Point Forecast Matrices
Issued by NWS Glasgow, MT

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

MTZ017-012300-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
219 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                      18           7          33          -6          12
Temp             -8 -4  8 15 10 10 12 20 22 25 31 33 29 19 12  5 -2 -5  5 10  7
Dewpt           -12 -8  5 11  7  7 10 18 20 24 29 30 27 17  9  2 -3 -7  3  7  4
RH               82 82 87 84 87 87 91 92 92 96 92 89 92 92 87 87 95 91 91 87 87
Wind dir          W  W  W SW SE SE SW  W  W  W NW NW NW  N  N  N  N  N  S  S SE
Wind spd          9  5  5  4  4  4  5  9 12 13 13 14 13 13 11  9  5  4  4  5  5
Clouds           SC SC SC SC B1 B2 OV OV B2 B2 B1 B1 B2 B2 B1 SC SC SC SC SC SC
PoP 12hr                      0          20          20          10           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                   S  S
Wind chill      -25-17                 9 10 13 20 22     6 -2-10-13          -4
Min chill       -29   -24     1    -2     4     8    17    -3   -16   -20    -4
Cold Weather      Y  Y


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
219 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                      18           4          35          -7          12
Temp             -9 -6  8 16  9  7 10 17 20 26 32 35 30 20 12  5 -2 -6  5 11  5
Dewpt           -13 -9  4 10  6  5  8 15 19 24 29 29 27 17  8  2 -4 -8  1  5  2
RH               82 86 83 77 87 91 91 92 96 92 88 78 88 88 84 87 91 91 83 76 87
Wind dir          W  W  W  W  W  W  W  W  W  W  W NW NW  N  N  N NW NW SW SW  S
Wind spd          9  8  6  6  5  4  5 10 12 13 13 13 11 12 10  6  5  3  3  5  5
Wind gust                                         24
Clouds           SC B1 SC SC B1 B2 OV B2 B2 B2 B2 B1 B2 OV B2 B1 SC B1 SC SC SC
PoP 12hr                      0          20          20          10           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                   S  S
Wind chill      -26-21 -3              5  9 14           8 -2 -7-14
Min chill       -32   -28    -1    -4     0     9    21    -3   -15   -20    -6
Cold Weather      Y  Y


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
219 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          15          35           0          22
Temp             -2  4 21 27 21 22 24 29 29 30 34 35 32 26 18 10  4  1 12 20 14
Dewpt            -6  1 14 21 17 18 22 27 27 29 33 32 32 25 18 10  4  1 10 16 13
RH               82 87 74 78 84 84 92 92 92 96 96 89100 96100100100100 91 84 96
Wind dir          W  W  W  W SW SW  W  W  W  W  W NW NW NW  N  N  N NW SW SW  S
Wind spd          5  5  5  5  5  6  9 10 10 11 12 13 12 13 10  6  3  2  4  5  5
Wind gust                                20       24 23 24
Clouds           SC SC FW FW B1 OV OV OV OV OV B2 B2 OV OV OV B2 B1 B1 SC SC FW
PoP 12hr                      0          30          60          40           5
QPF 12hr                      0        0.02        0.02        0.02           0
Snow 12hr                 00-00           T       00-00
Rain                                            C
Snow                                   C  L  L     C  C  C  S  S
Wind chill      -14                                     14  7
Min chill       -22   -12    13     9    16    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
219 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                      18           5          35          -5          12
Temp             -6 -3 11 17 10  7 10 17 23 26 32 35 31 21 16  9  1 -4  7 11  4
Dewpt            -8 -5  8 13  8  6  9 16 22 26 31 32 30 20 13  6 -1 -4  4  5  1
RH               91 91 87 84 91 96 96 96 96100 96 89 96 96 88 87 91100 87 76 87
Wind dir         SW  W  W  W SW SW SW SW  W  W  W NW NW  N  N  N NW NW  W  W SW
Wind spd          5  5  6  6  4  4  5  6 10 10 13 13 11 13 10  9  5  3  3  5  4
Wind gust                                   20    25
Clouds           SC SC SC FW SC B1 B2 OV B2 OV B1 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
Snow                                      S
Wind chill      -18-16                                   9  3 -5-11
Min chill       -24   -18     1    -4     1    14    20     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
219 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          11          35           0          15
Temp             -5 -2 15 23 16 13 16 23 26 28 34 35 33 25 18 11  5  1  9 14  9
Dewpt            -7 -4 12 18 14 11 14 20 25 28 33 33 31 25 15  9  3  0  7  9  7
RH               91 91 88 81 92 91 92 88 96100 96 92 92100 88 91 91 95 91 80 91
Wind dir         SW SW  W  W SW SW SW SW  W  W  W NW NW  N  N  N  N NW  W SW SW
Wind spd          5  5  5  6  5  5  8 10 10 10 12 13 12 13 13 10  6  4  3  5  5
Clouds           FW SC FW FW SC B1 B2 OV OV B2 B2 B2 OV B2 B2 B1 B1 B1 SC SC SC
PoP 12hr                      0          20          30          20           0
QPF 12hr                      0        0.01        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                               C
Snow                                   S  C  S  C  C  S  S
Wind chill      -17-13                                  13  4 -3 -7
Min chill       -25   -18     7     3     6    15    23     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

$$