Point Forecast Matrices
Issued by NWS Billings, MT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5
461
FOUS55 KBYZ 102203
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
403 PM MDT Sun May 10 2026

MTZ235-111000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
403 PM MDT Sun May 10 2026

Date           05/10/26      Mon 05/11/26            Tue 05/12/26            Wed
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                      54          84          47          77          50
Temp             80 68 59 55 59 68 77 82 80 68 57 51 47 58 70 75 77 68 60 53 50
Dewpt            34 37 34 30 30 35 35 34 31 34 33 33 33 34 35 35 34 35 34 35 36
RH               19 32 39 38 33 29 22 18 17 28 40 50 58 40 27 23 21 29 37 50 58
Wind dir          S SE  S SW  W  W NW NW  N NE NE  N  N  E  E  E  E  E  E  E  W
Wind spd          6  8  5  9 13 12  9 10 13 10  6  4  4  4 10 11 11 10  8  4  4
Clouds           SC SC B1 B2 B2 B1 FW SC B1 B1 SC FW SC FW CL CL FW SC SC SC SC
PoP 12hr                      0           5           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/13/26  Thu 05/14/26  Fri 05/15/26  Sat 05/16/26  Sun 05/17/26
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          92      60    80      55    81      51    75      46    69
Temp          81 90 70   62 78 77 62   56 76 76 60   53 70 70 55   48 63 67
Dewpt         38 39 41   40 39 37 39   40 37 34 36   36 33 31 32   30 29 28
PWind dir         S      SW     W      NW     W      NW    NW      NW     W
Wind char        LT      GN    BZ      GN    BZ      GN    GN      GN    BZ
Avg clouds    SC SC SC   B2 B1 SC B1   SC SC FW SC   SC SC SC B1   SC SC SC
PoP 12hr          0       5    30      30    20      20    20      30    10
Rain shwrs                      C  C    S     S  S          S  C    S
Tstms                           C  C          S

$$
MTZ065-111000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
403 PM MDT Sun May 10 2026

Date           05/10/26      Mon 05/11/26            Tue 05/12/26            Wed
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                      50          81          43          81          48
Temp             81 66 61 55 52 66 75 80 79 64 55 47 44 57 70 78 80 66 58 52 50
Dewpt            24 29 28 25 24 30 31 31 29 28 30 30 31 30 34 35 33 36 35 34 31
RH               12 25 28 31 33 26 20 17 16 25 38 51 60 35 26 21 18 33 42 50 48
Wind dir          W SE SW  W  W NW  W  W NW  N  E  E  E  E  E  E  E  E SE SW SW
Wind spd         10  8 11 14 13 14 16 21 16  3  8  8  5  6 11  9 10  9  4  2  4
Wind gust                          28 33
Clouds           FW B1 B1 SC SC FW FW FW SC SC SC SC FW FW FW FW FW FW SC SC SC
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/13/26  Thu 05/14/26  Fri 05/15/26  Sat 05/16/26  Sun 05/17/26
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          89      54    80      48    75      43    69      38    66
Temp          83 85 66   57 76 75 59   51 70 70 54   46 65 64 48   41 59 63
Dewpt         34 38 40   38 36 38 39   37 33 32 34   33 28 27 28   27 24 24
PWind dir        SW      SW    SW      SW     W       W     W       W     W
Wind char        LT      GN    BZ      GN    BZ      BZ    BZ      BZ    BZ
Avg clouds    SC SC B1   B1 B1 B1 B1   SC SC B1 B1   SC B1 B1 B1   SC SC B1
PoP 12hr         10      20    50      40    40      30    30      30    20
Rain shwrs           S       S  C  C    S     C  C    S  S  C  C    S     S
Tstms                           C  S          S                           S

$$
MTZ032-111000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
403 PM MDT Sun May 10 2026

Date           05/10/26      Mon 05/11/26            Tue 05/12/26            Wed
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                      50          82          45          76          46
Temp             74 63 57 54 51 63 77 80 77 65 55 49 45 58 71 75 74 61 54 49 47
Dewpt            38 41 40 39 35 38 39 34 34 36 37 37 35 34 33 32 30 32 31 31 30
RH               27 44 53 57 54 39 25 19 21 34 51 63 68 40 25 21 20 33 41 50 51
Wind dir          S SE SE SE  S  W NW NW NW  N NW NW NW NW NW NW  N  E  E SE SE
Wind spd          5  8  9  9  9 13 19 21 19 10  8  8  8  6  9  8  6  4  5  5  6
Clouds           FW B1 B1 B2 B2 B1 SC FW FW FW FW FW FW CL CL CL FW FW FW FW FW
PoP 12hr                      0           5           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/13/26  Thu 05/14/26  Fri 05/15/26  Sat 05/16/26  Sun 05/17/26
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          89      59    82      53    75      51    71      46    65
Temp          78 85 70   60 79 77 61   55 72 71 58   52 68 67 52   47 61 63
Dewpt         38 40 43   43 43 41 42   42 42 38 41   39 39 36 37   34 34 32
PWind dir        SE      SE    NW      NE    NW      NW    NW      NW     W
Wind char        GN      BZ    BZ      GN    BZ      BZ    BZ      BZ    BZ
Avg clouds    FW FW SC   B1 B1 SC B1   SC SC B1 B1   SC SC SC SC   B1 SC SC
PoP 12hr          0      10    20      30    30      30    20      20    20
Rain shwrs                      S  C       S  C  C    S  S  S  S    S  S
Tstms                           S  C          S

$$
MTZ033-111000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
403 PM MDT Sun May 10 2026

Date           05/10/26      Mon 05/11/26            Tue 05/12/26            Wed
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                      45          82          42          74          41
Temp             71 57 52 50 47 63 79 80 78 62 53 47 43 57 69 72 73 55 49 45 42
Dewpt            36 40 39 37 34 36 39 35 32 35 35 34 33 31 31 29 27 31 29 27 26
RH               28 53 61 61 60 36 24 20 19 36 50 60 67 37 24 20 18 40 46 49 53
Wind dir          W SE SE SE SE  S  W NW NW NW NW NW NW NW NW NW NW  S  N  S SE
Wind spd          4 10 16 16 13 14 19 21 21 13  8  8 10 13 16 14 12  2  0  3  6
Wind gust                             33 32
Clouds           FW SC SC B2 OV SC B1 FW SC FW FW FW FW CL CL CL FW FW FW FW FW
PoP 12hr                      0           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/13/26  Thu 05/14/26  Fri 05/15/26  Sat 05/16/26  Sun 05/17/26
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          85      54    82      50    73      48    69      42    63
Temp          77 83 64   58 80 79 57   53 72 71 54   50 67 67 50   45 61 61
Dewpt         34 38 40   42 43 39 41   41 41 37 40   39 38 35 37   35 33 30
PWind dir        SE      SE     W      NE     S       W     W       W     W
Wind char        GN      BZ    BZ      GN    BZ      BZ    BZ      GN    BZ
Avg clouds    FW SC SC   B1 B1 SC SC   SC SC B1 B1   B1 B1 SC B1   B1 SC SC
PoP 12hr          0       0    10      20    30      30    20      30    20
Rain shwrs                         S    S  S  C  C    C  S  S  C    S  S  S
Tstms                              S          S  S

$$
WYZ199-111000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
403 PM MDT Sun May 10 2026

Date           05/10/26      Mon 05/11/26            Tue 05/12/26            Wed
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                      43          80          41          74          42
Temp             71 57 52 49 45 63 76 78 76 60 53 47 42 55 67 72 73 59 53 48 43
Dewpt            35 39 34 31 27 38 31 32 38 40 37 35 35 36 35 35 36 39 37 34 33
RH               27 51 50 50 49 39 19 19 25 47 54 63 76 49 30 26 26 47 54 58 67
Wind dir          E  S  S  S  S  N NW  N  N NW  W  W  S  N NE NE  E  S  S  S  S
Wind spd          6  5  5  4  4  4 17 10  8  4  6  5  3  2  4  4  6  3  4  3  2
Clouds           FW SC FW B1 B2 SC SC SC B2 B1 SC SC B2 FW CL FW CL FW FW FW FW
PoP 12hr                      0          10          10           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           05/13/26  Thu 05/14/26  Fri 05/15/26  Sat 05/16/26  Sun 05/17/26
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          88      51    78      46    78      43    73      39    66
Temp          80 83 63   54 77 74 56   48 75 73 54   45 70 68 49   41 62 63
Dewpt         44 43 38   38 40 40 40   38 39 37 37   35 36 34 34   31 32 31
PWind dir        SE       S     W       W    NW       W    NW      NW    NW
Wind char        LT      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW FW SC   B1 SC SC B1   SC FW B1 B1   SC SC B1 SC   B1 SC B1
PoP 12hr          0       5    20      30    30      30    40      20    30
Rain shwrs                      S  C    S     C  C          C  S    S     C
Tstms                           S  C          S                           S

$$