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Point Forecast Matrices

National Weather Service Great Falls MT

258 PM MDT Thu Jun 26 2025



MTZ312-271000-

Great Falls-Cascade MT

47.47N 111.38W Elev. 3663 ft

258 PM MDT Thu Jun 26 2025



Date           06/26/25      Fri 06/27/25            Sat 06/28/25            Sun

MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12



Min/Max                      55          81          51          79          50

Temp          79 75 66 61 57 56 63 73 79 79 70 60 56 52 62 72 77 78 69 60 54 51

Dewpt         43 46 49 50 46 46 48 45 44 42 42 41 41 39 39 40 39 37 39 40 40 39

RH            28 36 54 67 67 69 58 37 29 27 36 49 57 61 43 31 25 23 33 47 59 63

Wind dir      SW SW  S SW SW SW SW  W  W  W  W  W SW SW  W  W  W  W NW  W SW SW

Wind spd      10 10  8  6  6  8 10 13 16 16 12 11 11 11 13 13 14 13  9  5  5  5

Wind gust                             26                                       

Clouds        B1 B1 B1 B1 B2 B2 SC B1 B1 B1 FW FW CL FW FW FW SC SC SC SC FW FW

PoP 12hr                     30          30           5           5           0

QPF 12hr                   0.04        0.01           0           0           0

Snow 12hr                 00-00       00-00       00-00                        

Rain shwrs     C  C                 S  S                                       

Tstms          C  C                 S                                          





Date           06/29/25  Mon 06/30/25  Tue 07/01/25  Wed 07/02/25  Thu 07/03/25

MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00



Max/Min          81      52    89      57    90      59    86      57    84

Temp          72 80 62   53 78 88 68   57 82 84 67   59 79 81 65   58 77 81

Dewpt         39 35 40   40 42 41 45   44 47 45 50   49 51 48 52   50 51 47

PWind dir         W       E    SE       E    NW       S    NW      SW    NW

Wind char        LT      GN    LT      GN    LT      GN    LT      GN    LT

Avg clouds    FW FW CL   CL CL CL FW   FW FW SC B1   SC SC B1 B1   SC SC SC

PoP 12hr          0       0     0       0    10      20    30      20    20

Rain shwrs                                       S          C  S          S

Tstms                                            S          S  S           



$$

MTZ303-271000-

Cut Bank-Glacier MT

48.60N 112.39W Elev. 3838 ft

258 PM MDT Thu Jun 26 2025



Date           06/26/25      Fri 06/27/25            Sat 06/28/25            Sun

MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12



Min/Max                      54          73          49          73          47

Temp          75 74 68 60 57 55 62 69 71 71 65 56 52 50 60 69 72 72 66 56 50 47

Dewpt         42 41 43 43 41 41 43 44 45 43 41 42 41 39 40 41 40 40 41 42 41 40

RH            31 30 40 53 55 59 50 40 39 36 41 59 66 66 47 36 31 31 40 59 71 76

Wind dir       W  W  W  W  W SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W

Wind spd      18 18 13 10 11 12 18 21 24 24 20 16 13 10 14 18 19 18 12  9  8  8

Wind gust     28                   34 36 35 32             28 29 29            

Clouds        SC SC B1 B2 B2 B2 FW SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW

PoP 12hr                     10           5           0           5           0

QPF 12hr                      0           0           0           0           0

Snow 12hr                 00-00       00-00       00-00                        

Rain shwrs     S                                                               

Tstms          S                                                               





Date           06/29/25  Mon 06/30/25  Tue 07/01/25  Wed 07/02/25  Thu 07/03/25

MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00



Max/Min          78      49    83      53    85      56    83      54    81

Temp          70 77 59   50 76 83 63   54 79 84 66   56 76 78 62   54 73 80

Dewpt         39 37 41   40 41 39 44   43 43 42 49   50 50 47 50   48 48 47

PWind dir        NW       S    SE       E     N       N     N       W     N

Wind char        LT      LT    LT      GN    LT      GN    GN      GN    GN

Avg clouds    FW FW FW   CL FW CL FW   FW FW SC SC   B1 SC SC B1   SC SC SC

PoP 12hr          0       0     0       0     5      10    20      20    20

Rain shwrs                                                  S  S          S

Tstms                                                       S  S           



$$

MTZ319-271000-

Helena-Lewis & Clark MT

46.61N 111.96W Elev. 3893 ft

258 PM MDT Thu Jun 26 2025



Date           06/26/25      Fri 06/27/25            Sat 06/28/25            Sun

MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12



Min/Max                      54          81          53          79          51

Temp          77 74 68 61 57 54 61 72 79 79 72 62 57 53 61 71 77 79 71 61 56 52

Dewpt         41 46 48 48 46 43 47 48 47 46 41 42 41 39 41 42 40 39 38 40 39 38

RH            28 37 49 62 67 66 60 42 32 31 33 48 55 59 48 35 26 24 30 46 53 59

Wind dir       N NW  S  W  W SW NE  N  W  W  W  W  W  W  W  W  W NW NW  W  W SW

Wind spd       8  8  5  3  2  2  2  6 13 14 10  5  4  3  6 11 14 14 10  5  2  1

Wind gust                                                  21 26 25            

Clouds        SC B1 B1 B2 B1 B2 SC B1 B1 B1 SC SC FW FW FW SC SC FW SC FW FW CL

PoP 12hr                     30          40           5           0           0

QPF 12hr                   0.03        0.03           0           0           0

Snow 12hr                 00-00       00-00       00-00                        

Rain shwrs     S  C                 C  C                                       

Tstms          S  C                 C  S                                       





Date           06/29/25  Mon 06/30/25  Tue 07/01/25  Wed 07/02/25  Thu 07/03/25

MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00



Max/Min          83      53    89      58    89      59    86      57    84

Temp          72 82 64   54 78 88 69   58 81 84 68   59 78 82 66   57 77 81

Dewpt         39 33 39   39 44 39 45   44 48 43 47   46 49 46 50   47 49 45

PWind dir        NW       W     E      NW    NE       W    NW       W    NW

Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT

Avg clouds    CL FW CL   CL FW FW FW   FW FW SC B1   SC SC B1 B1   SC SC SC

PoP 12hr          0       0     0       0    20      20    30      20    30

Rain shwrs                                    S  S          C  S          C

Tstms                                            S          C  S           



$$

MTZ326-271000-

Bozeman-Gallatin MT

45.78N 111.16W Elev. 4475 ft

258 PM MDT Thu Jun 26 2025



Date           06/26/25      Fri 06/27/25            Sat 06/28/25            Sun

MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12



Min/Max                      50          85          49          82          48

Temp          82 77 67 59 53 50 62 77 83 79 70 62 54 50 61 74 80 81 69 60 52 48

Dewpt         37 43 46 46 46 43 45 43 40 42 47 47 45 43 43 44 42 43 42 42 42 40

RH            20 30 47 62 77 77 54 30 22 27 44 58 71 77 51 34 26 26 37 51 69 74

Wind dir       W NW  W SW  S  S SW  W  W NW NW NW NW SW  W  W  W NW  N  N SE SE

Wind spd      10 10  5  2  2  2  3  6 12 11  6  3  2  2  3  5 10 11  8  3  2  2

Wind gust                             23                                       

Clouds        B2 B2 B1 B1 B1 SC FW B1 B1 B2 SC B1 B1 SC FW FW FW SC SC SC FW CL

PoP 12hr                     20          30          10          10           0

QPF 12hr                      0        0.01           0           0           0

Snow 12hr                 00-00       00-00       00-00                        

Rain shwrs     C  S                                                            

Tstms          C  S                                                            





Date           06/29/25  Mon 06/30/25  Tue 07/01/25  Wed 07/02/25  Thu 07/03/25

MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00



Max/Min          84      49    89      54    91      54    88      53    85

Temp          74 82 62   49 81 87 67   54 83 85 65   55 80 81 63   53 78 80

Dewpt         41 38 43   41 46 42 47   45 48 44 49   48 49 49 50   48 50 48

PWind dir        NW       E    NE       E    NE       E     W       E     W

Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT

Avg clouds    CL FW FW   CL FW FW FW   FW FW SC B1   B1 SC B1 B1   SC SC B1

PoP 12hr          0       0     5       5    10      20    30      30    30

Rain shwrs                                       S          C  C          C

Tstms                                            S          C  C           



$$

MTZ330-271000-

West Yellowstone-Gallatin MT

44.69N 111.11W Elev. 6644 ft

258 PM MDT Thu Jun 26 2025



Date           06/26/25      Fri 06/27/25            Sat 06/28/25            Sun

MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12



Min/Max                      39          75          40          74          38

Temp          73 73 63 53 43 39 54 71 75 73 65 54 45 40 53 70 74 72 64 53 43 38

Dewpt         30 31 35 36 36 34 39 39 37 37 40 39 39 37 39 40 38 38 41 42 40 37

RH            20 21 35 52 76 82 57 31 25 27 40 57 79 89 59 33 27 29 43 66 89 96

Wind dir      SW SW SW  S SW SW SW SW SW SW SW SW  S  N SW SW SW SW  W  N NE  N

Wind spd      13 13  8  2  2  1  3 12 14 13  9  2  1  0  2 10 12 10  3  2  1  0

Wind gust     26 25                23 28 27 19                23               

Clouds        SC SC FW SC SC SC SC SC SC B1 SC FW FW SC FW SC SC SC SC SC FW FW

PoP 12hr                      5          20           5          20          10

QPF 12hr                      0           0           0           0           0

Snow 12hr                 00-00       00-00       00-00                        

Rain shwrs                             S                    S  S               





Date           06/29/25  Mon 06/30/25  Tue 07/01/25  Wed 07/02/25  Thu 07/03/25

MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00



Max/Min          76      37    82      40    82      43    78      41    77

Temp          69 75 52   38 75 79 56   41 78 79 56   43 73 74 54   42 72 72

Dewpt         38 34 39   37 38 32 42   39 39 36 46   42 44 41 47   42 44 41

PWind dir         W       N    SE      NE     S       N    SW      NE    SW

Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT

Avg clouds    FW FW FW   FW FW FW FW   FW SC SC B1   B1 B1 B1 B1   SC SC B1

PoP 12hr          0       0     5       5    20      20    30      20    30

Rain shwrs                                    S  S          C  S          C

Tstms                                            S          C  S           



$$

MTZ328-271000-

Dillon-Beaverhead MT

45.26N 112.55W Elev. 5357 ft

258 PM MDT Thu Jun 26 2025



Date           06/26/25      Fri 06/27/25            Sat 06/28/25            Sun

MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12



Min/Max                      49          81          47          81          45

Temp          77 75 65 57 52 49 60 75 79 79 68 58 52 48 58 72 78 80 68 57 50 45

Dewpt         35 42 46 45 44 41 44 41 39 42 43 44 42 41 43 42 37 40 41 40 38 36

RH            22 31 50 64 74 74 55 29 24 27 40 59 69 77 57 34 23 24 37 53 63 70

Wind dir       S  W NE  S  S  S SW SW SW  W NW NW  W SW  W  W  W  W  N  N  W SW

Wind spd      13 12  8  5  5  5  6 14 18 16 11  8  5  5  4  8 12 12 10  9  5  4

Wind gust     24                      29                                       

Clouds        B2 B1 B1 B1 B2 B1 FW B1 B1 SC B1 B1 B1 SC FW FW FW FW FW FW CL CL

PoP 12hr                     10          20           5           5           0

QPF 12hr                      0           0           0           0           0

Snow 12hr                 00-00       00-00       00-00                        

Rain shwrs     C                       S                                       

Tstms          C                                                               





Date           06/29/25  Mon 06/30/25  Tue 07/01/25  Wed 07/02/25  Thu 07/03/25

MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00



Max/Min          81      48    87      53    87      53    83      51    81

Temp          70 80 59   48 76 86 63   53 80 81 62   53 77 76 60   52 74 78

Dewpt         40 39 40   38 43 40 45   42 47 48 49   45 49 53 51   47 49 48

PWind dir         W      NE     W       E    SW       E     W       W     W

Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT

Avg clouds    CL FW CL   FW CL FW SC   SC SC SC B1   B1 SC B1 B1   SC FW SC

PoP 12hr          0       0     5       5    20      20    30      20    20

Rain shwrs                                    S  S          C  S          S

Tstms                                            S          C  S           



$$

MTZ305-271000-

Havre-Hill MT

48.54N 109.76W Elev. 2585 ft

258 PM MDT Thu Jun 26 2025



Date           06/26/25      Fri 06/27/25            Sat 06/28/25            Sun

MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12



Min/Max                      56          83          54          80          50

Temp          82 80 70 62 58 57 65 76 80 80 71 62 57 54 64 74 79 77 69 59 55 51

Dewpt         44 47 53 52 50 50 48 45 45 45 46 46 44 44 44 45 45 45 47 48 46 45

RH            26 31 55 70 75 77 54 33 29 29 41 56 62 69 48 35 30 32 45 67 72 80

Wind dir       W  W  S SW SW SW SW  W  W  W  W  W  W SW  W  W  W NW NW  W  W SW

Wind spd      10 11  8  5  6  9 13 16 17 16 13 11 12 12 14 16 17 13  8  2  3  4

Clouds        SC B1 B1 B1 B1 B2 SC SC SC SC FW FW FW FW FW SC SC SC SC FW FW SC

PoP 12hr                     20          10           0          10           5

QPF 12hr                   0.01           0           0           0           0

Snow 12hr                 00-00       00-00       00-00                        

Rain shwrs        S                                                            

Tstms             S                                                            





Date           06/29/25  Mon 06/30/25  Tue 07/01/25  Wed 07/02/25  Thu 07/03/25

MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00



Max/Min          81      51    87      56    90      58    87      57    86

Temp          74 80 61   52 79 86 66   57 82 89 67   59 80 84 65   58 77 84

Dewpt         46 44 47   44 46 43 46   45 49 48 52   51 55 50 54   53 53 52

PWind dir         W       E     E       E     E      SE    NW       E    NW

Wind char        LT      LT    LT      GN    GN      LT    LT      LT    LT

Avg clouds    FW FW FW   CL FW CL FW   FW FW SC SC   B1 SC SC B1   SC SC SC

PoP 12hr          0       0     0       0     5      10    20      20    10

Rain shwrs                                                  S  S    S      

Tstms                                                       S  S    S      



$$

MTZ314-271000-

Lewistown-Fergus MT

47.05N 109.46W Elev. 4144 ft

258 PM MDT Thu Jun 26 2025



Date           06/26/25      Fri 06/27/25            Sat 06/28/25            Sun

MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06

UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12



Min/Max                      51          75          51          75          48

Temp          78 73 62 57 54 54 64 71 75 72 65 59 54 52 61 69 73 74 64 56 51 49

Dewpt         47 49 52 51 47 47 49 49 53 51 51 49 45 43 42 43 43 44 44 44 40 39

RH            33 43 70 80 77 77 58 46 46 48 60 69 71 71 49 39 34 34 48 64 66 68

Wind dir      NW SW SW  S SW SW  W NW  W  W SW SW  W  W  W  W NW NW NW SW SW SW

Wind spd       5  6  5  3  3  3  5  5  6  6  5  5  5  5 10 12 12 10  5  4  3  3

Wind gust     16                                              23               

Clouds        B1 B2 B1 B1 B2 B1 SC SC B1 B1 B1 SC SC SC FW FW SC SC FW FW FW FW

PoP 12hr                     50          40          20           5           5

QPF 12hr                   0.06        0.06           0           0           0

Snow 12hr                 00-00       00-00       00-00                        

Rain shwrs     S  C                    C  S  S                                 

Tstms          S  C                       S  S                                 





Date           06/29/25  Mon 06/30/25  Tue 07/01/25  Wed 07/02/25  Thu 07/03/25

MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18

UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00



Max/Min          76      50    83      56    85      56    81      55    79

Temp          70 75 57   51 76 82 64   57 81 81 62   57 76 80 62   56 74 75

Dewpt         43 41 43   40 44 44 45   44 49 48 51   49 51 52 53   51 54 52

PWind dir        NW       E    SE      SE     E      SE    NW      SW    NW

Wind char        LT      LT    LT      GN    LT      LT    LT      LT    LT

Avg clouds    FW FW FW   FW FW FW FW   FW FW SC B1   B1 B1 B1 B2   B1 SC B1

PoP 12hr          0       0     0       5    10      20    40      30    30

Rain shwrs                                       S          C  C    S     C

Tstms                                            S          C  C           



$$

http://www.weather.gov/greatfalls



