Point Forecast Matrices
Issued by NWS Glasgow, MT

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Point Forecast Matrices
National Weather Service Glasgow MT
330 PM MDT Tue Sep 15 2026

MTZ017-161000-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
330 PM MDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            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                      45          65          42          70          54
Temp             59 51 48 47 45 50 60 65 62 52 46 43 42 48 62 70 68 61 57 55 54
Dewpt            41 41 39 39 41 44 46 45 45 45 44 43 42 46 49 49 50 50 52 53 54
RH               51 68 71 74 86 80 60 48 54 77 93100100 93 62 47 52 67 83 93100
Wind dir          E  E  E  E  E NE  N  N NE  E  E  E  E SE SE SE  E  E  E  E  E
Wind spd          5 11 14 16 12 12 11 11  8  6  6  8  9 11 14 17 14 17 13 12 10
Wind gust                                                           27
Clouds           B1 B1 B1 B1 B1 SC FW SC SC SC FW SC B1 FW FW SC SC SC SC B1 B2
PoP 12hr                      0           5           0           0          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  C


Date           09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          75      54    69      51    71      48    74      50    73
Temp          69 69 57   55 66 66 54   51 66 68 53   49 69 72 55   50 68 71
Dewpt         60 59 57   55 57 55 53   51 55 53 50   48 53 50 48   48 51 50
PWind dir         E      NE    NE      NE    NE       E    SE      SE    SE
Wind char        LT      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B1 B2   B2 OV B2 B1   B1 B1 SC FW   FW SC FW FW   FW SC SC
PoP 12hr         40      80    60      50    20       5     0       0     0
Rain shwrs     C  C  L    D  L  L  C    S  S  S
Tstms                C    C  S  C       S

$$
MTZ020-161000-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
330 PM MDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            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                      42          67          40          72          52
Temp             60 50 45 43 43 49 61 66 63 50 45 42 41 46 64 71 70 59 56 54 52
Dewpt            40 42 41 40 42 43 47 46 47 46 45 42 41 45 50 50 52 52 54 54 52
RH               47 74 86 89 96 80 60 48 56 86100100100 96 60 47 53 78 93100100
Wind dir          E  E  E  E  E NE  N  N  N  E  E  E  E  E  E  E  E  E SE  E  E
Wind spd          4  9 10 12 12 11 11 12  8  4  3  4  4  6 12 13 13 13 10  8  6
Clouds           SC B1 SC B1 B1 SC FW FW FW FW FW SC B2 FW SC SC B1 B1 B1 B1 B2
PoP 12hr                      0           5           0           5          40
QPF 12hr                      0           0           0           0        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C


Date           09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          77      53    70      49    73      47    76      48    77
Temp          71 70 57   55 67 67 54   51 68 70 52   48 71 73 55   49 71 73
Dewpt         61 60 57   55 58 56 54   51 55 53 52   48 53 50 50   48 52 50
PWind dir        SE      NE    NE      NE    NE       E    SE      SE    SE
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 OV   OV OV B2 B2   B2 B1 B1 SC   FW SC FW FW   FW SC SC
PoP 12hr         50      90    70      50    30       5     5       0     5
Rain shwrs     C  C  D    D  L  L  C    C  C  S
Tstms             S  C    C  C  C

$$
MTZ022-161000-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
330 PM MDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            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                      42          67          43          75          54
Temp             63 52 48 46 42 49 60 65 64 52 46 44 43 50 64 73 75 64 58 55 54
Dewpt            39 40 40 39 40 42 45 45 44 45 46 44 43 47 49 51 53 54 55 55 54
RH               41 63 74 76 93 77 58 48 48 77100100100 89 58 46 46 70 90100100
Wind dir          E  E  E  E NE  N  N  N  N  E  E  E SE SE SE SE SE  E SE SE SE
Wind spd         10 11 11  9  5  8 12 12  8  4  3  3  4  6 12 13 12 11  6  3  2
Wind gust              23 19             19                   24    21
Clouds           FW SC SC B1 B1 FW CL FW FW FW FW SC B2 SC SC SC SC SC SC B1 B2
PoP 12hr                      0           0           0           0          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  C


Date           09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          76      53    69      50    71      47    75      49    74
Temp          71 70 56   55 66 66 53   50 67 69 52   47 71 73 55   49 70 72
Dewpt         59 58 56   55 55 54 53   50 52 50 50   47 49 47 47   45 48 46
PWind dir         S       N     N       N    NW       E     S      SE    SW
Wind char        LT      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B1 OV   B2 OV B2 B1   B1 B1 SC FW   FW SC FW FW   FW SC SC
PoP 12hr         40      80    60      40    20       5     5       0     0
Rain shwrs     C  C  D    D  L  L  C    S     S
Tstms                C    C  S  S

$$
MTZ024-161000-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
330 PM MDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            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                      43          71          41          72          54
Temp             61 51 46 43 43 53 68 70 64 51 47 43 41 48 66 71 68 60 58 55 54
Dewpt            43 43 42 41 42 46 52 53 53 49 47 43 41 47 52 54 55 54 55 55 54
RH               51 74 86 93 96 77 57 55 67 93100100100 96 61 55 63 81 90100100
Wind dir         NE NE NE NE NE SE NW  N  N  N NE NE  E  E SE SE SE SE SE SE SE
Wind spd          5  6  8  9  8  8  5 13 12  6  3  2  2  5 11 14 16 13 10  8  8
Wind gust                                24                   25    24
Clouds           CL FW SC B1 SC FW FW FW FW FW FW B2 OV B1 SC B1 B2 B2 B1 B2 B2
PoP 12hr                      0           5           0          10          50
QPF 12hr                      0           0           0           0        0.07
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        S  S  C  C  L
Tstms                                                                   S  S  C


Date           09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          77      55    70      51    72      48    75      49    77
Temp          72 69 59   56 68 66 56   52 69 67 53   48 71 72 56   49 73 72
Dewpt         63 62 59   56 61 59 56   52 58 56 53   48 55 54 51   49 54 53
PWind dir        SE       E     E       E    NE       E    SE      SE     S
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B2 B2 B2   OV OV B2 B2   B2 B2 B1 SC   SC SC FW FW   FW SC SC
PoP 12hr         60      80    70      60    40      10     5       0     0
Rain shwrs     L  L  D    D  L  L  L    C  C  C
Tstms          C  S  C    S  S  S  S

$$
MTZ025-161000-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
330 PM MDT Tue Sep 15 2026

Date           09/15/26      Wed 09/16/26            Thu 09/17/26            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                      45          72          43          73          56
Temp             63 52 48 46 45 55 70 70 66 54 47 45 43 50 68 72 71 62 60 58 56
Dewpt            42 41 42 41 42 47 53 52 51 49 47 45 43 49 54 55 57 55 56 58 56
RH               46 66 80 83 89 74 55 53 58 83100100100 96 61 55 61 78 87100100
Wind dir          E NE NE NE NE  E NW  N  N  N NE NE  E  E SE SE SE SE SE SE SE
Wind spd          6 10 10 10  9  5  5 13 12  9  6  5  4  6 11 14 14 12  9  8  6
Wind gust                                23
Clouds           CL FW FW FW FW FW FW CL FW FW FW B2 OV B1 B1 B1 B2 B2 B1 B2 B2
PoP 12hr                      0           0           0          20          40
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S        C  C  C
Tstms                                                                         S


Date           09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26  Tue 09/22/26
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          79      56    70      51    71      47    75      48    77
Temp          74 72 59   57 68 67 55   52 69 69 52   48 72 73 56   49 74 73
Dewpt         64 62 59   57 61 59 55   51 57 55 52   47 54 53 49   48 53 52
PWind dir        SE       E    NE      NE     N      NE    SE      SE     S
Wind char        GN      LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B1 OV   B2 OV B2 B2   B1 B2 B1 SC   SC SC FW FW   FW SC SC
PoP 12hr         50      80    80      60    40      10     5       0     0
Rain shwrs     C  C  D    D  D  D  L    C  C  C
Tstms          S  S  C    S  S  C  S

$$