Point Forecast Matrices
Issued by NWS Glasgow, MT

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Point Forecast Matrices
National Weather Service Glasgow MT
947 AM MST Mon Dec 1 2025

MTZ017-012300-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
947 AM MST Mon Dec 1 2025

Date                Mon 12/01/25            Tue 12/02/25            Wed 12/03/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      15           9          34          -6          12
Temp                    2 11 11 12 15 22 24 25 31 33 29 19 12  5 -2 -5  5 10  7
Dewpt                  -3  6  7  8 12 18 21 23 29 30 27 17  9  2 -3 -7  3  7  4
RH                     79 80 83 84 88 84 88 92 92 89 92 92 87 87 95 91 91 87 87
Wind dir                W SW SE  E  W  W  W  W NW NW NW  N  N  N  N  N  S  S SE
Wind spd                3  1  2  1  2  4  9 11 13 14 13 13 11  9  5  4  4  5  5
Clouds                 SC FW B2 OV OV OV OV OV SC B2 B2 B2 B1 SC SC SC SC SC SC
PoP 12hr                      0          20          30          10           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                    S
Snow                                         S
Wind chill                                        22 18  6 -2-10-13          -4
Min chill             -18    -1     4     8    11    17    -3   -16   -20    -4


Date               Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max             3    29      16    29       3    13      -6    18
Temp           7   14 24 26 24   19 25 23 19   10 13  9  2   -3  7 11
Dewpt          5   12 24 24 22   17 25 22 18    9 12  7  1   -3  7  8
PWind dir           S     W       W    NW      NE     N       E     E
Wind char          LT    GN      GN    GN      GN    GN      GN    LT
Avg clouds    B1   B2 B1 B1 B2   B2 B2 B2 B2   OV OV B2 B2   B2 B2 B1
PoP 12hr            0     5      30    30      60    40      30    10
Snow                         C    S     C  L    C  C  C  C

$$
MTZ020-012300-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
947 AM MST Mon Dec 1 2025

Date                Mon 12/01/25            Tue 12/02/25            Wed 12/03/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      12           6          33          -7          12
Temp                    4 11  8  8 12 19 22 23 31 33 28 20 12  5 -2 -6  5 11  5
Dewpt                  -1  4  5  5 10 16 19 21 27 27 24 17  8  2 -4 -8  1  5  2
RH                     79 73 87 87 91 88 88 92 85 78 85 88 84 87 91 91 83 76 87
Wind dir                W  W SW SW SW  W  W  W  W NW NW  N  N  N NW NW SW SW  S
Wind spd                8  6  4  1  4 10 11 13 13 13 11 12 10  6  5  3  3  5  5
Wind gust                                         24
Clouds                 CL FW B2 OV OV OV OV OV B1 B2 B2 OV B2 B1 SC B1 SC SC SC
PoP 12hr                      0          10          20          10           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                    S
Snow                                         S
Wind chill             -9  0           8 10 11       17  8 -2 -7-14
Min chill             -23    -6    -2     3     9    17    -3   -15   -20    -6


Date               Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            -2    30      15    29       1    14      -9    18
Temp           4   13 25 25 24   18 27 21 17    8 14  8  1   -4  8 10
Dewpt          2   12 23 23 22   17 24 20 16    8 11  6  1   -5  6  7
PWind dir          SW     W       W    NW      NE     N      NE     E
Wind char          LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    B1   B2 B1 B1 B2   B2 B2 B2 B2   OV OV B2 B2   B2 B2 B1
PoP 12hr            0     5      30    30      60    40      20    10
Snow                         C    S  S  C  L    C  C  C  S

$$
MTZ022-012300-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
947 AM MST Mon Dec 1 2025

Date                Mon 12/01/25            Tue 12/02/25            Wed 12/03/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      29          20          36           0          22
Temp                   21 27 24 26 29 32 32 32 36 36 32 26 18 10  4  1 12 20 14
Dewpt                  13 19 19 21 25 28 28 30 33 32 31 25 18 10  4  1 10 16 13
RH                     71 71 81 81 85 85 85 92 89 85 96 96100100100100 91 84 96
Wind dir                W  W SW  W  W  W  W  W  W NW NW NW  N  N  N NW SW SW  S
Wind spd                6  5  6  8 10 14 18 17 12 13 12 13 10  6  3  2  4  5  5
Wind gust                                28 27    24 23 24
Clouds                 CL FW B2 OV OV OV OV OV OV OV OV OV OV B2 B1 B1 SC SC FW
PoP 12hr                      0          30          60          40           5
QPF 12hr                      0        0.02        0.03        0.02           0
Snow 12hr                 00-00           T       00-00
Rain                                            C
Snow                                   C  C  L  C  C  C  C  S  S
Obvis                                          PF PF
Wind chill                               20 21          14  7
Min chill              -3    16    13    19    19    22     6    -6    -7     5


Date               Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max             8    34      20    34       6    19       0    30
Temp          16   20 31 30 28   22 31 28 27   14 18 14 10    5 20 21
Dewpt         14   17 27 27 27   21 29 28 27   14 17 14 10    5 18 18
PWind dir          SW     W       W     W       W     N       E     S
Wind char          LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC   B1 B1 B1 B2   B2 B2 B1 B2   OV OV B2 B2   B2 B1 B1
PoP 12hr            0    10      40    40      60    60      40    10
Rain                                    C
Snow                         C    C  S  C  L    L  L  C  C    S

$$
MTZ024-012300-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
947 AM MST Mon Dec 1 2025

Date                Mon 12/01/25            Tue 12/02/25            Wed 12/03/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      17           9          35          -5          12
Temp                   10 15 12 11 16 22 27 28 33 35 31 21 16  9  1 -4  7 11  4
Dewpt                   5  9  9  8 13 20 24 26 32 31 30 20 13  6 -1 -4  4  5  1
RH                     80 77 87 87 88 92 88 92 96 85 96 96 88 87 91100 87 76 87
Wind dir                W  W SW SW SW SW  W  W  W NW NW  N  N  N NW NW  W  W SW
Wind spd                6  5  4  3  6  8 10 16 13 13 11 13 10  9  5  3  3  5  4
Wind gust                                   27    25
Clouds                 CL CL B1 OV OV OV OV OV B2 B2 OV OV B2 B2 B1 B1 SC FW SC
PoP 12hr                      0          10          20          10           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill             -1                   16           9  3 -5-11
Min chill             -13     1     1     6    15    19     2   -12   -17    -5


Date               Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            -3    30      16    30       4    16      -7    19
Temp           4   15 26 26 24   19 27 23 17   10 15 11  2   -3  9 10
Dewpt          2   13 25 25 24   19 27 22 17   10 15  9  2   -3  9  8
PWind dir          SW     W       W    NW      NE     N      NE    SE
Wind char          LT    GN      LT    GN      LT    GN      LT    LT
Avg clouds    SC   B1 B1 B1 B2   B2 B2 B2 OV   OV OV B2 B2   B2 B1 B1
PoP 12hr            0     5      20    30      50    40      20    10
Snow                         S    S  S  C  C    C  C  C  S

$$
MTZ025-012300-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
947 AM MST Mon Dec 1 2025

Date                Mon 12/01/25            Tue 12/02/25            Wed 12/03/25
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      24          15          36           0          15
Temp                   16 24 19 17 21 27 29 31 36 36 32 25 18 11  5  1  9 14  9
Dewpt                  10 16 16 15 18 24 25 29 34 34 31 25 15  9  3  0  7  9  7
RH                     77 71 88 92 88 88 85 92 92 92 96100 88 91 91 95 91 80 91
Wind dir               SW SW SW SW SW SW  W  W  W NW NW  N  N  N  N NW  W SW SW
Wind spd                3  4  5  5  6  9 10 13 12 13 12 13 13 10  6  4  3  5  5
Clouds                 CL CL SC B2 OV OV OV OV OV OV OV B2 B2 B1 B1 B1 SC SC SC
PoP 12hr                      0          20          30          20           0
QPF 12hr                      0           0        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                    C
Rain                                            S  S
Snow                                      S  C        S  S
Wind chill                                  20          13  4 -3 -7
Min chill              -9    10     7    13    17    21     3    -8   -13    -2


Date               Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max             3    32      19    32       8    19      -1    23
Temp           8   16 29 28 26   21 29 26 23   15 19 14  9    4 14 15
Dewpt          7   14 27 27 26   21 29 26 23   15 19 14  9    4 14 14
PWind dir          SW     W       W     W      SE     N      NE    SE
Wind char          LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC   B1 B1 B1 B2   B2 B2 B2 B2   OV B2 B2 B2   B2 B1 B1
PoP 12hr            0     5      30    30      60    40      30    10
Snow                         S    C  S  C  C    L  C  C  C    S

$$