Point Forecast Matrices
Issued by NWS Billings, MT

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Point Forecast Matrices
National Weather Service Billings MT
1018 PM MST Sat Nov 29 2025

MTZ235-301100-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
1018 PM MST Sat Nov 29 2025

Date          Sat 11/29/25      Sun 11/30/25            Mon 12/01/25         Tue
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       1          19           8          33          24
Temp                    5  4  2  1  9 19 12  8 12 13 15 12 25 33 29 27 26 27 29
Dewpt                   1  0 -2 -1  7 10  6  1  3  3  4  4 14 20 17 16 16 17 24
RH                     83 83 83 91 91 67 76 72 66 63 61 70 62 58 60 63 65 65 81
Wind dir               NE  N  N  S NW NW SW SW SW SW SW SW  W SW SW SW SW SW SW
Wind spd                3  3  4  4  3  2  4  8 12 12 13 13 11 12 12 14 16 17 17
Clouds                 SC B1 SC B1 SC FW FW FW SC SC SC SC FW SC B1 B2 B2 B2 OV
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                                          S
Obvis                                                                     BS BS
Wind chill                                  -4 -3 -1  0 -3 14       15 14 15 17
Min chill              -2    -8    -9     5    -5    -3    -5    19    14    14


Date           12/02/25  Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          37      16    29      19    36      26    41      31    44
Temp          33 35 29   20 24 25 23   25 32 32 29   30 36 39 36   34 39 40
Dewpt         27 30 26   17 21 19 15   17 25 24 22   23 30 31 29   26 31 31
PWind dir         W      NW     S      SW    SW      SW    SW       W     W
Wind char        GN      GN    LT      GN    BZ      GN    BZ      GN    BZ
Avg clouds    OV OV OV   OV B2 SC SC   SC B1 B1 B1   B1 B2 B1 B1   B1 B2 B2
PoP 12hr         40      50     5       0    20      30    30      30    30
Rain              C  C                                   S  C  S    C  C  C
Snow           S  C  C    C                   S  C    S  S  C  S    C  C  C

$$
MTZ065-301100-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
1018 PM MST Sat Nov 29 2025

Date          Sat 11/29/25      Sun 11/30/25            Mon 12/01/25         Tue
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       2          27          11          37          25
Temp                    3  3  3  2 15 27 19 13 13 12 12 14 29 37 34 31 29 29 31
Dewpt                  -3 -2 -2 -2  6 11  5  1  0  0  1  3 13 17 18 18 16 17 21
RH                     75 79 79 83 67 50 54 58 55 58 60 61 51 44 51 58 58 60 66
Wind dir                E  E NW NW  W  W  W  W  W  W  W  W  W  W  W SW SW SW SW
Wind spd                4  3  5  4  3  4  5 10 11 12 13 13 12 18 27 32 36 36 36
Wind gust                                                        39 44 51 51 51
Clouds                 B1 B2 B2 B1 SC FW FW FW SC SC SC SC SC B1 B2 B2 B2 B2 B2
PoP 12hr                      5           5           0           0          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                                    S  S  C
Obvis                                                                        BS
Wind chill                   -8             -1 -1 -2 -3 -1 18    21 16 12 12 15
Min chill              -6    -8    -9    11    -1    -3    -3    21    12    12


Date           12/02/25  Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          37      17    34      19    39      25    44      30    45
Temp          33 34 28   21 29 28 23   25 33 34 29   31 39 41 37   34 40 40
Dewpt         24 26 22   16 19 15 12   14 20 20 19   22 28 26 26   24 28 27
PWind dir        SW      NW     W      SW    SW      SW    SW      SW    SW
Wind char        WY      LT    LT      GN    BZ      BZ    BZ      BZ    BZ
Avg clouds    OV OV OV   OV B2 SC SC   B1 B1 B1 B1   B2 B2 B2 B1   B1 B2 B2
PoP 12hr         50      40     5       5    20      30    30      30    40
Rain                                                        C  C    C  C  C
Snow           C  C  C    C                   S  C    C  C  C  C    C  C  C

$$
MTZ032-301100-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
1018 PM MST Sat Nov 29 2025

Date          Sat 11/29/25      Sun 11/30/25            Mon 12/01/25         Tue
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      -7          16           4          27          16
Temp                   -2 -5 -6 -6  7 16  9  6  4  4  6  8 21 27 21 19 19 21 24
Dewpt                  -5 -7 -7 -6  2  7  3  0  0 -1  1  4 14 18 15 13 14 16 21
RH                     87 91 95100 79 67 76 76 83 79 79 83 74 68 77 77 80 81 88
Wind dir                E  E  E  E SE  E NE  S SW SW SW  W  W  W SW SW SW SW SW
Wind spd                2  3  3  4  5  5  5  4  5  6  8  8  9  9  5  6  6  8 10
Clouds                 SC SC SC SC FW FW FW FW SC SC SC SC FW FW B1 B2 B2 B2 OV
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                                          S
Obvis                  PF PF PF PF
Wind chill                     -17             -7 -8 -6 -5
Min chill              -2   -14   -18    -1    -7    -8    -8    10    10    10


Date           12/02/25  Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          35      10    20      11    35      22    39      24    38
Temp          32 32 24   13 15 16 14   19 31 31 25   26 34 36 32   27 34 32
Dewpt         29 31 24   12 13 13 12   16 26 27 24   25 32 33 30   26 31 30
PWind dir         W      NW    NW      SW     W       W     W       W     W
Wind char        GN      GN    LT      LT    GN      GN    GN      GN    GN
Avg clouds    OV B2 OV   OV B2 B1 SC   SC B2 B1 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr         30      40     0       0    10      40    30      40    30
Rain              C                                      C  S  C    C  C  C
Snow           S  C  C    S                      C    C  C  S  C    C  C  C

$$
MTZ033-301100-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
1018 PM MST Sat Nov 29 2025

Date          Sat 11/29/25      Sun 11/30/25            Mon 12/01/25         Tue
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      -8          16           0          25          11
Temp                   -4 -6 -7 -5  9 16  4  0  3  4  4  5 18 25 19 16 16 17 21
Dewpt                  -5 -8 -8 -6  3  6 -1 -3 -1  0 -1  2 11 16 13 13 12 13 17
RH                     95 91 95 95 76 64 79 87 83 83 79 87 73 68 77 88 84 84 84
Wind dir                N  S SE SE SE  S SE  S  S SW  W  W  W  W  W SW SW SW  W
Wind spd                1  2  3  5  9  9  8  8  8  9 10 11 14 14 10  9  6  9 10
Clouds                 B1 SC SC SC FW FW FW FW FW SC SC SC FW FW SC B2 B2 B2 B2
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                  PF PF PF PF
Wind chill                     -17 -4  4 -9-14-11-10-11-11  4 13  7  4     6 10
Min chill              -4   -16   -18    -9   -14   -12   -13     5     4     6


Date           12/02/25  Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          35       5    19       7    34      18    36      20    35
Temp          32 30 20    8 14 14 13   18 32 30 23   23 33 33 28   24 32 29
Dewpt         27 29 20    8 11 11 11   15 26 26 23   23 29 31 28   24 28 27
PWind dir         W      NW    NW      SW     W       W     W       W     W
Wind char        GN      GN    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    B2 B2 OV   OV B2 B1 SC   SC B2 B1 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr         20      30     0       0    10      30    20      40    30
Snow              S  C    C                      S    C  S  S  C    C  C  C

$$
WYZ199-301100-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
1018 PM MST Sat Nov 29 2025

Date          Sat 11/29/25      Sun 11/30/25            Mon 12/01/25         Tue
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      -3          26           5          37          17
Temp                    1 -1 -2 -1 16 26 16  8  5  5  8 11 31 36 28 21 20 21 23
Dewpt                  -2 -3 -4 -1  7  9  8  5  1 -1  2  4 13 14 15 13 13 15 17
RH                     87 91 91100 67 48 70 87 83 76 76 73 47 40 58 71 74 77 77
Wind dir               NW  N  N NW NE SE  W  W SW SW  W  W NW NW SW SW SW SW SW
Wind spd                2  1  1  2  2  3  3  4  4  5  5  6  9  8  6  6  4  3  3
Clouds                 SC SC SC B1 B2 B1 B1 FW FW FW SC FW FW FW SC B1 B1 B2 B2
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                                          S
Obvis                  PF PF PF PF
Wind chill                                        -6     0
Min chill               1    -2    -3    11    -4    -6    -3    19    11    14


Date           12/02/25  Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          39      14    29      11    40      20    44      24    45
Temp          35 32 25   18 25 22 15   17 34 32 23   24 38 38 31   27 40 38
Dewpt         25 30 25   18 19 18 11   12 22 23 20   21 30 30 27   25 30 30
PWind dir         W      NW    NW      SW     W       W     W       W     W
Wind char        LT      GN    LT      LT    LT      GN    GN      GN    GN
Avg clouds    B2 OV OV   OV B2 SC FW   SC B1 B1 B1   B1 B2 B1 B1   B1 B2 B2
PoP 12hr         40      70    10       0    20      30    30      30    30
Rain                                                     C  C  C    S  C  C
Snow           S  C  L    C                   S  C    C  C  C  S    S  C  S

$$