Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 182202
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Point Forecast Matrices
National Weather Service Billings MT
402 PM MDT Sat Oct 18 2025

MTZ235-191000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
402 PM MDT Sat Oct 18 2025

Date           10/18/25      Sun 10/19/25            Mon 10/20/25            Tue
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                      38          65          41          54          33
Temp             51 43 41 39 40 43 59 62 54 49 45 44 43 42 50 53 50 43 39 35 35
Dewpt            25 25 27 25 27 29 37 40 42 37 34 31 30 31 33 31 29 26 27 26 26
RH               36 49 57 57 59 57 44 44 64 63 65 60 60 65 52 43 44 51 62 69 69
Wind dir         SW SW SW SW SW SW SW SW  W  W  W  W  W  W  W  W NW  W  W  W SW
Wind spd          9 11 13 16 17 17 17 18 19 17 18 19 24 25 25 24 13 10  9  9  9
Wind gust                                               35 35
Clouds           FW FW FW FW B1 B1 B1 OV OV B2 SC SC B1 SC SC SC FW FW FW FW SC
PoP 12hr                      0          40          40          20           0
QPF 12hr                      0        0.01        0.03           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  C              S  S


Date           10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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          60      35    62      41    64      41    66      44    67
Temp          52 54 42   36 54 56 45   42 57 58 46   41 59 60 51   46 60 60
Dewpt         31 31 29   26 33 37 31   30 35 36 33   31 38 38 34   32 39 39
PWind dir        SW      SW    SW      SW     W      SW    SW      SW    SW
Wind char        GN      LT    LT      LT    GN      LT    GN      GN    GN
Avg clouds    SC FW FW   FW FW FW SC   SC SC FW FW   SC SC SC SC   SC B1 B1
PoP 12hr          0       0     5       5     5       0     5       5    10

$$
MTZ065-191000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
402 PM MDT Sat Oct 18 2025

Date           10/18/25      Sun 10/19/25            Mon 10/20/25            Tue
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                      35          60          31          49          28
Temp             49 41 39 40 41 47 57 54 46 41 38 36 34 35 44 48 47 38 33 31 30
Dewpt            22 21 24 25 26 31 37 41 37 34 31 29 28 28 28 24 24 23 23 22 22
RH               34 44 54 55 55 53 47 61 71 76 76 75 78 75 53 39 40 54 66 69 72
Wind dir         SW SW SW SW SW SW SW SW  W  W  W  W  W  W  W  W  W  W SW SW SW
Wind spd         18 28 32 37 42 44 28 28 23 21 20 20 24 25 27 27 16 17 17 17 17
Wind gust              44 52 59 63 40          33 33    35 39 39 26       27
Clouds           FW SC SC SC B1 SC B1 OV B2 B2 B1 B1 B1 SC SC SC FW FW FW SC SC
PoP 12hr                      0          80          60          20           0
QPF 12hr                      0        0.15        0.07           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  D  L  L  C  C  S  S
Snowshwrs                                       C  C  S  S
Wind chill          30 27 28 29                   25 22 23             22 20 18
Min chill              27    24    30          28    22    22          22    18
Wind              Y  Y  Y  Y  Y  Y  Y


Date           10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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          58      30    64      35    62      35    65      39    63
Temp          51 53 38   31 55 58 42   36 55 56 42   36 57 59 47   41 57 56
Dewpt         27 28 25   22 29 32 28   26 32 31 30   28 33 33 32   30 35 36
PWind dir        SW      SW    SW      SW     W      SW    SW      SW    SW
Wind char        BZ      GN    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    FW FW SC   FW FW FW SC   SC SC SC FW   SC SC SC SC   B1 B1 B1
PoP 12hr          0       5     5       5     5       5     5      10    20
Rain shwrs                                                             S  S

$$
MTZ032-191000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
402 PM MDT Sat Oct 18 2025

Date           10/18/25      Sun 10/19/25            Mon 10/20/25            Tue
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                      32          62          38          52          29
Temp             48 40 36 34 34 39 55 60 55 50 46 43 40 41 49 51 47 40 37 33 31
Dewpt            30 29 28 27 26 30 37 38 40 43 39 34 32 33 34 34 31 30 30 28 28
RH               49 64 72 75 72 70 51 44 57 77 76 70 73 73 56 52 53 67 75 82 88
Wind dir          W  S  S  S  S  S SW SW  W  W  W  W  W  W  W NW NW NW  W  W  W
Wind spd         10  8  9 10  9 10 11 14 14 14 14 17 19 21 28 29 17 12  9  6  5
Wind gust                                                  40 41
Clouds           FW FW FW FW FW SC B1 B1 B2 OV B1 SC SC SC SC SC FW FW FW FW FW
PoP 12hr                      0          20          50          10           0
QPF 12hr                      0           0        0.15           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                             S  C  C


Date           10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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          57      32    62      36    64      36    67      39    69
Temp          50 51 40   32 54 56 44   37 58 57 43   37 58 60 48   41 61 62
Dewpt         33 31 30   27 35 36 33   30 35 34 32   30 38 39 37   33 39 40
PWind dir         W       W     S      SE     W      SW    SW       S     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   FW FW FW FW   SC SC SC FW   FW SC SC SC   SC SC SC
PoP 12hr          0       0     0       5     0       0     0       5     5

$$
MTZ033-191000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
402 PM MDT Sat Oct 18 2025

Date           10/18/25      Sun 10/19/25            Mon 10/20/25            Tue
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                      28          64          36          50          26
Temp             47 36 33 30 31 40 58 62 56 47 44 42 38 40 47 50 45 37 35 31 28
Dewpt            27 27 25 23 22 27 32 33 37 39 40 36 31 33 33 31 31 29 28 27 26
RH               45 69 72 75 69 59 37 33 49 74 86 79 76 76 58 48 58 72 75 85 92
Wind dir          W  W SW  S  S  S  S SW  W  W  W  W  W  W  W NW NW NW NW  W  W
Wind spd         16 12 10 11 12 14 17 18 17 17 17 18 20 25 32 36 25 20 14 12 10
Wind gust                                               35 44 51 36 31
Clouds           CL FW FW FW FW SC SC B1 B1 OV OV B1 SC FW SC SC SC SC FW FW FW
PoP 12hr                      0           5          60           5           0
QPF 12hr                      0           0        0.13           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  S  S
Wind chill                                           27 29          26
Min chill              25    19    22                27    27          25    17


Date           10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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          53      29    61      34    61      34    66      38    69
Temp          48 48 36   30 56 54 41   35 58 55 40   35 61 59 45   40 63 61
Dewpt         31 30 29   26 33 33 31   29 35 35 32   29 38 38 34   33 38 40
PWind dir         W       W    SW      SE     W       W    SW       S     S
Wind char        GN      LT    LT      GN    GN      LT    GN      GN    GN
Avg clouds    FW FW FW   FW FW FW FW   SC SC SC FW   FW FW SC SC   SC SC SC
PoP 12hr          0       0     0       0     0       0     0       0     0

$$
WYZ199-191000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
402 PM MDT Sat Oct 18 2025

Date           10/18/25      Sun 10/19/25            Mon 10/20/25            Tue
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                      27          68          33          51          25
Temp             46 34 31 29 30 40 62 63 56 45 40 37 35 38 47 50 46 36 32 28 27
Dewpt            26 24 23 22 22 28 36 38 38 43 38 33 28 28 28 28 27 26 25 22 22
RH               45 66 72 75 72 62 38 39 51 93 92 85 75 67 47 42 47 67 75 78 81
Wind dir         NW  S  S  S SW SW  S  S NW NW NW NW  W NW NW NW NW  W  W SW SW
Wind spd          6  8  8  9 10 10  6 10 14 13 12 13 19 25 28 27 13 12  9  6  5
Wind gust                                               35 40 39
Clouds           FW FW FW FW FW FW SC B1 B2 B2 B2 B2 B1 B1 B1 B1 FW FW FW FW FW
PoP 12hr                      0          10          60          30           0
QPF 12hr                      0           0        0.10           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                L  L  L  L  C  C  C  C
Wind chill                                           23 27
Min chill              24    19    20                23    24          24    18


Date           10/21/25  Wed 10/22/25  Thu 10/23/25  Fri 10/24/25  Sat 10/25/25
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          58      30    64      34    62      33    67      38    69
Temp          51 52 36   31 57 56 40   35 58 55 39   34 61 58 43   40 62 60
Dewpt         26 31 26   23 30 34 28   24 32 35 30   27 35 37 31   29 35 37
PWind dir         W      SW     S      SW    NW      SW     S      SW     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW FW   FW FW FW FW   SC SC SC FW   FW FW SC SC   SC SC SC
PoP 12hr          0       5     5       5     5       0     0       5     5

$$