Point Forecast Matrices
Issued by NWS Great Falls, MT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10
003
FOUS55 KTFX 250935
PFMTFX

Point Forecast Matrices
National Weather Service Great Falls MT
335 AM MDT Sat Jul 25 2026

MTZ312-252200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
335 AM MDT Sat Jul 25 2026

Date             Sat 07/25/26            Sun 07/26/26            Mon 07/27/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                     102          62          97          60          95
Temp             66 76 92101 98 87 74 66 62 72 86 95 95 83 72 65 60 71 85 93 93
Dewpt            48 49 52 47 44 45 43 43 45 44 43 40 38 43 43 43 42 41 38 37 37
RH               52 39 26 16 16 23 33 43 54 37 22 15 14 24 35 45 51 34 19 14 14
Wind dir         SW  S  S SW  W SW SW SW SW SW  S  W  W  N  N  W SW SW  E NW  W
Wind spd          3  2  3 13 16 11  5  4  3  3  4  8 10  8  6  3  3  2  4  6 10
Wind gust                 25                   14 18                      18
Clouds           CL FW FW CL SC SC FW CL CL CL CL FW CL FW FW FW FW CL CL CL CL
PoP 12hr                     10          20           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S
Obvis             K  K
Extreme Heat      W  W  W  W  W  W
Heat                                Y  Y  Y  Y  Y  Y  Y


Date               Tue 07/28/26  Wed 07/29/26  Thu 07/30/26  Fri 07/31/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            60    96      61    97      60    97      61    99
Temp          71   60 85 94 72   62 89 95 72   61 89 95 73   62 90 97
Dewpt         41   41 38 36 43   43 40 37 43   44 41 38 45   46 44 40
PWind dir          NW    SW      SE     W      NW     W      NE     W
Wind char          GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL   CL CL CL CL   CL CL CL FW   FW CL CL FW   FW CL CL
PoP 12hr            0     0       0     0       0     0       5     5

$$
MTZ303-252200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
335 AM MDT Sat Jul 25 2026

Date             Sat 07/25/26            Sun 07/26/26            Mon 07/27/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      97          59          89          55          89
Temp             60 72 88 96 94 81 69 63 60 70 81 87 87 76 65 59 56 68 81 87 87
Dewpt            39 41 42 39 35 37 38 36 38 39 38 34 35 39 39 38 36 35 36 35 35
RH               46 33 20 14 13 21 32 36 44 32 21 15 16 26 38 45 47 29 20 16 16
Wind dir          W SW SE SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd          4  1 13 16 24 17 13 11 10 14 19 20 19 11  9  8  8  9 13 19 21
Wind gust                 28 37 27          28 33 34 32                25 32 32
Clouds           FW CL CL FW CL CL CL FW FW CL CL FW CL FW CL FW FW CL CL FW CL
PoP 12hr                      5           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                   K  K  K  K  K  K
Heat              Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date               Tue 07/28/26  Wed 07/29/26  Thu 07/30/26  Fri 07/31/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            55    92      57    90      55    91      57    93
Temp          64   55 83 90 67   59 83 89 65   57 83 89 66   58 86 91
Dewpt         38   38 38 35 40   40 39 36 41   40 43 39 43   43 42 38
PWind dir           W    SW       W     W       W    NW       W    NW
Wind char          GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    CL   CL CL CL CL   CL FW CL CL   FW FW CL CL   FW FW CL
PoP 12hr            0     0       0     0       5     0       0     5

$$
MTZ319-252200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
335 AM MDT Sat Jul 25 2026

Date             Sat 07/25/26            Sun 07/26/26            Mon 07/27/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      99          60          94          60          93
Temp             63 70 87 96 95 84 74 65 60 67 82 92 93 82 73 65 60 67 82 91 91
Dewpt            47 49 54 50 48 48 45 43 41 43 45 44 43 46 46 44 43 43 44 43 40
RH               56 47 32 21 20 29 35 45 49 42 27 19 18 28 38 46 53 42 26 19 17
Wind dir          W NE NE  W SE SE  W  W  W  N NE  N NW NW  W  W  W  N  N NW NW
Wind spd          3  2  8 12 10  9  8  6  2  0  2  8  9  5  8  8  3  0  2  6 11
Wind gust                 24 20                13 18                      17
Clouds           FW FW CL B1 B1 SC FW FW FW FW CL FW FW FW FW FW CL CL CL FW FW
PoP 12hr                     40          30           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C
Tstms                      S  S
Obvis             K  K                 K
Heat              Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date               Tue 07/28/26  Wed 07/29/26  Thu 07/30/26  Fri 07/31/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            60    94      61    95      60    96      61    97
Temp          71   60 82 92 72   61 86 93 72   61 86 94 73   61 87 95
Dewpt         42   41 43 38 42   42 44 39 43   42 45 39 43   43 46 38
PWind dir          NW     N      NW    NW       W     N       W     E
Wind char          GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   CL CL CL FW   FW FW CL FW   FW CL CL FW   FW CL CL
PoP 12hr            0     0       0     0       5     0       5     0

$$
MTZ326-252200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
335 AM MDT Sat Jul 25 2026

Date             Sat 07/25/26            Sun 07/26/26            Mon 07/27/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      97          60          95          59          95
Temp             62 73 87 93 93 81 72 64 60 70 84 92 92 80 71 63 59 69 81 92 93
Dewpt            48 51 53 51 52 52 53 51 49 51 51 49 48 50 51 51 49 49 47 42 40
RH               60 46 31 24 25 37 51 63 67 51 32 23 22 35 49 65 69 49 30 18 16
Wind dir         SE  E  W SW SE SE SE  S  S NW  W  S  S SE SE  S  S  N  W  W SW
Wind spd          5  3  6 14 13 10  5  4  1  1  4  8  9  6  5  2  2  0  4  6  8
Wind gust                 25                   14 18
Clouds           SC SC SC B1 B1 B1 SC FW FW SC B1 B1 B1 SC SC FW FW FW SC FW FW
PoP 12hr                     60          40          40          10           5
QPF 12hr                   0.01        0.01        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C                 C  C
Tstms                      C  C                    S
Heat index                                              80
Max heat               85    92    88          82    91    87          80    91
Heat              Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date               Tue 07/28/26  Wed 07/29/26  Thu 07/30/26  Fri 07/31/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            57    95      59    96      58    97      59    99
Temp          69   57 81 94 71   60 84 94 70   59 86 95 71   60 87 97
Dewpt         47   45 45 38 45   46 45 39 46   46 45 38 45   45 44 36
PWind dir          SE     W      SE    SW      SE     S      SE     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   FW CL CL FW   FW FW FW FW   SC FW CL FW   FW FW FW
PoP 12hr           10     0       5     0       5     5       5     5

$$
MTZ330-252200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
335 AM MDT Sat Jul 25 2026

Date             Sat 07/25/26            Sun 07/26/26            Mon 07/27/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      86          57          87          58          87
Temp             59 68 83 85 84 75 66 61 57 67 84 87 85 76 67 61 58 67 84 87 85
Dewpt            54 54 57 56 58 60 56 55 53 53 50 46 45 51 51 50 50 50 44 37 35
RH               83 61 41 37 41 60 70 81 86 61 31 24 25 42 56 67 75 54 25 17 17
Wind dir          N  N SW SW SW  S  N  N  N SW SW SW SW  S  N  N  N  N SW SW SW
Wind spd          0  0 12 13 11  2  0  0  0  2 11 12  9  3  0  0  0  0  8 13 11
Wind gust                 24 21             13 23 24 20                   24 21
Clouds           B2 B2 SC SC SC SC SC SC B1 SC SC SC B1 SC SC SC SC SC SC SC FW
PoP 12hr                     20          20          20           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S  S              S
Tstms                      S  S                 S
Heat index                   84
Max heat               82    85    83          82    85    83          82    84


Date               Tue 07/28/26  Wed 07/29/26  Thu 07/30/26  Fri 07/31/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            49    88      49    89      48    91      49    92
Temp          62   49 83 86 62   50 83 86 61   49 84 88 62   50 85 90
Dewpt         43   39 37 31 43   41 41 31 43   40 37 29 41   39 35 26
PWind dir          SW    SW       S    SW      SW    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW FW FW   SC FW FW FW   SC FW CL FW   FW FW FW
PoP 12hr            0     5       5     5       5     5       5     0

$$
MTZ328-252200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
335 AM MDT Sat Jul 25 2026

Date             Sat 07/25/26            Sun 07/26/26            Mon 07/27/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      93          56          92          56          91
Temp             60 69 85 90 90 78 67 62 58 66 82 90 90 77 67 60 56 64 79 89 89
Dewpt            48 53 56 54 53 49 48 48 47 49 50 47 47 47 44 42 41 43 46 41 39
RH               64 57 37 30 28 36 50 60 67 54 33 23 23 35 43 51 57 46 31 19 17
Wind dir          S SW SW SW SW  S  S  S SW SW SW  S SW  S  S  S  S SW  W SW  W
Wind spd          6  4  9 18 17 12 10  5  4  3  5 16 14  9  9  4  4  3  3  8 13
Wind gust                 29 27                18 27 26                      24
Clouds           FW FW FW B1 B1 SC FW FW SC FW SC SC SC SC SC FW FW FW FW FW FW
PoP 12hr                     40          30          10           5           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C
Tstms                      C  S
Heat              Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date               Tue 07/28/26  Wed 07/29/26  Thu 07/30/26  Fri 07/31/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            55    91      56    92      55    94      56    95
Temp          65   55 79 89 66   57 82 90 66   56 83 91 67   57 84 93
Dewpt         41   41 43 37 43   42 44 36 43   43 45 35 40   41 43 35
PWind dir          SW    SW       S    SW      SW    SW       S    SW
Wind char          GN    LT      GN    LT      GN    LT      LT    LT
Avg clouds    FW   CL CL FW FW   FW FW CL FW   FW CL CL FW   FW FW CL
PoP 12hr            0     0       5     0       5     0       5     0

$$
MTZ305-252200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
335 AM MDT Sat Jul 25 2026

Date             Sat 07/25/26            Sun 07/26/26            Mon 07/27/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                     105          64          98          60          98
Temp             65 76 93102102 87 75 68 64 75 88 96 97 83 70 64 60 72 88 96 96
Dewpt            41 41 42 44 44 49 46 41 42 41 39 39 38 44 43 41 41 39 38 37 35
RH               41 28 17 14 14 27 36 37 45 29 18 14 13 25 38 43 49 30 17 13 12
Wind dir         SW  N  E  S SW SW SW SW SW  W  W  W  W NW NE SW  W  W  W  W  W
Wind spd          5  0  5 10 12 11 10  8 10 13 16 12  9  5  3  3  4  5  6 10 10
Wind gust                                         24
Clouds           FW CL FW CL FW B1 FW FW FW CL CL CL FW FW FW FW FW CL CL CL FW
PoP 12hr                      5          30           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis             K  K     K           K
Extreme Heat      W  W  W  W  W  W
Heat                                Y  Y  Y  Y  Y  Y  Y


Date               Tue 07/28/26  Wed 07/29/26  Thu 07/30/26  Fri 07/31/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            60    99      62   100      60   100      61   102
Temp          70   60 88 96 72   63 91 97 70   62 91 97 71   62 93 99
Dewpt         42   41 43 41 46   47 44 40 44   46 46 42 48   49 50 43
PWind dir          NW    SW      SE     W      NE     W      NE     E
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   FW FW CL FW   CL FW CL FW   FW FW CL FW   FW FW CL
PoP 12hr            0     5       0     0       5     5       5     5

$$
MTZ314-252200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
335 AM MDT Sat Jul 25 2026

Date             Sat 07/25/26            Sun 07/26/26            Mon 07/27/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      98          61          94          58          92
Temp             62 77 92 94 90 78 72 65 62 72 84 92 92 77 70 63 59 70 83 90 90
Dewpt            43 49 51 51 53 55 53 48 44 41 42 44 45 49 49 47 43 40 40 41 41
RH               50 37 25 23 28 45 51 54 52 33 23 19 20 37 47 56 55 33 22 18 18
Wind dir          S  E  S SW SW  S  S SW SW NW  N  W  W  S  S  W SW NW  N  N NE
Wind spd          3  2  5 10  8  9  6  4  1  2  3  5  5  6  5  3  3  3  4  5  6
Wind gust                                         16                      16 17
Clouds           FW FW FW B1 B1 B1 FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC
PoP 12hr                     50          30           0          10           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C  S
Tstms                      C  S
Obvis             K  K
Extreme Heat      W  W  W  W  W  W  W  W  W  W  W  W  W


Date               Tue 07/28/26  Wed 07/29/26  Thu 07/30/26  Fri 07/31/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            58    93      59    93      58    95      59    96
Temp          68   59 83 91 69   61 87 91 69   60 87 93 69   61 89 93
Dewpt         43   42 45 43 47   46 44 43 46   45 46 45 48   48 48 45
PWind dir          SE     W      SE    NW      SE    NW      SE     E
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW CL FW   FW FW FW FW   FW FW CL FW   FW FW CL
PoP 12hr            5     5       5     5      10    10      10    10

$$
http://www.weather.gov/greatfalls