609
FOUS55 KBYZ 212202
PFMBYZ
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BILLINGS MT
402 PM MDT THU MAY 21 2026
MTZ235-221000-
BILLINGS-YELLOWSTONE MT
45.81N 108.53W ELEV. 3648 FT
402 PM MDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 39 68 43 78 50
TEMP 55 50 45 41 39 49 61 65 66 58 51 45 44 55 70 76 77 66 58 53 51
DEWPT 35 38 36 35 33 35 37 33 31 35 35 34 34 35 39 37 35 38 38 37 36
RH 47 63 70 79 79 58 41 30 27 42 54 65 68 47 32 24 22 36 47 54 56
WIND DIR N W W W SW W W W S S SW SW SW SW SW SW SW S SW SW SW
WIND SPD 4 4 6 8 10 11 6 4 4 4 4 4 8 9 6 6 6 5 6 8 10
CLOUDS B2 B1 B1 FW FW FW FW SC B1 SC SC B1 SC FW FW FW SC SC SC FW SC
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS
DATE 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 56 87 54 78 52 79
TEMP 78 85 64 56 83 87 67 58 80 81 63 56 71 75 60 54 72 78
DEWPT 39 35 39 39 43 38 39 40 43 41 42 43 43 41 41 41 42 39
PWIND DIR SW SW SW S S NW S N SW
WIND CHAR GN LT LT GN GN GN LT GN LT
AVG CLOUDS FW FW SC FW FW FW SC SC SC SC B1 B1 B1 B1 SC SC SC SC
POP 12HR 0 0 5 5 20 40 40 20 20
RAIN SHWRS S C C C C S S
TSTMS S S S S
MTZ065-221000-
LIVINGSTON-PARK MT
45.70N 110.47W ELEV. 4656 FT
402 PM MDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 38 75 46
TEMP 51 45 38 33 31 45 58 63 63 54 47 42 39 53 68 73 74 61 55 49 47
DEWPT 33 34 32 29 27 30 31 29 28 34 32 31 30 32 35 34 35 37 35 33 32
RH 50 65 79 85 85 55 36 27 26 46 56 65 70 44 29 24 24 41 47 54 56
WIND DIR SW SW SW W W W SW W W SE SW W W W W W W SW SW SW SW
WIND SPD 8 4 5 5 6 5 5 6 4 3 3 5 6 5 9 12 10 4 6 8 9
CLOUDS B1 FW FW FW SC SC SC SC B1 B1 B1 B1 SC FW FW SC SC B1 FW FW FW
POP 12HR 20 0 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS
DATE 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 48 84 49 78 45 71 44 73
TEMP 76 79 59 51 80 80 61 53 74 72 56 48 65 68 55 47 68 70
DEWPT 34 36 36 36 35 41 38 36 37 41 41 39 37 39 38 36 36 38
PWIND DIR W SW SW S SW W W SW SW
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW SC SC SC SC B1 SC SC B1 B1 B1 B1 B2 B1 SC SC B1
POP 12HR 5 5 10 10 50 50 60 30 40
RAIN SHWRS C C C S L C C
TSTMS S S S C
MTZ032-221000-
MILES CITY-CUSTER MT
46.42N 105.90W ELEV. 2628 FT
402 PM MDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 39 68 40 77 47
TEMP 55 50 45 41 40 51 61 66 67 56 48 42 41 55 70 75 76 64 56 49 48
DEWPT 41 41 40 38 38 39 40 38 37 38 38 36 35 37 39 39 39 40 40 37 38
RH 59 71 82 89 92 63 46 36 33 51 68 79 79 51 32 27 26 41 55 63 68
WIND DIR N N NW W W NW NW NW NW NE S S S S SW SW W SE S S S
WIND SPD 8 4 5 5 5 8 9 10 6 3 2 2 3 3 4 5 5 4 5 5 4
CLOUDS OV OV OV B1 SC SC FW FW SC SC SC SC FW FW FW FW FW FW FW FW SC
POP 12HR 20 0 0 0 0
QPF 12HR 0.02 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
DATE 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 52 91 59 91 57 80 54 82
TEMP 79 85 62 53 85 89 69 61 86 86 68 59 75 77 63 55 76 79
DEWPT 41 37 40 40 42 40 44 43 46 44 47 46 46 44 47 46 47 44
PWIND DIR SW SE S SE SE S SE SE S
WIND CHAR LT LT LT GN BZ WY BZ BZ GN
AVG CLOUDS FW FW FW SC FW CL FW SC SC FW SC B1 B1 B1 SC SC SC SC
POP 12HR 0 0 0 5 5 20 30 20 20
RAIN SHWRS S C S S
TSTMS S S S
MTZ033-221000-
BAKER-FALLON MT
46.38N 104.24W ELEV. 2969 FT
402 PM MDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 37 64 36 75 43
TEMP 55 48 45 42 38 49 58 62 64 51 44 41 38 56 69 72 74 58 52 48 45
DEWPT 41 42 43 41 37 37 38 37 36 38 38 36 32 33 35 34 35 39 39 37 35
RH 59 80 93 96 96 63 47 39 35 61 79 82 79 42 28 25 24 49 61 65 68
WIND DIR N N NW NW NW NW NW N N N N N S SW W W W S S S S
WIND SPD 17 10 8 6 6 10 12 12 9 1 0 0 2 3 5 6 6 4 8 8 5
CLOUDS B2 OV OV OV OV B1 B1 B1 SC SC SC SC SC FW FW FW FW SC FW FW FW
POP 12HR 90 30 0 0 0
QPF 12HR 0.24 0.05 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L D L C C C C S
TSTMS S
DATE 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 52 91 58 89 56 79 52 79
TEMP 80 84 59 53 87 89 67 59 87 85 65 57 75 76 61 53 75 77
DEWPT 38 35 40 39 38 37 46 46 45 42 47 47 45 42 46 46 45 42
PWIND DIR SW SW S SE SE SE SE SE S
WIND CHAR GN LT LT GN BZ WY WY BZ GN
AVG CLOUDS FW FW FW FW FW FW FW SC SC FW SC B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 0 0 0 5 20 40 30 30
RAIN SHWRS S S S C C S C
TSTMS S S S
WYZ199-221000-
SHERIDAN-SHERIDAN WY
44.80N 106.96W ELEV. 4019 FT
402 PM MDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 62 34 72 39
TEMP 44 41 37 33 31 45 57 61 62 49 42 38 35 50 66 70 71 57 49 45 41
DEWPT 38 36 33 30 30 34 36 35 35 37 33 31 30 35 37 37 37 40 35 33 32
RH 79 82 85 89 96 65 45 38 36 63 70 76 82 56 34 30 29 53 58 62 70
WIND DIR NW W W W W NW NW NW NW SW SW S S N N N NE S SW SW SW
WIND SPD 11 4 5 5 3 2 11 8 3 3 3 2 1 0 3 2 3 2 4 4 2
CLOUDS B2 B2 B1 FW FW FW FW FW SC SC SC SC B1 FW FW FW FW FW SC FW FW
POP 12HR 50 0 0 5 0
QPF 12HR 0.04 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C S
DATE 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 81 44 86 47 86 46 75 44 78
TEMP 78 79 55 46 82 83 59 49 81 80 60 48 70 72 57 46 72 75
DEWPT 41 38 38 36 41 39 37 37 41 40 41 41 42 40 40 38 41 39
PWIND DIR NW SW S S SE S SE S SW
WIND CHAR LT LT LT LT GN BZ GN GN LT
AVG CLOUDS FW FW FW FW FW FW FW FW SC SC B1 B1 B1 B1 B1 SC SC B1
POP 12HR 5 0 5 0 10 40 50 30 30
RAIN SHWRS C C C C C C
TSTMS S S S S
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