Point Forecast Matrices
Issued by NWS Glasgow, MT

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Point Forecast Matrices
National Weather Service Glasgow MT
500 AM MDT Wed Sep 16 2026

MTZ017-162200-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
500 AM MDT Wed Sep 16 2026

Date             Wed 09/16/26            Thu 09/17/26            Fri 09/18/26
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                      66          40          71          52          75
Temp             45 50 60 65 62 52 46 42 42 48 61 70 69 61 58 55 53 59 70 75 73
Dewpt            39 42 45 44 45 44 44 41 42 45 46 47 49 49 51 52 52 56 60 59 59
RH               79 74 58 46 54 74 93 96100 89 58 44 49 65 77 90 96 90 71 58 62
Wind dir          E NE  N  N  N  E  E  E  E SE SE  E  E  E  E  E  E SE SE  E NE
Wind spd         12 11 11 11  9  6  6  8 10 12 17 17 16 18 14 12 10  9  6  6  8
Wind gust                                   24 27 27 26 28
Clouds           B1 B1 SC FW FW FW FW FW B1 SC SC SC B2 B1 SC B1 B1 B1 B1 B1 B2
PoP 12hr                      5           0           0          20          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  C  C  S  S  L
Tstms                                                                         C


Date               Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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    68      49    70      48    73      49    72
Temp          59   53 65 65 54   51 65 68 53   49 68 71 55   49 68 69
Dewpt         56   53 57 54 53   51 55 52 51   49 54 50 48   46 50 48
PWind dir          NE     E       E     E       E    SE      SE    NE
Wind char          GN    GN      GN    LT      LT    GN      GN    GN
Avg clouds    B2   OV OV B2 B2   B1 B2 B1 SC   SC SC FW FW   FW SC FW
PoP 12hr           70    60      50    30      10     0       5     5
Rain shwrs     L    L  L  L  C    C  S  C
Tstms          C    C  S  S  S          S

$$
MTZ020-162200-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
500 AM MDT Wed Sep 16 2026

Date             Wed 09/16/26            Thu 09/17/26            Fri 09/18/26
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                      67          37          72          51          78
Temp             42 48 62 66 62 50 45 41 39 46 63 71 70 60 57 54 52 59 72 77 74
Dewpt            38 40 46 45 45 45 45 41 39 42 46 47 49 51 53 53 52 57 61 60 60
RH               86 74 56 47 54 83100100100 86 54 42 47 72 86 96100 93 68 56 62
Wind dir         NE NE  N  N  N NE NE NE  E  E  E  E  E  E SE  E  E SE SE SE  E
Wind spd         11 11 10 11 10  5  3  3  4  9 14 16 14 13 10  8  6  6  6  6  9
Wind gust                                   19
Clouds           B1 SC SC FW FW FW FW FW B2 B1 SC B1 B2 B2 B1 B1 B2 B2 B1 B1 B2
PoP 12hr                     10           0           0          30          40
QPF 12hr                      0           0           0        0.02        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  C  C  L
Tstms                                                                         C


Date               Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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    70      47    71      46    76      47    75
Temp          59   53 66 67 54   51 67 68 53   49 70 73 54   48 71 71
Dewpt         58   53 58 55 54   51 56 53 53   49 53 50 49   47 50 48
PWind dir          NE     E       E     E       E    SE      SE     S
Wind char          GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2   OV OV B2 B2   B2 B2 B1 SC   SC SC SC FW   FW SC FW
PoP 12hr           80    70      50    40      10     0       5     5
Rain shwrs     L    D  L  L  C    C  C  C
Tstms          C    C  S  S  S       S  S

$$
MTZ022-162200-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
500 AM MDT Wed Sep 16 2026

Date             Wed 09/16/26            Thu 09/17/26            Fri 09/18/26
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                      67          41          75          53          76
Temp             42 49 61 65 64 52 45 43 41 49 65 73 73 63 59 56 54 60 73 76 74
Dewpt            39 41 44 43 44 46 45 43 41 44 48 50 51 53 55 55 54 55 58 57 57
RH               89 74 53 45 48 80100100100 83 54 44 46 70 87 96100 84 59 52 55
Wind dir         NE  N  N  N  N NE  E  E  E SE SE SE SE SE SE SE SE  S  S  N NE
Wind spd          4  5 12 12 10  4  3  3  5 10 13 14 12 11  8  4  2  2  4  6  9
Wind gust                                   20 24 25 23 23 18
Clouds           SC FW CL CL CL FW FW SC B2 B2 B2 B2 OV B1 SC B1 B1 B1 B1 SC B2
PoP 12hr                      5           0           0          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  D
Tstms                                                                         C


Date               Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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    68      48    70      47    75      48    73
Temp          58   53 65 66 53   50 66 68 52   48 70 72 54   48 70 71
Dewpt         57   53 56 54 53   50 53 51 51   48 50 46 47   44 46 45
PWind dir          NE     N      NW    NW       E     S      SE     W
Wind char          LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    OV   OV OV B2 B1   B1 B1 B1 SC   SC SC FW CL   FW SC FW
PoP 12hr           90    70      40    30      10     5       0     5
Rain shwrs     D    D  L  L  C    S  S  C
Tstms          C    C     S  S

$$
MTZ024-162200-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
500 AM MDT Wed Sep 16 2026

Date             Wed 09/16/26            Thu 09/17/26            Fri 09/18/26
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                      71          39          72          52          78
Temp             43 52 68 71 64 51 46 43 41 48 66 70 69 61 58 54 53 60 73 78 74
Dewpt            39 43 50 51 52 48 46 43 41 45 49 51 54 53 54 53 53 57 61 62 62
RH               86 71 52 49 65 89100100100 89 54 51 59 75 86 96100 90 66 58 66
Wind dir         NE SE  N  N  N  N  N  N  E  E SE SE SE SE SE SE SE SE SE SE  E
Wind spd          8  6  4 12 13  9  4  2  3  8 12 14 14 13 11  8  6  9 10  8  9
Wind gust                                   19 25 26 25 25
Clouds           B1 SC FW FW CL SC SC SC B1 B1 B2 B2 OV B2 B2 B1 B2 B2 B2 B1 B2
PoP 12hr                     10           0           0          50          50
QPF 12hr                      0           0           0        0.14        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  C  C  D
Tstms                                                          S              C


Date               Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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    70      49    70      47    75      47    76
Temp          60   53 68 66 56   51 68 67 53   49 71 71 55   48 72 71
Dewpt         59   53 59 58 55   51 58 57 53   49 55 53 50   48 53 52
PWind dir           E     E       E    SE      SE    SE      SE     S
Wind char          LT    GN      GN    LT      LT    LT      LT    GN
Avg clouds    B2   B2 OV B2 B2   B2 B2 B1 B1   SC SC SC SC   FW SC FW
PoP 12hr           80    70      60    40      20     5       5     5
Rain shwrs     D    D  L  L  L    C  C  C  S
Tstms          C    C                   S

$$
MTZ025-162200-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
500 AM MDT Wed Sep 16 2026

Date             Wed 09/16/26            Thu 09/17/26            Fri 09/18/26
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                      72          40          74          54          80
Temp             45 55 69 70 67 54 47 44 42 49 67 72 72 64 60 57 55 61 75 79 76
Dewpt            40 45 50 50 51 48 47 44 42 46 51 53 56 55 55 56 55 57 62 60 62
RH               82 69 51 49 56 80100100100 89 56 51 57 73 84 96100 87 64 52 62
Wind dir         NE  E NW  N  N  N NE NE  E  E  E SE SE SE SE SE SE SE SE SE  E
Wind spd          8  5  4 13 13 10  6  4  4  9 12 14 13 12  9  8  6  9 10  8  9
Wind gust                                      23
Clouds           SC CL CL CL CL FW FW B1 B2 B1 B2 B2 OV B2 B2 B1 B1 B1 B1 B1 B2
PoP 12hr                     10           0          10          20          20
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S        S  S  D
Tstms                                                                         C


Date               Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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            53    70      49    70      47    74      47    76
Temp          61   54 69 67 56   51 68 67 53   48 71 72 55   48 73 72
Dewpt         58   54 60 58 55   51 57 56 52   48 55 52 49   47 52 51
PWind dir           E     E       E     E       E    SE      SE     S
Wind char          GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2   OV B2 B2 B2   B2 B2 B2 B1   SC B1 SC FW   FW SC FW
PoP 12hr           80    70      70    50      20     5       0     5
Rain shwrs     D    D  L  L  L    C  C  C  S
Tstms          C    S        S          S

$$