559
FOUS55 KBYZ 200806
PFMBYZ
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BILLINGS MT
206 AM MDT WED MAY 20 2026
MTZ235-202200-
BILLINGS-YELLOWSTONE MT
45.81N 108.53W ELEV. 3648 FT
206 AM MDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 68 43 56 39 69
TEMP 43 42 54 64 66 61 52 49 47 45 45 49 54 54 51 45 41 40 50 62 67 69
DEWPT 28 26 28 30 32 41 45 44 44 42 42 40 39 36 38 36 35 34 36 37 34 33
RH 55 53 36 28 28 48 77 83 89 89 89 71 57 50 61 70 79 79 58 39 29 26
WIND DIR W SW W W W N NE N N N N N NE NW SW SW SW SW SW W W SW
WIND SPD 9 11 12 11 11 13 10 8 10 11 11 6 5 5 4 5 6 8 9 6 4 5
CLOUDS FW SC B1 SC B1 OV OV OV OV OV OV OV OV B2 SC SC FW SC FW FW SC SC
POP 12HR 40 100 80 5 0
QPF 12HR 0 0.28 0.14 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S D D D D D C C C
TSTMS S S S S
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 45 79 51 85 53 89 54 82
TEMP 52 45 71 77 59 53 78 83 62 55 82 85 64 57 76 75
DEWPT 34 33 38 35 38 38 40 37 39 38 41 38 39 41 44 43
PWIND DIR SW SW SW W SW SW SW NW
WIND CHAR LT GN LT GN LT GN GN GN
AVG CLOUDS SC FW FW FW SC SC SC FW SC SC SC FW SC SC SC SC
POP 12HR 0 0 5 0 5 5 10 20
RAIN SHWRS S
TSTMS S
MTZ065-202200-
LIVINGSTON-PARK MT
45.70N 110.47W ELEV. 4656 FT
206 AM MDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 63 36 54 32 67
TEMP 38 37 49 57 61 57 47 43 40 38 39 45 51 52 46 40 36 33 47 59 65 66
DEWPT 28 28 29 30 32 38 41 39 38 36 35 34 35 33 35 32 30 27 30 30 29 29
RH 67 70 46 35 33 49 79 86 92 92 85 65 54 48 65 73 79 78 51 33 26 25
WIND DIR W W W W W NW NE E E NW W E NE E S SW SW SW W W W W
WIND SPD 6 9 11 14 11 11 6 5 3 3 4 5 5 5 2 3 4 5 5 5 6 6
CLOUDS B1 B1 B1 B1 B2 OV OV OV OV OV B2 B2 B2 B1 SC FW FW SC SC SC SC B1
POP 12HR 40 100 80 5 0
QPF 12HR 0 0.42 0.07 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D D D D D L C C
TSTMS C S S S
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 40 76 46 81 48 84 48 74
TEMP 48 41 69 75 56 49 76 79 59 52 80 80 60 52 70 68
DEWPT 31 29 33 34 35 34 34 36 36 34 34 37 36 38 37 40
PWIND DIR SW W SW W SW SW SW SW
WIND CHAR LT GN GN GN GN GN GN GN
AVG CLOUDS SC FW FW SC B1 SC FW SC SC SC SC SC SC SC SC B1
POP 12HR 0 0 5 10 20 20 10 50
RAIN SHWRS S S C
TSTMS S S
MTZ032-202200-
MILES CITY-CUSTER MT
46.42N 105.90W ELEV. 2628 FT
206 AM MDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 72 44 62 40 69
TEMP 43 40 53 67 70 66 56 51 46 45 50 56 59 59 53 47 43 40 51 61 67 68
DEWPT 26 26 30 32 32 39 44 44 42 41 43 41 39 39 42 42 40 38 40 40 38 38
RH 51 57 41 27 24 37 64 77 86 86 77 57 47 47 66 83 89 92 66 46 34 33
WIND DIR S S W W W NW N N N N N N N NW W SW W W W W W NW
WIND SPD 5 5 8 10 10 11 8 5 6 9 10 10 10 9 5 4 4 4 5 5 5 4
CLOUDS B1 SC FW SC SC B1 B2 B2 B2 OV OV OV OV B2 B2 B1 B1 SC FW FW FW SC
POP 12HR 20 60 60 20 5
QPF 12HR 0 0.02 0.04 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C L C C L L L S S
TSTMS S S
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 42 78 48 84 51 90 55 86
TEMP 50 43 71 76 57 49 79 82 61 52 83 87 67 59 81 80
DEWPT 39 37 39 37 40 40 42 39 42 41 43 40 43 46 50 47
PWIND DIR SE S S W S S SE S
WIND CHAR LT LT LT LT LT LT GN BZ
AVG CLOUDS SC SC FW FW FW SC SC FW FW SC SC FW FW SC SC FW
POP 12HR 0 0 0 0 0 0 5 10
MTZ033-202200-
BAKER-FALLON MT
46.38N 104.24W ELEV. 2969 FT
206 AM MDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 72 38 65 38 66
TEMP 41 38 54 69 71 69 54 47 42 39 51 60 62 60 50 46 43 39 51 60 64 65
DEWPT 25 22 25 29 28 32 41 43 40 38 40 41 41 42 43 43 41 38 38 39 37 35
RH 52 52 32 22 20 25 61 86 93 96 66 49 46 51 77 89 93 96 61 46 37 33
WIND DIR S S SW SW SW SW NE E N N N N N N N NW W W NW NW NW NW
WIND SPD 18 12 13 10 10 10 9 5 0 4 9 10 12 12 6 4 3 4 5 8 8 9
CLOUDS B2 B1 SC FW B1 B2 B2 B1 SC OV B2 OV OV B2 B2 B2 B2 B2 B1 SC SC SC
POP 12HR 20 30 60 60 30
QPF 12HR 0 0.08 0.04 0.08 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S L L L L C C C C S S
TSTMS S S S
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 38 76 47 83 50 88 55 86
TEMP 47 40 70 74 54 48 79 81 58 52 85 86 63 58 81 80
DEWPT 39 34 36 34 39 39 39 35 40 40 39 38 43 46 50 48
PWIND DIR SE SW S SW S S SE S
WIND CHAR LT LT LT GN LT GN BZ BZ
AVG CLOUDS SC SC SC FW FW SC SC FW FW FW FW FW FW SC SC FW
POP 12HR 5 5 0 0 0 0 5 5
WYZ199-202200-
SHERIDAN-SHERIDAN WY
44.80N 106.96W ELEV. 4019 FT
206 AM MDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 67 38 49 33 64
TEMP 35 32 48 64 65 65 52 47 43 40 44 45 46 47 43 41 37 34 46 57 62 63
DEWPT 23 22 28 24 26 31 39 39 39 40 41 41 40 37 37 36 33 32 36 35 35 35
RH 61 66 46 22 23 28 61 74 86100 89 86 79 68 79 82 85 92 68 43 36 35
WIND DIR S SW N NE N NW W NW NW NW NW NW NW W W W SW SW NW N N NW
WIND SPD 4 3 2 3 4 5 13 3 2 3 9 12 12 11 4 4 3 2 1 3 3 4
CLOUDS SC FW SC SC SC SC B2 B1 B1 OV OV OV OV B2 B2 B1 B1 SC SC FW SC SC
POP 12HR 20 20 100 50 10
QPF 12HR 0 0 0.32 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S S L D D D C C C C
TSTMS S S S
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 35 73 40 81 43 87 45 82
TEMP 43 36 68 71 49 42 77 78 54 45 83 83 58 52 76 75
DEWPT 34 30 36 36 35 34 39 38 37 35 39 37 36 39 45 43
PWIND DIR SW N S NW SW S SW SE
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS SC FW FW FW FW FW FW FW FW FW SC FW FW SC SC SC
POP 12HR 0 5 0 5 0 5 5 20
RAIN SHWRS S
TSTMS S
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