Point Forecast Matrices
Issued by NWS Billings, MT

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704
FOUS55 KBYZ 170219
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
819 PM MDT Sun Aug 16 2026

MTZ235-171000-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
819 PM MDT Sun Aug 16 2026

Date           08/16/26      Mon 08/17/26            Tue 08/18/26            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                      59          82          60          78          57
Temp                73 66 62 59 64 75 81 80 70 66 63 61 63 72 77 76 67 62 59 58
Dewpt               53 54 52 52 53 53 52 52 53 54 53 53 54 54 53 54 55 54 52 52
RH                  49 65 70 78 67 46 37 38 55 65 70 75 72 53 43 46 65 75 78 80
Wind dir            NW NW  W  W SW SW NE NE NE  W  W  W SW  W  W NW SW SW SW SW
Wind spd             6  8  6  6  5  3  5  6  5  5  4  4  4  4  6  6  4  5  6  8
Clouds              B2 B2 SC SC SC SC SC B2 OV OV OV B2 B1 B1 SC B1 B1 B1 SC SC
PoP 12hr                     20           5          30          30          30
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S                 C  C  S  S        C  C  C  C
Tstms                                     S                    S  S


Date           08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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          84      59    89      61    90      64    90      63    88
Temp          77 84 67   60 82 87 70   62 82 88 72   64 82 86 70   64 81 84
Dewpt         52 45 47   47 49 44 46   48 50 49 50   51 53 54 56   55 53 52
PWind dir         W      SW     W      NE     N       E    SW       W     W
Wind char        LT      LT    LT      LT    LT      GN    LT      LT    LT
Avg clouds    SC FW FW   SC SC FW FW   SC SC SC B1   B1 B1 B1 B1   B1 B1 SC
PoP 12hr          0       0     0       5     5      30    20      40    20
Rain shwrs                                       C    S     S  C          S
Tstms                                                          S

$$
MTZ065-171000-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
819 PM MDT Sun Aug 16 2026

Date           08/16/26      Mon 08/17/26            Tue 08/18/26            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                      46          81          50          77          46
Temp                66 59 54 49 57 74 80 77 66 62 57 52 58 72 77 74 63 58 52 47
Dewpt               48 49 48 46 46 48 43 44 48 49 49 48 48 48 46 46 50 49 46 44
RH                  52 69 80 89 67 40 27 31 52 62 75 86 69 42 33 37 62 72 80 89
Wind dir            SW  W NW NW NW NW NW NW SW  W  W  W  W  W  W NW  S SW SW  W
Wind spd             8  5  5  5  4  4 11  8  5  4  4  5  5  4  9  9  5  4  6  6
Wind gust                             21 18
Clouds              B2 B1 SC SC SC SC B2 OV OV OV B2 B2 B1 SC SC B1 B1 SC SC SC
PoP 12hr                     50          20          40          30          40
QPF 12hr                   0.07           0        0.06           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C                 S  C  C  C  C  C  C  C  C  C  C
Tstms                                  S  C                 S  C  S
Obvis                        PF


Date           08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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          82      49    88      53    89      55    87      52    84
Temp          75 82 63   52 80 85 67   54 81 85 68   56 80 81 65   54 78 79
Dewpt         46 39 42   42 44 39 44   44 47 46 50   50 50 50 53   51 49 45
PWind dir         W      SW     W      SE     S      SE    SW      SW     W
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC FW FW   SC SC FW FW   SC SC SC B1   B1 B1 B1 B1   SC SC B1
PoP 12hr          0       0     0       5    20      30    40      50    30
Rain shwrs                                    S  C          C  C    S     C
Tstms                                                       C  S          S

$$
MTZ032-171000-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
819 PM MDT Sun Aug 16 2026

Date           08/16/26      Mon 08/17/26            Tue 08/18/26            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                      58          84          58          81          56
Temp                71 65 61 58 66 76 82 82 71 65 61 59 64 73 78 79 69 64 60 57
Dewpt               56 56 54 53 54 54 53 52 54 54 53 54 54 55 54 51 53 54 54 53
RH                  59 73 78 83 65 46 37 35 55 68 75 83 70 53 43 38 57 70 81 86
Wind dir             E  S  W  W NW NW NW  N NE  E SE  E  E  E NE NE SE  S  S  S
Wind spd             3  3  3  3  3  3  4  5  4  3  3  3  2  3  3  4  4  3  3  3
Clouds              SC B1 B1 SC FW B1 SC B1 B2 B2 OV B2 SC B1 B1 B1 B1 B1 SC SC
PoP 12hr                     30           5          40          20          30
QPF 12hr                   0.01           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           S  S                 C  C  C  C        S  S  C  C  S  S
Tstms                                     S                 S  S  S


Date           08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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          87      58    91      59    91      63    90      65    91
Temp          77 86 67   59 84 89 69   60 84 89 72   64 82 89 72   65 84 89
Dewpt         55 47 50   50 49 43 48   49 50 48 50   52 56 54 56   57 57 52
PWind dir        SW      SE    SW      NE     E       E    SE      SE     W
Wind char        LT      LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    SC FW FW   FW FW FW FW   FW SC SC SC   SC SC SC SC   SC SC SC
PoP 12hr          5       5     0       0     5      20    10      20    10
Rain shwrs                                            S        S    S
Tstms                                                          S

$$
MTZ033-171000-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
819 PM MDT Sun Aug 16 2026

Date           08/16/26      Mon 08/17/26            Tue 08/18/26            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                      53          84          52          82          51
Temp                67 62 58 54 68 79 81 79 68 63 58 54 65 76 78 77 67 62 57 53
Dewpt               56 55 52 50 52 51 49 48 51 51 50 49 50 51 50 49 51 52 51 49
RH                  68 78 80 86 57 38 33 34 54 65 75 83 58 42 37 37 56 70 80 86
Wind dir            SE  S  S  W NW NW NW NW NE  E SE  N SE NW NW  N  E SE SE  S
Wind spd             5  4  4  4  6 10 11  9  4  3  1  0  3  5  5  8  6  5  4  2
Clouds              B1 SC B1 SC FW SC B1 B1 B1 OV OV OV SC SC B1 SC B1 SC SC SC
PoP 12hr                     40           5          30          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C  S                 C  C  C  C              S  S  S  S
Tstms                S                       S                    S  S     S


Date           08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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          86      54    90      55    89      57    90      59    90
Temp          79 81 64   58 86 87 66   58 85 87 68   60 84 86 70   62 85 86
Dewpt         51 47 51   50 45 41 48   48 46 44 49   50 52 52 54   54 57 53
PWind dir        SW       S     W      NE    NE       E    SE      SE     W
Wind char        LT      LT    LT      LT    LT      GN    BZ      BZ    GN
Avg clouds    SC SC FW   FW FW FW FW   SC SC FW FW   SC SC SC SC   B1 SC SC
PoP 12hr         10      10     0       0     0      10    10      20    20
Rain shwrs                                                     S    S     S
Tstms                                                          S    S     S

$$
WYZ199-171000-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
819 PM MDT Sun Aug 16 2026

Date           08/16/26      Mon 08/17/26            Tue 08/18/26            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                      51          82          53          77          50
Temp                68 61 55 52 63 76 81 79 66 61 57 55 62 73 75 74 63 59 54 51
Dewpt               55 53 49 47 49 50 50 50 52 52 51 50 51 52 52 52 53 53 51 49
RH                  63 75 80 83 60 40 34 36 61 72 80 83 67 48 45 46 70 80 90 93
Wind dir            SW SW  W  W  N  N NE  N SW  S SW  W SW NE NW NW SW SW SW SW
Wind spd             3  3  2  1  0  2  3  4  2  1  1  1  1  3  4  4  3  1  1  1
Clouds              SC SC SC SC SC FW SC B1 B2 B2 OV OV B2 B1 B1 B1 B1 B1 SC SC
PoP 12hr                     30          10          30          50          30
QPF 12hr                      0           0           0        0.05        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs           C                    C  C  C  C  S  S  C  C  C  C
Tstms                                     S                 S  C  S
Obvis                                                                     PF


Date           08/19/26  Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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          82      51    88      54    91      58    90      58    87
Temp          76 80 60   52 82 86 63   55 84 88 67   59 84 87 66   59 82 83
Dewpt         49 45 48   46 45 43 47   46 46 46 49   49 50 50 53   51 52 51
PWind dir        NW      SW    NE      SW    NE       S    NE      SW    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW   FW SC FW FW   SC SC FW SC   B1 B1 SC SC   SC SC B1
PoP 12hr         10       5     5       0     5      10    20      20    30
Rain shwrs                                                  S  S          C
Tstms                                                       S  S          S

$$