Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
207 AM MDT Fri Jul 25 2025

MTZ312-252200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
207 AM MDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
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                      91          55          86          56          84
Temp          61 59 71 84 89 89 77 67 60 56 64 78 85 82 71 65 59 56 64 77 83 80
Dewpt         42 41 43 39 33 35 39 43 44 45 48 49 47 48 50 51 48 49 50 50 47 49
RH            49 51 36 20 14 15 25 42 55 66 56 36 27 31 47 60 67 77 60 39 28 34
Wind dir      SW SW SW SW  W  W  W SW  W  W  W NE  E SE  S  S SW  W  W  N NE  E
Wind spd       8  9 11 16 17 13  8  5  5  5  3  4  6 10  9  6  5  5  5  5  9 10
Clouds        CL CL CL CL FW FW FW FW SC FW FW FW SC B1 B1 SC FW SC FW SC SC B1
PoP 12hr                      0           5          10          20          20
QPF 12hr                      0           0        0.05        0.04        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S              S  S  S
Tstms                                                 S  S              S  S  S


Date               Mon 07/28/25  Tue 07/29/25  Wed 07/30/25  Thu 07/31/25
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            56    83      57    84      60    85      59    87
Temp          64   57 74 81 65   57 74 83 67   60 77 82 66   60 79 83
Dewpt         52   51 54 52 56   54 56 57 56   56 59 55 57   55 58 55
PWind dir          NE    NW      NE     N       E     E       E    SE
Wind char          GN    LT      LT    LT      GN    LT      GN    LT
Avg clouds    B1   SC SC SC B1   SC SC SC B1   B1 SC SC B1   SC SC SC
PoP 12hr           20    10      10    10      30    20      30    20
Rain shwrs     S                           C          S  C          S
Tstms          S                           C          S  C          S

$$
MTZ303-252200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
207 AM MDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
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                      85          50          80          50          75
Temp          56 54 66 78 83 84 73 60 54 50 57 70 77 79 68 59 53 50 58 69 74 73
Dewpt         46 43 46 43 40 42 48 50 50 48 50 50 47 46 49 50 49 48 50 50 51 50
RH            69 66 48 29 22 23 41 69 86 93 77 49 35 31 51 72 86 93 75 51 44 44
Wind dir      SW SW SW  W  W  W  W NW NW NW  N  S  S  W SW NW NW NW NW  N  N  N
Wind spd      10 10 12 18 19 18 12 10  8  5  5  8 10 12 10  9  9  8  8 10 10 10
Wind gust              29 32 29                   20
Clouds        FW CL CL CL FW FW FW FW FW SC SC FW FW SC SC SC SC SC SC FW SC SC
PoP 12hr                      0           0          10          10          10
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00


Date               Mon 07/28/25  Tue 07/29/25  Wed 07/30/25  Thu 07/31/25
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    75      52    77      55    79      56    80
Temp          57   51 66 73 58   52 68 76 61   55 71 77 63   56 72 79
Dewpt         51   51 55 53 55   52 57 56 56   55 58 56 57   55 58 56
PWind dir           N    NE      NE    NE       E     E       E     E
Wind char          GN    LT      LT    LT      LT    GN      GN    LT
Avg clouds    SC   B1 B1 SC SC   SC SC SC B1   B1 B1 SC B1   B1 B1 SC
PoP 12hr           10    10      10    20      20    20      30    20
Rain shwrs                              S  S          S  C          S
Tstms                                   S  S          S  C          S

$$
MTZ319-252200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
207 AM MDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
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                      91          56          88          55          85
Temp          63 58 65 81 89 88 78 69 62 57 63 80 86 81 72 66 60 56 62 78 84 82
Dewpt         38 40 41 41 38 39 42 44 43 43 45 46 46 47 47 47 45 45 47 47 45 45
RH            39 51 41 24 17 18 28 40 50 59 52 30 25 30 41 50 58 66 58 33 26 27
Wind dir      SW  W  E  E  W  W  S SW  W  W NW NE  N SW SW  S SW SW NW  N NW  N
Wind spd       5  4  3  8 11 12 10  5  4  2  1  3  8 10  8  5  3  2  1  4  6  9
Clouds        CL CL CL FW FW SC B1 B1 FW FW FW B1 B1 B1 B2 SC SC FW FW B1 B1 B1
PoP 12hr                     20          20          30          20          30
QPF 12hr                      0           0        0.09        0.02        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S  S              C  C  S  S              C  C  S
Tstms                      S  S  S              C  C  S  S              C  C  S


Date               Mon 07/28/25  Tue 07/29/25  Wed 07/30/25  Thu 07/31/25
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    86      58    86      58    88
Temp          66   56 76 83 68   57 77 85 68   58 78 84 68   58 80 83
Dewpt         50   48 51 46 51   51 54 52 54   53 56 51 53   52 56 51
PWind dir           W     N      NW     N       N    NE      SE     E
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC SC   SC SC SC B1   SC SC SC B1   SC SC B1
PoP 12hr           20    10      10    20      20    20      30    30
Rain shwrs     S                        S  S          S  C          C
Tstms          S                        S  S          S  C          C

$$
MTZ326-252200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
207 AM MDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
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                      91          52          89          51          87
Temp          56 53 65 80 88 86 72 64 56 52 64 81 87 83 70 62 55 51 63 79 85 81
Dewpt         40 41 40 39 36 40 46 47 45 44 43 45 43 44 46 48 45 44 44 46 46 45
RH            55 64 40 23 16 20 39 54 66 74 46 28 21 25 42 60 69 77 50 31 26 28
Wind dir       S  S  S NW  W SW  W SE  S  S SW  W  W NW  N SE SE SE  W NW SW  S
Wind spd       4  4  2  5 10 12  9  5  3  2  1  2  6 10  6  5  3  2  2  3  5  6
Clouds        FW FW CL FW FW SC B1 FW FW FW FW SC SC B1 B1 SC FW FW FW B1 B1 B1
PoP 12hr                     20          20          20          20          30
QPF 12hr                      0        0.02           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S  S              S  S  S  S              C  C  S
Tstms                      S  S  S              S  S  S  S              C  C  S


Date               Mon 07/28/25  Tue 07/29/25  Wed 07/30/25  Thu 07/31/25
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    88      53    88      54    87      54    89
Temp          61   51 76 85 64   53 77 86 66   55 78 82 65   54 80 82
Dewpt         50   48 49 46 52   51 53 52 55   53 56 52 54   52 54 52
PWind dir          SE    NE       E     E       E     E       E    NE
Wind char          LT    LT      LT    LT      GN    LT      GN    LT
Avg clouds    B1   SC FW FW SC   FW FW SC B1   SC SC SC B1   SC SC B1
PoP 12hr           20    10      10    20      30    30      30    30
Rain shwrs     S                        S  C          C  C          C
Tstms          S                        S  C          C  C          C

$$
MTZ330-252200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
207 AM MDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
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          38          80          39          81
Temp          47 41 57 76 80 78 66 53 44 38 55 77 80 78 66 54 44 39 54 77 80 79
Dewpt         36 35 37 35 28 32 37 38 35 32 31 26 24 24 29 33 33 32 33 33 28 29
RH            65 79 47 22 15 19 34 57 70 79 40 15 13 13 25 45 65 76 45 20 15 16
Wind dir      SE SE SW SW SW SW NW SE  E  N  S SW SW SW SW  E SE  N  S SW SW SW
Wind spd       2  1  3 13 14 13  5  2  1  0  2 10 13 13  6  2  1  0  2 10 13 12
Wind gust                 25                      24 24
Clouds        FW FW FW FW SC SC SC FW FW FW SC B1 SC B1 SC SC SC FW FW SC FW FW
PoP 12hr                     20           5           5           5          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S                                            S  S
Tstms                      S                                            S  S


Date               Mon 07/28/25  Tue 07/29/25  Wed 07/30/25  Thu 07/31/25
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            40    83      40    85      44    84      45    81
Temp          54   40 78 81 55   40 80 80 56   44 79 75 55   45 77 75
Dewpt         36   36 32 30 41   40 38 37 46   44 44 46 48   45 46 46
PWind dir          SE     S       N    NW      NE    SE       E     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW FW FW   FW FW SC SC   SC SC B1 B1   B1 SC B1
PoP 12hr            5     5       5    10      10    30      30    40
Rain shwrs                                            C  C          C
Tstms                                                 C  C          C

$$
MTZ328-252200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
207 AM MDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
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                      85          48          84          48          83
Temp          53 49 62 79 84 79 66 58 51 48 60 78 83 78 66 58 51 48 59 76 82 77
Dewpt         37 38 41 39 35 47 48 47 43 41 43 46 42 45 47 47 44 42 45 47 44 48
RH            54 66 46 24 17 32 52 67 74 77 53 32 24 31 50 67 77 80 60 36 26 36
Wind dir      SW  S SW SW  W  W SE  S  S  S SW NW SW NW NE  S  S  S SW NW  W  W
Wind spd       5  5  5  9 13 13  8  5  4  5  4  5 11 13  8  5  4  4  3  3  8 10
Clouds        FW FW CL CL SC B1 SC FW FW FW FW B1 B1 B1 B1 SC FW FW FW B1 B1 B1
PoP 12hr                     30          20          30          10          30
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S  S              C  C                    C  C
Tstms                      S  S  S              C  C                    C  C


Date               Mon 07/28/25  Tue 07/29/25  Wed 07/30/25  Thu 07/31/25
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      48    87      51    85      51    85
Temp          56   48 75 79 57   48 77 82 60   51 76 79 60   51 77 80
Dewpt         49   45 48 46 49   46 54 49 53   50 57 54 54   50 55 52
PWind dir           E    SW      NE    NE      NE    NE       E     E
Wind char          LT    LT      GN    LT      GN    LT      GN    LT
Avg clouds    B1   SC FW FW B1   FW FW FW SC   SC SC SC B1   SC SC B1
PoP 12hr           10    10       5    10      10    20      20    30
Rain shwrs                                            S  S          C
Tstms                                                 S  S          C

$$
MTZ305-252200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
207 AM MDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
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                      93          55          87          55          83
Temp          61 58 69 85 91 90 78 67 59 56 64 78 85 86 74 64 58 56 65 76 81 82
Dewpt         46 46 48 42 38 39 45 46 48 50 54 54 51 52 55 56 54 53 55 53 51 52
RH            58 64 47 22 16 17 31 47 67 80 70 43 31 31 51 75 86 90 70 45 35 35
Wind dir      SW SW SW  W  W  W  W SW  W  W  N  N  N  E SE  S SW  W  W NW NW  N
Wind spd       9 10 12 14 13 12  8  5  5  4  4  4  5  8  8  5  5  5  8 10 10 10
Wind gust                 24
Clouds        FW FW FW FW FW SC FW FW FW SC FW FW FW B1 B1 B1 SC SC FW FW FW SC
PoP 12hr                      0           0           5          30          10
QPF 12hr                      0           0           0        0.06           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            C  C
Tstms                                                 C  C


Date               Mon 07/28/25  Tue 07/29/25  Wed 07/30/25  Thu 07/31/25
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    82      54    83      57    85      58    87
Temp          64   56 75 79 63   55 77 82 66   58 79 82 67   59 81 85
Dewpt         54   53 56 57 58   54 57 57 57   54 58 56 58   55 60 57
PWind dir          NE     E       E     E       E     E       E     E
Wind char          GN    GN      LT    LT      GN    GN      GN    GN
Avg clouds    SC   B1 SC B1 B1   SC SC FW SC   B1 SC SC B1   B1 SC SC
PoP 12hr           20    30      20     5      20    20      20    10
Rain shwrs          S  S  C  S             S          S  S
Tstms               S  S  C  S             S          S  S

$$
MTZ314-252200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
207 AM MDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
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                      87          55          84          53          80
Temp          58 56 69 81 85 85 71 64 59 56 65 77 83 77 64 60 56 54 64 75 79 76
Dewpt         44 42 45 41 40 42 50 49 47 44 47 50 52 53 55 53 49 47 50 52 52 51
RH            59 59 42 24 20 22 47 58 64 64 52 39 34 43 73 78 77 77 60 45 39 42
Wind dir       S  S  W  W  W  W  S  S SW SW NW  N  E  E SW  S  S SW NW NW  N NE
Wind spd       5  5  4  6  9  6  5  5  4  3  2  3  4  6  5  5  4  3  4  6  6  5
Clouds        FW FW CL CL CL B1 B1 SC SC FW CL SC SC B1 B2 B1 B1 SC FW B1 B1 B1
PoP 12hr                     10          30          20          40          30
QPF 12hr                      0        0.06        0.11        0.11        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    C  C              S  S  C  C              C  C  C
Tstms                         C  C              S  S  C  C              C  C  C


Date               Mon 07/28/25  Tue 07/29/25  Wed 07/30/25  Thu 07/31/25
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    79      53    78      55    79      55    82
Temp          60   53 71 76 60   54 74 77 63   56 74 77 63   56 77 79
Dewpt         54   51 55 56 56   52 57 57 57   54 59 57 58   55 59 56
PWind dir           S     E      SE     E       E     E      SE    SE
Wind char          LT    LT      LT    LT      GN    GN      GN    LT
Avg clouds    B1   SC B1 SC B1   SC SC SC B1   B1 B1 B1 B1   B1 SC SC
PoP 12hr           30    20      20    30      40    30      40    20
Rain shwrs     C    S     S  S          C  C    S     C  C          S
Tstms          C    S     S  S          C  C    S     C  C          S

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