652
FOUS55 KBYZ 190041
PFMBYZ
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BILLINGS MT
641 PM MDT MON MAY 18 2026
MTZ235-191000-
BILLINGS-YELLOWSTONE MT
45.81N 108.53W ELEV. 3648 FT
641 PM MDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 30 67 42 71 43
TEMP 44 37 32 30 44 59 64 65 57 48 44 43 54 67 70 65 56 51 47 44
DEWPT 27 28 27 26 26 25 23 24 29 28 26 24 26 31 33 35 40 41 41 39
RH 51 70 81 85 49 27 21 21 34 46 49 47 34 26 25 33 55 68 79 82
WIND DIR E SE SW SW SW SW SW SW SE SW SW SW W W W N N N NW N
WIND SPD 5 4 4 5 11 10 10 10 8 6 11 14 14 8 9 9 9 9 9 10
CLOUDS FW FW FW FW FW FW SC B1 B2 SC SC B1 SC SC B1 B2 OV OV B2 B2
POP 12HR 0 10 10 10 80
QPF 12HR 0 0 0 0 0.18
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D D D D L
TSTMS S
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 61 40 68 43 79 49 85 52 88
TEMP 52 61 49 42 61 67 52 46 70 76 58 52 78 82 62 54 81 84
DEWPT 41 37 37 36 38 34 36 36 39 36 37 37 39 34 37 36 37 36
PWIND DIR N W SW S SW SW SW W SW
WIND CHAR GN LT LT LT LT LT GN LT GN
AVG CLOUDS B2 B1 B1 B1 SC SC SC SC SC FW SC SC FW FW SC SC FW FW
POP 12HR 70 20 10 5 0 5 5 5 5
RAIN SHWRS L C S
TSTMS S
MTZ065-191000-
LIVINGSTON-PARK MT
45.70N 110.47W ELEV. 4656 FT
641 PM MDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 26 62 36 65 36
TEMP 40 33 29 27 42 56 60 60 51 44 39 37 50 61 64 60 51 46 41 38
DEWPT 26 25 23 20 20 22 22 22 28 28 27 26 27 30 32 34 40 39 37 34
RH 57 72 78 74 41 26 23 23 41 53 62 64 41 31 30 37 66 76 85 85
WIND DIR E W NW W SW W W W SW SW W W W W W W NE E N NW
WIND SPD 6 3 5 5 11 13 11 9 5 5 8 8 8 11 10 9 5 3 4 4
CLOUDS FW FW FW FW FW SC B1 B1 B2 B1 SC SC B1 B1 B1 OV OV OV OV B2
POP 12HR 20 20 20 30 90
QPF 12HR 0 0 0 0 0.26
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C D D D D D
SNOWSHWRS
TSTMS S S
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 57 34 66 38 75 45 81 47 83
TEMP 47 57 45 37 59 65 49 42 69 74 56 48 75 78 58 51 78 79
DEWPT 35 34 33 31 32 32 33 32 32 32 34 33 32 32 34 32 32 35
PWIND DIR NW SW W SW W SW SW SW SW
WIND CHAR LT LT LT LT GN GN GN GN BZ
AVG CLOUDS B2 B1 B1 SC SC SC SC SC SC SC B1 SC SC SC SC FW SC SC
POP 12HR 80 20 10 5 5 5 5 5 10
RAIN SHWRS D C S
TSTMS S
MTZ032-191000-
MILES CITY-CUSTER MT
46.42N 105.90W ELEV. 2628 FT
641 PM MDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 30 65 40 73 44
TEMP 43 38 32 30 41 54 62 64 54 49 44 40 53 69 72 69 59 53 47 45
DEWPT 31 33 32 30 29 27 27 27 29 27 27 26 29 35 33 36 41 43 41 40
RH 62 82100100 62 35 26 24 38 42 51 57 39 28 24 30 51 69 79 82
WIND DIR N NW W SW S SW SW S SE S S S SW W W NW N NW NW NW
WIND SPD 8 3 3 2 5 5 5 6 8 9 6 6 6 6 6 9 8 8 6 9
CLOUDS OV FW FW FW CL FW FW SC SC SC SC SC SC SC SC B1 B2 B2 B2 B2
POP 12HR 0 0 10 5 40
QPF 12HR 0 0 0 0 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C C
OBVIS PF
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 65 40 69 42 77 47 83 51 87
TEMP 60 61 49 42 63 67 51 44 71 75 57 49 78 81 61 53 81 85
DEWPT 43 40 41 39 40 37 39 38 40 38 41 40 41 37 41 40 42 39
PWIND DIR N NW NW SE S S W SW SW
WIND CHAR GN LT LT LT LT LT LT GN GN
AVG CLOUDS B2 B1 B1 SC SC SC SC SC SC FW FW SC SC FW SC SC FW FW
POP 12HR 40 20 10 5 0 5 5 5 0
RAIN SHWRS C C S
MTZ033-191000-
BAKER-FALLON MT
46.38N 104.24W ELEV. 2969 FT
641 PM MDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 60 36 73 39
TEMP 39 35 31 29 39 51 58 60 48 43 40 37 54 70 72 70 55 49 44 40
DEWPT 33 32 30 29 27 24 22 21 24 24 25 22 25 29 29 32 39 41 40 38
RH 79 89 96100 62 34 25 22 39 47 55 54 32 22 20 24 55 74 86 92
WIND DIR NW NW W N W W W W SE SE S S S SW SW SW NE SE N N
WIND SPD 10 4 1 0 6 6 6 4 8 12 12 12 14 12 11 12 10 8 5 5
CLOUDS OV B2 SC SC CL CL FW FW SC SC SC B1 SC SC SC SC B1 B1 B1 B2
POP 12HR 20 0 0 5 20
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C
OBVIS PF
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 66 37 66 40 75 46 83 49 86
TEMP 62 60 46 41 61 64 48 42 70 74 54 48 79 81 59 51 82 84
DEWPT 40 37 41 39 37 35 39 38 37 35 41 40 38 35 40 40 39 37
PWIND DIR N NW NW SE SW S SW S SW
WIND CHAR GN LT LT LT LT LT LT GN GN
AVG CLOUDS B2 B1 B1 B1 B1 B1 SC SC SC FW FW SC FW FW SC SC FW FW
POP 12HR 50 30 20 20 5 5 5 5 5
RAIN SHWRS C C C S S S S
TSTMS S S
WYZ199-191000-
SHERIDAN-SHERIDAN WY
44.80N 106.96W ELEV. 4019 FT
641 PM MDT MON MAY 18 2026
DATE 05/18/26 TUE 05/19/26 WED 05/20/26 THU
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 24 60 31 67 36
TEMP 37 31 26 24 40 54 58 58 47 39 34 32 48 64 66 65 52 47 41 37
DEWPT 29 27 23 21 24 25 25 27 31 28 25 24 29 31 32 32 36 36 34 35
RH 72 85 88 88 52 32 28 30 53 64 69 72 47 29 28 29 54 65 76 92
WIND DIR NW W SW SW SE E SE SE S S S SW N N NW NW NW NW NW W
WIND SPD 8 3 2 2 3 5 4 9 5 5 3 2 1 3 2 4 3 3 2 2
CLOUDS B2 CL FW FW FW FW FW SC SC SC SC B1 SC SC SC SC B2 B1 B2 B2
POP 12HR 5 5 0 10 30
QPF 12HR 0 0 0 0 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26 MON 05/25/26
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 55 33 64 35 74 40 82 43 86
TEMP 50 55 43 35 58 62 45 37 68 72 50 42 77 78 54 44 81 82
DEWPT 41 37 37 34 37 36 36 33 38 37 36 34 37 37 36 34 39 37
PWIND DIR NW W NW SW NW SW NW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 OV B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW FW FW FW
POP 12HR 90 40 30 10 10 0 5 5 5
RAIN SHWRS L D C C C C
TSTMS C
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