Point Forecast Matrices
Issued by NWS Glasgow, MT

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Point Forecast Matrices
National Weather Service Glasgow MT
100 AM MDT Fri Aug 21 2026

MTZ017-221000-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
100 AM MDT Fri Aug 21 2026

Date           08/20/26      Fri 08/21/26            Sat 08/22/26            Sun
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                      60          86          58          88          64
Temp                      62 60 67 79 84 84 73 66 61 58 65 80 86 87 76 72 67 65
Dewpt                     48 49 51 52 50 49 49 48 47 47 48 50 48 48 47 50 51 55
RH                        60 67 56 39 31 30 43 52 60 67 54 35 27 26 36 46 56 70
Wind dir                   E NE NE  E NE NE  E  E  E  E SE SE SE SE  E  E  E  E
Wind spd                  11 12 12 10  6  6 10 11 11 12 14 18 19 18 20 19 16 13
Wind gust                                               25    29 28 32 29
Clouds                    FW FW FW CL FW FW SC SC SC B1 B1 B1 B1 B2 B2 B1 B2 B2
PoP 12hr                      5           0           0           0          40
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  S
Tstms                                                                   S


Date           08/23/26  Mon 08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26
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          93      61    86      55    82      55    85      57    84
Temp          84 90 69   62 80 83 64   56 75 79 62   55 77 83 65   57 77 82
Dewpt         62 56 59   51 46 43 46   47 47 43 45   46 47 46 48   49 49 45
PWind dir        SE       W    NW      NW    NW      NE    SE       E    SE
Wind char        GN      LT    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    B1 SC B1   SC FW CL FW   FW FW CL FW   FW SC FW FW   B1 SC FW
PoP 12hr         10      40     5       0     0       0     5      20    10
Rain shwrs     S     C                                              S
Tstms                S

$$
MTZ020-221000-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
100 AM MDT Fri Aug 21 2026

Date           08/20/26      Fri 08/21/26            Sat 08/22/26            Sun
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                      58          86          55          89          62
Temp                      61 58 66 79 84 84 72 65 58 55 65 81 87 87 75 71 67 63
Dewpt                     48 50 52 53 49 48 50 50 47 47 49 50 46 47 47 49 51 53
RH                        62 75 61 41 30 29 46 58 67 74 56 34 24 25 37 46 56 70
Wind dir                  NE NE NE NE NE NE  E  E  E  E  E SE  E  E  E  E  E  E
Wind spd                   5  9 10 11  8  8  8  6  6  6  9 13 14 16 16 13 11 10
Wind gust                                                           26
Clouds                    FW SC FW CL CL CL SC FW FW B1 SC B1 B1 B1 B2 B1 B1 B2
PoP 12hr                      5           5           0           0          50
QPF 12hr                      0           0           0           0        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C
Tstms                                                                   S


Date           08/23/26  Mon 08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26
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          94      61    89      56    83      53    85      55    86
Temp          86 91 70   62 83 84 65   56 77 80 61   53 78 83 64   56 78 82
Dewpt         64 59 61   55 47 42 48   48 47 43 47   47 47 45 49   49 50 46
PWind dir        SE      NE     W      NW    NW       N     E       E     E
Wind char        GN      LT    GN      GN    GN      LT    LT      GN    GN
Avg clouds    B1 SC B1   SC FW CL CL   FW FW FW FW   FW FW FW FW   SC SC FW
PoP 12hr         30      30     5       0     0       0     0      10    10
Rain shwrs     C     C
Tstms                C

$$
MTZ022-221000-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
100 AM MDT Fri Aug 21 2026

Date           08/20/26      Fri 08/21/26            Sat 08/22/26            Sun
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                      58          86          58          89          64
Temp                      62 58 67 80 85 84 72 66 62 59 68 82 88 87 79 73 69 65
Dewpt                     47 46 48 50 50 50 51 50 49 48 49 52 51 51 53 54 56 57
RH                        58 64 50 35 30 31 48 56 62 67 51 35 28 29 41 51 63 75
Wind dir                   E NE NE  E  E NE  E  E  E  E SE SE SE SE SE SE SE  S
Wind spd                   4  4 10 11 10 11  8  8  6  8 13 17 17 16 13 11  6  3
Wind gust                                            19 26 28 28 26 27 23
Clouds                    FW FW CL FW FW FW SC B1 B1 B2 SC B2 B2 B2 B2 B1 B1 B1
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


Date           08/23/26  Mon 08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26
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          94      61    85      55    81      55    85      57    85
Temp          89 91 69   62 81 82 64   56 76 79 63   55 79 83 65   58 79 82
Dewpt         60 55 57   47 44 41 46   47 46 44 46   45 47 46 48   47 48 45
PWind dir         W       W    NW      NW     N      NE    SE       E    SE
Wind char        LT      LT    GN      LT    LT      LT    LT      GN    LT
Avg clouds    B1 SC B1   SC FW FW FW   SC SC FW FW   FW SC FW SC   SC SC FW
PoP 12hr          5      30     0       5     0       0     5      20    10
Rain shwrs           C                                         S
Tstms                S

$$
MTZ024-221000-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
100 AM MDT Fri Aug 21 2026

Date           08/20/26      Fri 08/21/26            Sat 08/22/26            Sun
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                      56          84          53          87          62
Temp                      60 56 65 78 82 82 70 62 57 53 64 80 85 85 73 70 66 63
Dewpt                     51 51 54 54 52 52 52 52 51 50 51 50 48 48 48 49 51 53
RH                        72 83 68 43 35 35 53 70 80 89 63 35 28 28 41 47 58 70
Wind dir                   N NE NE NE  N NE NE NE NE  E SE SE SE SE  E SE SE SE
Wind spd                   1  2  5  9  9 11  6  4  2  2  6 11 12 12 13 14 12 11
Wind gust                                                           24 25
Clouds                    FW SC CL CL FW CL FW FW FW SC SC SC SC B2 B2 B2 B2 B2
PoP 12hr                      5           5           0           0          40
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  C
Tstms                                                                      S  S


Date           08/23/26  Mon 08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26
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          90      60    88      57    81      52    82      55    85
Temp          84 87 68   61 84 84 65   57 77 79 60   53 77 80 63   55 79 82
Dewpt         63 63 62   57 53 47 49   50 50 47 50   50 49 48 51   50 52 50
PWind dir        SE      SE     W      NW    NW       N    NE       E    SE
Wind char        GN      GN    GN      GN    GN      LT    LT      LT    GN
Avg clouds    B2 SC B1   SC FW FW FW   FW FW FW FW   FW FW FW FW   SC SC SC
PoP 12hr         40      40     5       0     0       0     0      10    20
Rain shwrs     C     C                                                    S
Tstms          S     C

$$
MTZ025-221000-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
100 AM MDT Fri Aug 21 2026

Date           08/20/26      Fri 08/21/26            Sat 08/22/26            Sun
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                      59          86          56          88          65
Temp                      62 59 68 80 84 84 73 66 59 56 67 81 86 87 78 74 68 65
Dewpt                     49 49 51 52 53 53 52 52 50 50 51 52 50 52 51 53 55 57
RH                        62 69 54 38 34 34 48 61 72 80 56 37 29 30 39 48 63 75
Wind dir                  NE NE NE  E NE NE NE NE NE  E SE SE SE SE SE SE SE SE
Wind spd                   3  6 10 12 10 11 10  8  5  4  9 12 13 14 13 13 11  9
Wind gust                                                              24
Clouds                    FW FW CL FW FW FW SC SC SC SC SC B1 B2 B1 B2 B2 B2 B2
PoP 12hr                      0           5           0           0          60
QPF 12hr                      0           0           0           0        0.06
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              L  L  C
Tstms                                                                   S


Date           08/23/26  Mon 08/24/26  Tue 08/25/26  Wed 08/26/26  Thu 08/27/26
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          93      63    88      57    82      53    83      58    85
Temp          84 91 71   63 84 85 66   57 76 80 61   53 77 82 65   58 79 83
Dewpt         65 63 62   56 51 47 49   48 49 48 49   48 50 49 50   50 53 51
PWind dir        SE       S    NW      NW    NW       N     E       E    SE
Wind char        GN      LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B1 SC SC   SC FW FW FW   SC SC SC FW   FW FW SC SC   SC SC SC
PoP 12hr         40      20     5       0     0       0     0      10    20
Rain shwrs     C     S                                                    S
Tstms                S

$$