Point Forecast Matrices
Issued by NWS Glasgow, MT

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FOUS55 KGGW 201000
PFMGGW

Point Forecast Matrices
National Weather Service Glasgow MT
400 AM MDT Sun Sep 20 2026

MTZ017-202200-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
400 AM MDT Sun Sep 20 2026

Date             Sun 09/20/26            Mon 09/21/26            Tue 09/22/26
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                      62          47          71          50          77
Temp             53 53 57 60 60 54 52 51 49 53 63 69 69 60 57 52 50 55 69 76 75
Dewpt            53 53 54 53 53 51 51 50 49 51 53 52 53 51 52 49 49 51 55 53 53
RH              100100 90 78 78 90 96 96100 93 70 55 57 72 83 89 96 86 61 45 46
Wind dir          E  E  E  E SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd         13 13 13 12 11 11  9  9 10 11 13 13 12 13 13 12 12 12 13 13  9
Wind gust                                         24
Clouds           OV OV B2 B2 B1 SC SC B1 B2 SC SC SC SC FW FW FW FW SC CL CL FW
PoP 12hr                     70           5           0           0           0
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  S


Date               Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
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            52    79      52    79      54    83      54    72
Temp          59   52 71 77 59   54 73 76 60   55 76 79 63   55 67 67
Dewpt         52   51 56 52 50   47 49 48 46   47 52 50 49   47 46 42
PWind dir          SE    SE      SE    NW       E    SE      SE    NW
Wind char          GN    GN      LT    LT      GN    BZ      GN    GN
Avg clouds    FW   SC B1 SC SC   SC SC FW FW   SC FW FW FW   SC SC SC
PoP 12hr            0     0       0     0       5     0       5     5

$$
MTZ020-202200-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
400 AM MDT Sun Sep 20 2026

Date             Sun 09/20/26            Mon 09/21/26            Tue 09/22/26
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                      62          44          72          47          78
Temp             51 53 56 60 59 53 50 48 47 53 64 71 70 59 54 50 48 55 70 77 75
Dewpt            51 53 53 54 53 52 50 48 47 50 53 53 53 51 51 49 48 51 55 54 53
RH              100100 90 81 80 96100100100 89 67 53 55 75 90 96100 86 59 45 46
Wind dir          E  E  E  E  E  E  E  E  E SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd         12 11 12 11 10  8  4  4  4  6 12 12 11 11 10  9  8  9 12 13 11
Clouds           OV OV B2 OV B1 SC SC SC B1 SC SC SC SC FW FW FW FW FW CL FW CL
PoP 12hr                     80           5           5           0           0
QPF 12hr                   0.03           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  C  C  S


Date               Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
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            50    81      51    83      52    86      54    76
Temp          58   51 73 77 58   52 76 78 59   54 78 81 63   55 70 70
Dewpt         54   51 59 54 52   49 51 49 48   48 53 51 51   48 47 44
PWind dir          SE    SE      SE     W       E    SE      SE     W
Wind char          GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW   FW SC SC SC   SC SC FW FW   FW FW FW FW   SC SC FW
PoP 12hr            0     5       5     0       0     0       5     5

$$
MTZ022-202200-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
400 AM MDT Sun Sep 20 2026

Date             Sun 09/20/26            Mon 09/21/26            Tue 09/22/26
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                      63          46          70          48          77
Temp             54 55 59 61 60 54 51 50 48 53 63 68 68 58 54 50 48 55 71 77 75
Dewpt            54 55 55 56 56 53 51 50 48 51 53 53 54 52 52 49 48 51 54 51 52
RH              100100 87 84 87 96100100100 93 70 59 61 80 93 96100 86 55 40 45
Wind dir         NE NE  E  E  E  E SE SE SE SE  S SE SE SE SE SE SE  S  S  S SE
Wind spd          6  8  9  9  9  6  4  3  4  9 11 11 10 10 11  8  6  8 10  9  6
Wind gust                                               20 21
Clouds           OV OV OV OV B2 B1 B1 B1 B2 B1 B1 SC SC FW FW FW FW FW CL CL FW
PoP 12hr                     90           5           5           0           0
QPF 12hr                   0.11           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  L  C  C
Flood             A  A  A  A


Date               Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
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            50    79      51    81      53    83      52    72
Temp          57   50 74 77 58   53 75 78 60   55 77 80 61   54 69 68
Dewpt         52   49 53 51 50   46 47 47 46   45 49 48 48   44 43 41
PWind dir          SE     S       S    NW      SE     S       S    NW
Wind char          LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW   SC B1 SC FW   FW SC FW FW   FW SC FW FW   SC SC SC
PoP 12hr            0     5       0     0       0     0       5     5

$$
MTZ024-202200-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
400 AM MDT Sun Sep 20 2026

Date             Sun 09/20/26            Mon 09/21/26            Tue 09/22/26
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                      62          46          72          48          75
Temp             51 52 56 60 58 52 51 50 48 53 65 70 68 57 53 50 48 54 68 75 71
Dewpt            51 52 54 56 56 52 51 50 48 51 55 55 55 52 51 50 48 51 56 57 57
RH              100100 93 87 93100100100100 93 70 59 63 83 93100100 90 65 54 61
Wind dir          E  E  E  E  E  E  E  E SE SE SE SE SE SE SE SE SE  S  S SE SE
Wind spd         12 10 11 11  9  5  3  3  3  6 11 12 11 11 11  9 10 13 17 18 17
Wind gust                                   17 21                   24 28 29 28
Clouds           OV OV OV OV B2 B1 B1 B1 B1 SC SC SC FW FW FW FW FW SC FW FW FW
PoP 12hr                     90          10           5           0           0
QPF 12hr                   0.06           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  L  C  S


Date               Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
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            51    79      51    83      53    84      56    78
Temp          57   51 71 74 59   53 76 78 60   54 77 79 65   57 72 72
Dewpt         54   51 60 60 56   52 56 54 50   50 56 55 54   51 52 49
PWind dir          SE    SE       S    SW       E    SE      SE    SW
Wind char          GN    GN      LT    LT      LT    GN      BZ    GN
Avg clouds    FW   FW B1 B1 SC   SC SC FW FW   FW SC FW FW   SC SC FW
PoP 12hr            0    30      10     0       0     0       5     5
Rain shwrs             C  C
Tstms                  S  C

$$
MTZ025-202200-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
400 AM MDT Sun Sep 20 2026

Date             Sun 09/20/26            Mon 09/21/26            Tue 09/22/26
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                      61          48          70          48          76
Temp             53 54 57 59 59 54 52 51 50 53 64 69 68 58 53 50 49 54 69 76 74
Dewpt            53 54 57 56 57 54 52 51 50 52 56 56 56 53 51 50 49 52 58 56 57
RH              100100100 90 93100100100100 96 75 63 65 83 93100100 93 68 50 55
Wind dir          E  E  E  E  E  E  E  E  E SE SE SE SE SE SE SE SE  S  S SE SE
Wind spd         12 11 11 11 10  8  5  4  4  8 12 12 11 12 11 10  9 11 14 14 14
Clouds           OV OV OV OV OV B2 B1 B1 B1 FW SC SC FW FW FW FW FW FW FW FW FW
PoP 12hr                     90          20           5           0           0
QPF 12hr                   0.25           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        D  D  L  C  S
Flood             A  A  A  A


Date               Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
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            52    79      52    83      54    85      56    78
Temp          57   52 71 77 58   53 76 80 61   55 78 81 65   57 72 73
Dewpt         54   52 60 58 54   51 55 53 49   49 55 54 52   49 50 48
PWind dir          SE    SE       S    SW      SE     S      SE    SW
Wind char          GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW   FW B1 SC SC   SC SC FW FW   FW FW FW FW   FW SC FW
PoP 12hr            5    30      10     0       0     0       5     0
Rain shwrs             S  C
Tstms                     S

$$