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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
210 AM MDT Sun Aug 3 2025

MTZ312-032200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
210 AM MDT Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                      84          56          85          55          81
Temp          57 55 65 76 82 82 73 64 58 56 63 77 84 78 66 60 57 55 61 72 79 80
Dewpt         52 50 50 46 44 42 44 46 44 41 44 47 43 51 54 53 52 51 51 48 45 46
RH            83 83 58 34 26 24 35 52 59 57 50 35 24 39 65 78 83 86 70 42 30 30
Wind dir      SW SW  W  W  W NW NE  E  W SW  W  N NE  N SW SW SW SW  W  W  W  W
Wind spd       9  9 10 10 10  9  5  5  4  4  3  5  9 12  9  9  9 10 10 11 12 11
Clouds        FW FW SC FW FW SC FW FW SC SC B1 SC SC B2 B2 B1 B1 SC SC FW FW SC
PoP 12hr                      5           5          20          60          20
QPF 12hr                      0           0        0.05        0.34        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  S  S  L  L  C  C  S  S  S  S
Tstms                                     S  S  S  S  C  C


Date               Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    85      56    80      53    73      51    71
Temp          62   55 78 83 65   57 73 75 60   54 67 69 56   51 64 70
Dewpt         43   42 43 42 45   45 48 49 47   47 47 46 46   45 47 47
PWind dir          SW    SW       W     W      SW     W       W     W
Wind char          LT    GN      LT    LT      GN    GN      GN    GN
Avg clouds    SC   FW SC SC B1   B1 B2 B2 B1   B1 B1 B1 B2   B1 B1 B1
PoP 12hr            0     0       5    20      30    30      30    20
Rain shwrs                              S  C    S  S  C  C    S  S  S
Tstms                                   S  S          S

$$
MTZ303-032200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
210 AM MDT Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                      78          51          78          53          76
Temp          55 54 63 71 76 76 67 59 54 51 62 73 76 72 64 58 55 53 59 68 74 75
Dewpt         50 50 51 52 49 48 53 53 50 49 49 49 48 50 53 53 52 51 51 51 48 47
RH            83 86 65 51 39 37 61 80 86 93 62 43 37 46 67 83 90 93 75 54 40 37
Wind dir       W  W NW NW NW NW  N  W  W  W SW SW  W  N NW  W  W NW  W  W  W  W
Wind spd       9  8  9 11 12 11  6  3  3  3  3  6 10 12  8  6  6  8 10 13 14 14
Wind gust                                                                 25 25
Clouds        FW FW SC SC SC SC SC FW FW SC SC SC B1 B1 B2 B2 B2 B1 SC SC SC FW
PoP 12hr                     20           5          20          50          20
QPF 12hr                   0.01           0        0.06        0.19        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S        S  S              S  S  S  S  C  C  C  C  S  S  S  S
Tstms          S        S  S              S  S  S  S  C  C  S  S        S  S


Date               Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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            51    78      54    72      49    67      47    68
Temp          58   51 73 77 61   54 68 69 55   49 63 65 53   48 62 67
Dewpt         44   40 43 43 47   46 48 47 48   45 47 46 48   45 48 48
PWind dir           W     W       W     W       W     W      NW    NW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW   SC SC SC B1   B2 B2 B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr            0     0      10    30      30    50      30    20
Rain shwrs                           S  C  C    C  C  C  C    S  S  S
Tstms                                   S  S          S             S

$$
MTZ319-032200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
210 AM MDT Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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          85          54          83
Temp          60 56 63 77 84 86 76 68 63 58 63 77 83 76 66 63 58 54 60 73 80 82
Dewpt         47 47 47 43 39 36 40 41 43 43 45 43 44 48 50 50 48 48 47 44 41 40
RH            62 72 56 30 20 17 27 37 48 57 52 30 25 37 56 62 69 80 62 35 25 22
Wind dir      SW SW NW  W  W NW  W  W  W SW  E NE  N  W NW  W SW SW  W  W  W  W
Wind spd       6  5  3  8 10 10  5  4  2  2  1  5  8 12  8  5  5  5  5 10 13 12
Wind gust                 20                      18
Clouds        FW CL FW FW CL FW SC SC SC SC SC B1 B1 B2 B2 SC SC FW FW FW FW SC
PoP 12hr                      0          20          40          60          10
QPF 12hr                      0        0.01        0.14        0.13           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S  S  S  C  C  L  L  S  S
Tstms                               S  S  S  S  C  C  C  C


Date               Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    86      57    81      54    74      51    74
Temp          66   55 77 85 69   57 75 77 64   54 67 72 59   51 66 74
Dewpt         40   40 42 42 44   44 46 45 46   45 45 44 43   44 44 41
PWind dir           W     W       W     W       W     W       W     W
Wind char          LT    LT      LT    LT      GN    GN      GN    LT
Avg clouds    SC   FW FW SC B1   B1 B1 B1 B1   B1 SC B1 B1   B1 B1 SC
PoP 12hr            0     0       5    20      40    40      20    20
Rain shwrs                              S  C    C  S  C  S          S
Tstms                                   S  C          S  S          S

$$
MTZ326-032200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
210 AM MDT Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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          51          87          48          84
Temp          55 51 61 75 83 84 72 64 57 52 63 79 85 80 67 60 53 49 59 72 81 83
Dewpt         48 46 47 46 43 41 39 45 45 44 45 47 47 47 48 49 47 45 46 43 38 37
RH            77 83 60 36 24 22 30 50 64 74 52 32 27 31 50 67 80 86 62 35 21 19
Wind dir       S  S  S  W NW NW  E SE SE SE SW NW SE  E NW  W SW  S  W  W  W  W
Wind spd       3  4  2  5  5  6  5  5  5  4  2  3  6 11  8  5  4  4  4  8 11 11
Wind gust                                                                 21 21
Clouds        FW FW CL FW FW SC B1 SC SC SC FW B1 B2 B1 B1 FW FW FW FW FW FW SC
PoP 12hr                      5          20          20          40           5
QPF 12hr                      0        0.02        0.02        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                       S  S  S  S  S  S  S  C  C  S  S
Tstms                            S  S  S  S  S  S  S  C  C


Date               Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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            50    89      52    86      49    77      47    75
Temp          63   50 77 88 66   52 78 80 62   50 67 75 57   47 66 74
Dewpt         40   39 40 41 45   43 45 42 47   44 45 47 45   43 43 42
PWind dir           E    SW      SE     W       W     W      SW    NW
Wind char          LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    SC   FW SC SC B1   SC B1 B2 B2   B1 B1 B1 B1   SC B1 SC
PoP 12hr            0     5       5    10      30    40      30    20
Rain shwrs                                 C    C  S  C  C          S
Tstms                                      S          S  S

$$
MTZ330-032200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
210 AM MDT Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                      77          39          80          37          75
Temp          44 40 52 70 75 75 62 51 44 39 54 76 80 76 63 53 42 37 51 69 75 73
Dewpt         43 39 42 39 33 34 38 40 38 37 38 36 30 31 33 40 38 37 39 37 32 31
RH            96 96 69 32 21 22 41 66 79 92 54 23 16 19 32 61 86100 63 31 21 21
Wind dir      NE  N  N SW SW SW NW SE  N  N SE  S SW SW SW  W  W SW SW SW SW SW
Wind spd       1  0  0  5  9  9  2  2  1  1  1 10 16 16 10  4  2  2  3 11 13 13
Wind gust                                            26                   24
Clouds        SC FW FW FW SC SC SC SC B1 SC SC B1 B1 B1 B1 SC FW FW FW FW FW SC
PoP 12hr                     30          30          20          30           5
QPF 12hr                   0.01        0.01        0.01        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C  S        S  S        C  C
Tstms                      C  C  S        S  S        S  S
Obvis          F  F


Date               Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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            38    81      41    79      41    71      36    70
Temp          52   38 76 79 56   41 74 75 55   41 65 65 48   36 65 68
Dewpt         33   31 36 30 34   33 36 32 39   39 39 37 40   36 38 32
PWind dir           S     S       S    SW      SW    SW      NW     W
Wind char          LT    LT      LT    GN      GN    GN      LT    LT
Avg clouds    SC   SC FW FW SC   SC SC B1 B1   B1 B1 B1 B2   B1 B1 SC
PoP 12hr            0     5       5     5      20    30      30    20
Rain shwrs                                      S  S  C  C          S
Tstms                                                 S  S          S

$$
MTZ328-032200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
210 AM MDT Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                      81          48          81          44          80
Temp          51 46 57 72 79 79 66 58 52 48 58 74 80 74 62 54 47 44 55 69 77 79
Dewpt         46 43 45 44 41 41 47 46 44 44 46 44 41 47 48 48 44 42 45 44 40 38
RH            83 89 64 37 26 26 50 64 74 86 64 34 25 38 60 80 89 93 69 40 26 23
Wind dir       S  S SW SW SW  W SE  S  S  S SW  N SW NW NW SW SW SW SW SW  W  W
Wind spd       5  5  3  3  5  6  5  5  5  5  2  4 10 12  9  5  5  5  5  5 10 10
Clouds        FW FW CL FW FW B1 SC SC B1 SC SC B1 B2 B1 B1 FW FW FW CL FW SC SC
PoP 12hr                     20          20          30          40           5
QPF 12hr                   0.01        0.02        0.02        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  S  S  S  S  S  C  C  C  C
Tstms                         S  S  S  S  S  S  C  C  C  C


Date               Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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            48    85      51    81      47    73      44    71
Temp          59   48 77 83 61   51 75 77 57   47 65 68 53   44 63 70
Dewpt         39   37 41 40 42   41 43 41 45   42 45 45 43   40 44 43
PWind dir          SW    SW      SW    SW       W    SW      NW     W
Wind char          LT    LT      GN    GN      GN    LT      GN    LT
Avg clouds    SC   FW SC SC B1   B1 B1 B1 B1   B1 SC B1 B1   SC SC SC
PoP 12hr            0     5       5    10      20    30      10    20
Rain shwrs                                 S    S  S  C             S
Tstms                                      S          S

$$
MTZ305-032200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
210 AM MDT Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                      84          57          87          57          80
Temp          61 59 65 76 81 82 71 64 59 57 67 81 85 81 70 63 59 58 62 71 77 78
Dewpt         58 57 57 59 57 57 56 56 53 52 54 54 52 52 58 59 57 55 57 57 56 56
RH            90 93 75 56 44 43 59 75 80 83 63 39 32 37 66 87 93 90 84 61 48 47
Wind dir      SW SW  W  W  W  W  N  S SW  S  E  E SE  E SW SW  S SW  W  W  W  W
Wind spd       8  8  9 11 11 10  5  3  2  2  2  8 10 12  9  6  5  6  8 10 12 11
Clouds        SC FW SC SC SC SC FW FW FW FW FW SC SC B2 B2 B2 B2 B1 B1 B1 B1 FW
PoP 12hr                     20          20          20          70          40
QPF 12hr                   0.01        0.01        0.02        0.22        0.16
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     S        S  S  S           S  S  S  S  L  L  L  L  C  C  C  C
Tstms          S        S  S  S           S  S  S  S  C  C  S  S  S  S  S  S
Heat index                81 82                81    81
Max heat                     82    80          81    83                      80


Date               Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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    86      57    82      54    75      51    74
Temp          62   56 79 84 64   57 76 78 61   55 69 73 56   52 67 71
Dewpt         53   48 50 46 50   50 54 52 53   51 51 52 51   49 52 50
PWind dir          SW    SW       E    SW       W     W       W     W
Wind char          LT    GN      LT    GN      GN    GN      GN    GN
Avg clouds    SC   FW FW SC SC   B1 B1 B2 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr            5     0       5    20      30    40      30    20
Rain shwrs                              S  C    C  C  C  C    C  S  S
Tstms                                   S  S

$$
MTZ314-032200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
210 AM MDT Sun Aug 3 2025

Date             Sun 08/03/25            Mon 08/04/25            Tue 08/05/25
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                      80          54          84          51          76
Temp          56 54 64 74 78 78 67 61 57 55 66 79 83 78 63 58 54 52 59 69 74 75
Dewpt         53 52 51 48 46 46 50 49 48 45 50 49 47 52 55 54 52 49 50 48 47 47
RH            90 93 63 40 32 32 54 65 72 69 56 35 28 40 75 86 93 89 72 47 38 37
Wind dir      SW SW  W  W NW NW  S SE SE SE SE SE  E  S SW  W  W SW  W  W NW NW
Wind spd       5  5  5 10 10  6  5  5  4  4  2  8 10 11  8  5  4  5  6 10 11 10
Wind gust                                                                 21
Clouds        FW FW FW FW FW FW FW FW SC SC SC SC SC B2 B2 B1 B1 FW SC SC SC FW
PoP 12hr                      5           5          20          70          20
QPF 12hr                      0           0        0.03        0.30        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  S  S  L  L  C  C  S  S  S  S
Tstms                                     S  S  S  S  C  C              S  S


Date               Wed 08/06/25  Thu 08/07/25  Fri 08/08/25  Sat 08/09/25
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            52    82      54    79      50    70      47    66
Temp          58   53 78 80 61   55 74 73 58   51 64 66 53   48 60 65
Dewpt         46   41 46 46 48   46 51 52 51   47 50 48 48   44 47 47
PWind dir          SW     W       E     W       W     W       W     W
Wind char          LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC   SC FW FW SC   B1 B1 B1 B1   B1 B1 B1 B1   B2 B1 B1
PoP 12hr            5     5      10    20      50    50      40    30
Rain shwrs                              S  C    C  S  C  C    C  S  C
Tstms                                   S  S          S  S          S

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