Point Forecast Matrices
Issued by NWS Glasgow, MT

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Point Forecast Matrices
National Weather Service Glasgow MT
1240 AM MDT Mon Sep 21 2026

MTZ017-221000-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
1240 AM MDT Mon Sep 21 2026

Date           09/20/26      Mon 09/21/26            Tue 09/22/26            Wed
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                      48          68          48          75          50
Temp                      50 49 53 62 67 66 59 56 53 50 54 67 74 73 63 58 54 51
Dewpt                     50 49 52 54 53 52 52 52 50 50 51 55 54 54 53 53 52 51
RH                       100100 96 75 61 61 78 86 89100 90 65 50 51 70 83 93100
Wind dir                  SE  E SE SE SE SE SE SE SE SE SE SE SE SE SE SE  E  E
Wind spd                  10 10 10 12 13 12 13 13 12 12 13 13 13 10 12 11 10  9
Clouds                    B2 B2 B1 SC SC FW FW FW FW B1 B1 FW FW SC SC SC B1 B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs


Date           09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26  Sun 09/27/26
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          77      50    83      56    82      51    69      43    64
Temp          70 75 58   51 75 80 63   57 76 78 61   53 64 66 53   44 59 62
Dewpt         57 53 50   46 55 49 49   51 55 52 49   45 44 40 39   39 41 40
PWind dir        SE      SE    SE      SE    SE      NW    NW       N     E
Wind char        LT      LT    GN      GN    BZ      BZ    BZ      GN    GN
Avg clouds    B1 FW FW   FW FW CL FW   FW FW FW FW   B1 SC FW SC   SC SC SC
PoP 12hr          0       0     0       0     0      10     5      10    10

$$
MTZ020-221000-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
1240 AM MDT Mon Sep 21 2026

Date           09/20/26      Mon 09/21/26            Tue 09/22/26            Wed
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                      46          70          45          76          48
Temp                      49 48 52 64 69 68 59 54 51 48 55 68 75 74 62 57 52 49
Dewpt                     49 48 50 54 53 54 53 51 50 48 51 55 55 56 54 54 52 49
RH                       100100 93 70 57 61 80 90 96100 86 63 50 53 75 90100100
Wind dir                   E  E SE  S SE SE SE SE  E  E SE SE SE SE SE SE  E  E
Wind spd                   4  4  5 10 11 10 10 10  9  8 10 12 12 11 12  9  5  5
Clouds                    B2 B2 SC FW SC SC FW FW FW SC SC SC FW FW SC SC B1 B2
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs


Date           09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26  Sun 09/27/26
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          78      48    86      54    84      50    73      42    67
Temp          71 76 57   49 78 81 63   56 78 80 61   53 67 68 53   44 60 64
Dewpt         59 57 52   47 56 51 51   53 57 54 52   47 45 42 42   40 41 41
PWind dir        SE       S    SE      SE    SE      SW    NW       N     E
Wind char        LT      LT    LT      GN    GN      GN    GN      LT    GN
Avg clouds    B1 SC FW   FW FW CL FW   FW SC FW FW   SC SC SC SC   SC SC SC
PoP 12hr          5       0     0       0     5      10     5      10    10

$$
MTZ022-221000-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
1240 AM MDT Mon Sep 21 2026

Date           09/20/26      Mon 09/21/26            Tue 09/22/26            Wed
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                      48          69          45          75          48
Temp                      51 49 53 63 67 67 57 53 50 47 53 68 75 73 61 56 53 49
Dewpt                     51 49 52 53 54 55 53 52 50 47 50 55 54 54 53 53 51 49
RH                       100100 96 70 63 65 86 96100100 89 63 48 51 75 90 93100
Wind dir                  SE SE SE  S  S SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd                   3  4  6 10 10 10 10 10  8  6  9 10  9  6  5  4  2  2
Wind gust                                   21 20
Clouds                    OV OV B1 SC SC FW FW FW FW B1 SC FW FW FW SC B1 B1 B2
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs


Date           09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26  Sun 09/27/26
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          79      49    83      54    83      49    70      42    67
Temp          73 77 57   50 79 80 63   56 78 80 60   51 65 66 51   43 61 65
Dewpt         54 53 50   44 51 47 48   48 51 50 48   43 42 39 41   39 40 41
PWind dir        SW       S     S      SE     S       W    NW       N    SE
Wind char        LT      LT    LT      GN    GN      GN    GN      LT    LT
Avg clouds    B1 FW FW   FW FW CL FW   FW SC FW FW   SC SC SC SC   SC B1 SC
PoP 12hr          5       0     0       0     0      10     5      20    20
Rain shwrs                                                          S  S  S

$$
MTZ024-221000-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
1240 AM MDT Mon Sep 21 2026

Date           09/20/26      Mon 09/21/26            Tue 09/22/26            Wed
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                      47          69          45          73          49
Temp                      50 48 53 64 68 66 56 52 50 48 54 67 72 69 60 56 53 50
Dewpt                     50 48 51 55 55 55 52 50 50 48 51 56 56 56 54 54 53 50
RH                       100100 93 73 63 68 86 93100100 90 68 57 63 81 93100100
Wind dir                   E  E  S  S SE SE SE  S SE SE  S SE SE SE SE SE SE SE
Wind spd                   3  3  5 10 12 11 10 10  9 10 14 16 17 17 14 11  6  5
Wind gust                                   20       21 25 27 28 27 26
Clouds                    B2 B1 SC SC SC FW FW FW FW B2 B1 SC FW SC SC SC B1 B2
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C


Date           09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26  Sun 09/27/26
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          76      49    83      53    82      53    73      44    69
Temp          70 73 57   50 76 78 62   55 76 77 63   55 69 68 53   45 64 65
Dewpt         61 61 56   50 59 55 54   55 60 58 55   50 49 46 44   41 43 45
PWind dir        SE       S     S      SE    SE       S     W      NW    SE
Wind char        LT      LT    LT      GN    GN      BZ    GN      LT    LT
Avg clouds    B2 B1 FW   FW FW CL CL   FW SC FW FW   SC SC FW SC   SC SC SC
PoP 12hr         30       5     0       0     5       5    10      10    10
Rain shwrs     C  S

$$
MTZ025-221000-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
1240 AM MDT Mon Sep 21 2026

Date           09/20/26      Mon 09/21/26            Tue 09/22/26            Wed
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                      49          68          46          74          50
Temp                      51 50 53 63 67 66 57 52 50 49 54 67 73 72 61 56 53 51
Dewpt                     51 50 53 56 56 55 53 51 50 49 52 57 57 57 55 55 53 51
RH                       100100100 78 68 68 86 96100100 93 70 57 59 81 96100100
Wind dir                   E  E SE  S SE SE SE  S SE SE  S SE SE SE SE SE SE SE
Wind spd                   5  4  5  9 11 11 11 10  9  9 12 14 14 14 13  9  4  4
Clouds                    B2 B2 SC SC SC FW FW FW FW SC SC SC FW SC SC SC B1 B2
PoP 12hr                     10           5           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C


Date           09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26  Sun 09/27/26
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          77      50    84      54    83      53    74      46    70
Temp          70 75 57   51 76 80 62   56 78 80 63   55 69 70 53   46 64 67
Dewpt         62 59 54   50 58 53 53   53 59 56 54   48 48 45 43   41 44 46
PWind dir         S       S     S      SE    SE      SW    NW       N     E
Wind char        LT      LT    LT      GN    GN      GN    GN      LT    GN
Avg clouds    B2 SC FW   FW FW CL FW   FW SC FW FW   SC SC FW FW   SC SC SC
PoP 12hr         50       5     0       0     0       5     5      20    10
Rain shwrs     C  S                                                 S

$$