Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 170839
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Point Forecast Matrices
National Weather Service Billings MT
138 AM MST Mon Nov 17 2025

MTZ235-172300-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
138 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
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                      60          41          57          36          52
Temp          39 39 39 51 58 54 47 45 45 43 43 52 57 52 46 43 41 39 38 48 52 47
Dewpt         34 35 36 39 41 42 39 38 39 36 37 42 41 41 39 37 34 31 33 36 34 34
RH            82 85 89 63 53 64 74 76 79 76 79 69 55 66 76 79 76 73 82 63 50 60
Wind dir       W  W  W SW NW NE NW  W  W  W SW SW  S SE  S SW SW  W  W  W NW  N
Wind spd       4  5  5  5  5  5  4  5  6  8  5  4  4  5  4  5  5  8  6  6  5  5
Clouds        SC B2 B2 B1 SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                      5          10          20           5          30
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S                    S  S  C  C


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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            30    51      31    54      34    53      33    48
Temp          36   32 43 45 35   33 47 48 40   36 48 48 39   37 45 44
Dewpt         30   27 34 34 27   26 30 29 26   24 29 29 26   25 29 29
PWind dir           N    SW      SW    SW      SW     W      SW     W
Wind char          LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    B1   SC SC FW FW   FW SC FW SC   SC B1 SC B1   B1 B1 B1
PoP 12hr           10     0       0     0       5     5      10    20
Rain shwrs                                                       S  S
Snowshwrs                                                        S  S

$$
MTZ065-172300-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
138 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
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                      58          35          56          33          50
Temp          39 39 40 52 56 53 47 44 42 39 38 51 55 51 44 40 39 37 37 46 50 45
Dewpt         34 34 35 38 37 36 36 34 36 33 33 35 32 33 30 30 30 29 29 31 29 30
RH            82 82 82 59 49 52 65 68 79 79 82 54 41 50 57 67 70 72 72 55 44 55
Wind dir       W  W  W  W  W SW SW  W  W  W  W SW SW SW SW SW SW SW SW  W  W  W
Wind spd       6  8  9 10 10  9 10 10  9  8  8  6  6  5  5  8  8  8  8  8  9  5
Clouds        B1 B1 B1 B2 B1 B1 B2 B2 B1 SC SC SC B1 B1 B1 SC SC B1 B1 B1 SC SC
PoP 12hr                     10          10           5          10          30
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  S  S


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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            29    53      30    53      32    51      32    48
Temp          35   31 46 47 36   32 47 47 38   35 45 45 38   36 44 43
Dewpt         27   26 30 27 24   23 26 25 24   24 27 25 25   25 26 25
PWind dir          SW    SW      SW    SW      SW    SW      SW    SW
Wind char          LT    LT      GN    GN      BZ    BZ      BZ    BZ
Avg clouds    SC   SC FW FW FW   FW FW FW SC   B1 B1 B1 B1   B1 B1 B1
PoP 12hr            5     0       5     5      10    10      20    30
Rain shwrs                                                    S  C  S
Snowshwrs                                                     S  C  S

$$
MTZ032-172300-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
138 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
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                      50          32          53          35          52
Temp          37 35 36 42 48 45 39 36 35 34 34 47 53 48 43 40 39 37 38 47 51 46
Dewpt         35 35 35 36 37 36 35 34 34 33 34 40 41 42 40 39 39 36 38 40 37 35
RH            92100 96 79 65 70 85 92 96 96100 76 64 80 89 96100 96100 76 59 65
Wind dir       E NE NE  E NE NE NE  N  W SW SW  W  W SE SE  E  E SE  W  W NW NW
Wind spd       8  8  6  6  5  5  3  3  2  2  2  3  3  2  2  2  2  3  4  8  9  8
Clouds        B1 SC B1 B1 SC B1 B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 SC B2
PoP 12hr                      5           5           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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            26    49      28    53      32    53      31    48
Temp          35   28 41 43 33   29 45 46 37   34 47 46 37   33 44 42
Dewpt         32   28 34 32 29   28 34 32 29   27 31 31 28   27 32 29
PWind dir          NW     S      SE    SW      SW     W       W     W
Wind char          LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1   SC SC FW FW   FW SC FW SC   SC B1 SC SC   B1 B1 SC
PoP 12hr           10     0       0     0       5     5      10     5

$$
MTZ033-172300-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
138 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
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                      47          30          53          34          52
Temp          36 33 32 42 45 42 35 33 33 32 33 49 52 47 40 38 37 36 38 49 51 45
Dewpt         33 30 29 32 33 34 31 30 32 31 33 38 38 40 38 37 37 36 38 39 39 38
RH            89 89 88 67 62 73 85 89 96 96100 66 59 76 92 96100100100 68 63 76
Wind dir      SE  E  E SE  E  E SE SE SE SE  S SW  W SW SW  S SE  S SW  W  W NW
Wind spd      14 13 13 14 13 10 10  6  5  5  5  8  5  3  2  2  2  2  3  6 10 10
Clouds        B1 B2 B2 B1 B2 B2 B1 B1 B1 SC SC SC B1 B2 OV OV OV B2 B2 B1 B1 B1
PoP 12hr                     20          10           0          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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            25    46      25    51      29    50      26    47
Temp          33   27 41 40 29   27 46 44 35   32 47 44 33   31 44 40
Dewpt         31   27 30 30 26   26 32 32 29   27 30 31 27   25 31 29
PWind dir          NW     W      SE    SW      SW     W       W     W
Wind char          GN    LT      LT    GN      GN    GN      GN    GN
Avg clouds    B1   SC SC FW FW   FW SC FW SC   SC B1 SC SC   B1 B1 SC
PoP 12hr           10     0       0     0       0     0       5     5

$$
WYZ199-172300-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
138 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
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                      55          35          55          30          52
Temp          33 34 37 49 53 49 42 40 38 38 39 52 55 49 41 38 34 32 34 49 52 45
Dewpt         32 34 36 39 39 41 40 38 37 37 38 41 41 41 39 37 33 30 31 36 34 37
RH            96100 96 68 59 74 93 92 96 96 96 66 59 74 92 96 96 92 89 61 50 73
Wind dir       W  W  W NW NW  W  W  W  W  W SW  N  E  E  S SW SW SW SW  N  N NW
Wind spd       2  2  3  5  6  4  5  4  2  2  2  2  2  2  2  2  2  2  2  4  5  4
Clouds        B1 B2 OV OV B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC B1
PoP 12hr                     20          20          20          20          20
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S  S              S  S  S  S  S  S              S  S  S


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
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            26    51      25    53      27    53      26    48
Temp          34   28 46 43 31   27 48 44 33   29 48 44 32   29 45 41
Dewpt         32   28 33 34 25   22 28 29 21   19 27 29 23   22 29 29
PWind dir           W    SE      SW    NW      SW    NW      SW    NW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC FW FW   FW SC FW FW   SC SC SC B1   B1 B1 B1
PoP 12hr           20     5       0     5       5    10      10    20
Rain shwrs     S                                                 S  S
Snowshwrs                                                        S  S

$$