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
650
FOUS55 KTFX 282135
PFMTFX

Point Forecast Matrices
National Weather Service Great Falls MT
335 PM MDT Tue Jul 28 2026

MTZ312-291000-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
335 PM MDT Tue Jul 28 2026

Date           07/28/26      Wed 07/29/26            Thu 07/30/26            Fri
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                      59          93          59          95          59
Temp             94 83 72 64 60 70 83 91 93 82 71 64 60 70 86 93 93 81 71 65 60
Dewpt            36 38 41 41 41 40 40 40 42 45 45 46 45 45 44 40 40 45 47 47 46
RH               13 20 33 43 49 33 22 17 17 27 39 52 58 41 23 16 16 28 42 52 60
Wind dir          W  W  W  W SW NW NE  E NE  E SW SW SW SW  N  W  W NE  S SW SW
Wind spd         12  8  4  4  3  2  4  8 10  9  5  5  5  4  2  4  8  9  6  9  6
Clouds           CL CL FW CL CL CL CL CL FW SC FW FW FW FW CL FW B1 B1 B1 B1 FW
PoP 12hr                      0           0           5          10          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C
Tstms                                                                   S
Obvis             K  K  K  K  K  K  K  K  K  K  K  K  K


Date           07/31/26  Sat 08/01/26  Sun 08/02/26  Mon 08/03/26  Tue 08/04/26
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          97      60   101      60    87      50    77      49    83
Temp          88 97 73   62 94100 74   62 81 84 61   50 67 74 58   49 72 83
Dewpt         42 36 41   41 39 36 41   40 31 26 31   35 33 33 37   38 35 35
PWind dir        SW      NW    SW       W     W       W    NW       E    NW
Wind char        LT      LT    GN      GN    BZ      BZ    LT      GN    LT
Avg clouds    FW CL CL   CL CL CL FW   FW CL CL FW   FW FW CL FW   FW FW FW
PoP 12hr          0       0     0       5     0       0     0       0     0

$$
MTZ303-291000-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
335 PM MDT Tue Jul 28 2026

Date           07/28/26      Wed 07/29/26            Thu 07/30/26            Fri
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          89          54          90          55
Temp             89 76 66 60 55 65 80 87 87 75 64 59 55 65 82 88 88 75 65 60 56
Dewpt            36 39 41 40 39 39 38 38 37 41 42 40 40 40 40 39 38 41 42 41 39
RH               15 26 40 47 55 38 22 18 17 29 45 49 57 40 22 18 17 29 43 49 53
Wind dir          W  W  W  W NW NW  W SW  W NW  W  W NW NW  W SW  W  W  W  W  W
Wind spd         20  8 10 11  8  5  5 10 12  5  4  5  6  5  5 11 14  8  6  9  9
Wind gust        31                16 21 24                   23 25
Clouds           CL CL CL FW FW CL CL FW FW FW CL FW FW CL CL FW FW FW FW FW FW
PoP 12hr                      0           0           0           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis             K  K  K  K  K  K  K  K  K  K  K  K  K


Date           07/31/26  Sat 08/01/26  Sun 08/02/26  Mon 08/03/26  Tue 08/04/26
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          92      56    96      54    77      43    73      44    78
Temp          84 92 67   58 90 92 66   57 72 74 54   44 62 71 52   44 68 78
Dewpt         35 31 38   37 36 36 39   37 29 25 33   38 36 32 37   37 37 33
PWind dir         W       W    SW       W     W       W     N       E     E
Wind char        GN      GN    GN      WY    WY      WY    GN      LT    LT
Avg clouds    FW CL CL   CL FW FW FW   CL FW CL CL   FW SC FW FW   FW SC FW
PoP 12hr          0       0     0       0     0       5     5       0     0

$$
MTZ319-291000-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
335 PM MDT Tue Jul 28 2026

Date           07/28/26      Wed 07/29/26            Thu 07/30/26            Fri
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                      59          93          59          93          59
Temp             93 81 71 63 59 67 82 91 91 79 70 62 59 67 83 91 91 80 71 63 59
Dewpt            40 42 42 40 40 41 43 43 42 46 47 46 46 46 48 44 42 46 48 47 46
RH               16 25 35 43 49 39 25 19 18 31 44 56 62 47 30 20 18 30 44 56 62
Wind dir         NW NW  W  W  W  N  N NE NW  W  W  W  W  N  E SW SW SW  W  W SW
Wind spd          8  5  6  5  4  0  0  4  8  6  5  3  1  0  3  8  8  6  6  6  4
Wind gust                             14                      18
Clouds           CL CL FW FW CL FW FW FW SC SC FW FW FW CL FW FW FW SC SC SC FW
PoP 12hr                      0          10          10          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S
Obvis             K  K  K  K  K  K  K  K  K  K  K  K  K


Date           07/31/26  Sat 08/01/26  Sun 08/02/26  Mon 08/03/26  Tue 08/04/26
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          96      60    99      58    86      47    79      46    85
Temp          83 96 73   60 88 98 73   58 78 83 60   48 66 77 57   46 70 84
Dewpt         47 39 43   42 46 39 42   41 40 34 30   31 31 29 35   36 37 35
PWind dir         W      NW    SE       W     W       W    NW      NW    NE
Wind char        LT      LT    LT      GN    GN      GN    LT      LT    LT
Avg clouds    FW CL CL   CL CL CL FW   FW FW CL CL   FW CL CL CL   FW CL CL
PoP 12hr          0       0     0       0     0       0     0       0     0

$$
MTZ326-291000-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
335 PM MDT Tue Jul 28 2026

Date           07/28/26      Wed 07/29/26            Thu 07/30/26            Fri
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                      57          92          56          93          56
Temp             93 79 69 61 57 68 80 88 88 76 68 60 57 67 81 91 91 78 68 61 57
Dewpt            45 45 46 46 45 46 46 44 43 46 50 49 48 47 48 42 39 43 46 46 46
RH               19 30 44 58 64 45 30 22 21 34 52 67 72 49 32 18 16 29 45 58 67
Wind dir         SE SE  S  S  S  N NW  E  S SE SE SE  S  N  W NW  W SE  E SE SE
Wind spd          6  5  4  4  3  0  3  5  8  5  5  4  3  0  2  5  6  5  5  4  3
Clouds           FW FW FW FW FW SC SC SC B2 B2 B1 SC FW FW FW FW SC SC SC SC FW
PoP 12hr                     20          20          20          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S                    S  S                       S  S
Tstms                                  S  S
Obvis                   K  K  K  K  K  K  K  K


Date           07/31/26  Sat 08/01/26  Sun 08/02/26  Mon 08/03/26  Tue 08/04/26
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          97      58   100      56    91      48    80      46    85
Temp          82 97 72   59 87 98 72   57 80 89 62   48 67 79 58   46 70 84
Dewpt         46 38 43   44 41 32 39   41 40 35 33   33 30 29 35   37 36 31
PWind dir         W       E    SW       S     W      NW    NW      NE     N
Wind char        LT      LT    LT      GN    LT      BZ    LT      GN    LT
Avg clouds    FW CL CL   FW CL CL FW   SC FW CL FW   FW CL CL CL   FW FW CL
PoP 12hr          0       0     0       0     0       5     0       0     0

$$
MTZ330-291000-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
335 PM MDT Tue Jul 28 2026

Date           07/28/26      Wed 07/29/26            Thu 07/30/26            Fri
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                      48          84          46          86          47
Temp             85 72 61 53 48 61 81 81 77 67 57 50 46 58 79 85 84 71 59 52 47
Dewpt            35 41 43 42 41 43 42 45 44 52 49 46 44 45 42 32 31 40 41 39 38
RH               17 33 51 66 77 51 25 28 31 59 75 86 93 62 27 15 15 32 51 61 71
Wind dir         SW  S  N  N  N  N  W SE SE  N  N  N  N  N SW SW  W  N  N  N  N
Wind spd         11  3  0  0  0  0  5  8  3  0  0  0  0  0  4  9  8  0  0  0  0
Clouds           FW SC FW FW FW SC B1 B1 B2 B2 SC FW SC FW FW FW SC SC FW FW FW
PoP 12hr                     20          40          30          10           0
QPF 12hr                      0           0        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          C  S  C  S
Tstms                               C  S  S


Date           07/31/26  Sat 08/01/26  Sun 08/02/26  Mon 08/03/26  Tue 08/04/26
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          90      48    92      49    88      41    81      40    85
Temp          82 90 63   49 85 91 63   49 82 86 57   42 72 79 53   40 75 83
Dewpt         36 26 37   34 29 15 30   31 28 18 32   32 23 13 33   32 24 13
PWind dir         W       W    SW       S     W       W    SW       N    SW
Wind char        LT      LT    LT      GN    GN      BZ    LT      LT    LT
Avg clouds    FW CL FW   FW FW CL FW   FW FW CL FW   FW FW CL CL   FW FW CL
PoP 12hr          0       0     0       0     0       0     0       0     0

$$
MTZ328-291000-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
335 PM MDT Tue Jul 28 2026

Date           07/28/26      Wed 07/29/26            Thu 07/30/26            Fri
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          87          53          89          54
Temp             88 76 66 59 55 64 77 85 84 73 63 57 54 64 79 87 87 74 65 58 55
Dewpt            39 41 42 41 41 43 44 44 44 49 49 47 46 48 47 40 41 45 46 43 43
RH               18 28 42 51 59 46 31 24 25 43 60 69 74 56 32 19 20 35 50 57 64
Wind dir         SW  S  S  S  S SW  N  S SE SE  S  S  S SW  W SW SW SE  S  S  S
Wind spd         11  6  6  5  5  3  2  4  8  6  6  5  5  3  2  5  8  6  6  5  4
Wind gust        21
Clouds           FW FW FW FW FW SC FW SC B1 B2 SC SC FW FW FW FW SC SC SC FW FW
PoP 12hr                     10          20          10          20           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S                    S  S
Tstms                                  S                    S  S
Obvis             K  K  K  K  K  K  K  K  K  K  K


Date           07/31/26  Sat 08/01/26  Sun 08/02/26  Mon 08/03/26  Tue 08/04/26
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          93      55    95      53    88      46    79      45    83
Temp          79 93 68   56 84 93 66   54 79 86 59   46 65 78 55   46 68 82
Dewpt         45 37 42   41 41 28 36   40 40 28 32   33 30 27 32   33 34 28
PWind dir        SW       S    SW      SW    SW      NW    NW      NE    NW
Wind char        LT      LT    LT      BZ    GN      BZ    LT      LT    LT
Avg clouds    FW CL FW   FW CL CL FW   FW FW CL FW   FW CL CL FW   FW FW CL
PoP 12hr          0       0     0       0     0       0     0       0     0

$$
MTZ305-291000-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
335 PM MDT Tue Jul 28 2026

Date           07/28/26      Wed 07/29/26            Thu 07/30/26            Fri
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                      59          95          59          98          59
Temp             97 82 70 64 60 70 84 92 94 81 70 65 60 70 86 95 96 82 70 65 60
Dewpt            43 45 45 44 44 42 42 42 41 44 46 47 48 48 50 46 44 48 49 49 49
RH               16 27 41 48 55 36 23 18 16 27 42 52 64 45 29 19 17 31 47 56 67
Wind dir         SW SE SE  W  W  W NW NW  N  E  E  E  E  W  W NW NW  E SE  S SW
Wind spd          8  3  4  4  3  5  6  5  4  6  8  8  5  4  4  5  6  9 10  8  6
Clouds           CL FW CL FW FW CL CL FW FW SC FW FW FW FW FW CL FW FW SC SC SC
PoP 12hr                      0           0           0          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S
Obvis             K  K  K  K  K  K     K  K  K  K  K  K


Date           07/31/26  Sat 08/01/26  Sun 08/02/26  Mon 08/03/26  Tue 08/04/26
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          99      59   104      61    88      49    77      48    85
Temp          88 99 71   61 93101 73   63 82 85 60   50 66 75 56   49 74 83
Dewpt         46 38 43   43 45 37 43   40 31 27 34   41 40 35 40   41 40 37
PWind dir         W      SE    SW      SW     W       W    NW      NE     E
Wind char        GN      LT    LT      GN    BZ      BZ    GN      LT    LT
Avg clouds    FW CL CL   CL FW CL FW   FW FW CL FW   SC FW FW FW   FW FW FW
PoP 12hr          0       0     0       5     0      10    10       5     0

$$
MTZ314-291000-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
335 PM MDT Tue Jul 28 2026

Date           07/28/26      Wed 07/29/26            Thu 07/30/26            Fri
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                      57          90          56          91          57
Temp             91 77 68 63 58 69 81 88 87 74 67 62 58 71 84 88 87 74 67 63 58
Dewpt            46 51 49 46 43 41 43 44 46 49 49 46 45 48 47 47 47 50 49 47 45
RH               21 40 51 54 57 36 26 22 24 41 52 56 62 44 28 24 25 43 52 56 62
Wind dir         SE  E SE  S SW  W NW  N  E  S  S  S  S  W NW NW NE SE  S  S  S
Wind spd          4  5  4  3  3  5  4  4  5  6  5  4  3  2  3  4  4  8  9  6  4
Wind gust        14
Clouds           FW FW FW FW FW FW FW SC SC B1 SC SC SC FW SC SC SC SC B1 B1 SC
PoP 12hr                     20           5          20          20          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S                       S                 S  S  S  S  C  C
Tstms                                     S                    S  S        S
Obvis             K  K  K  K  K  K  K  K  K  K  K


Date           07/31/26  Sat 08/01/26  Sun 08/02/26  Mon 08/03/26  Tue 08/04/26
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          93      60    98      58    87      49    73      47    79
Temp          84 93 69   63 92 97 72   60 80 84 61   51 64 71 55   47 70 78
Dewpt         45 42 43   43 42 36 41   39 37 33 32   33 34 33 36   37 37 36
PWind dir         W      SE     S      SW    NW      NW    NW       E     E
Wind char        LT      LT    LT      GN    GN      GN    GN      GN    LT
Avg clouds    SC CL CL   CL FW CL FW   SC FW CL SC   B1 SC FW FW   FW FW FW
PoP 12hr          5       0     0       5     0      30     5       0     0
Rain shwrs                                       S    C

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