FOUS55 KBYZ 211003 PFMBYZ Point Forecast Matrices National Weather Service Billings MT 403 AM MDT Tue Apr 21 2026 MTZ235-212200- Billings-Yellowstone MT 45.81N 108.53W Elev. 3648 ft 403 AM MDT Tue Apr 21 2026 Date Tue 04/21/26 Wed 04/22/26 Thu 04/23/26 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 87 53 79 41 49 Temp 48 59 78 86 86 71 65 58 54 64 77 76 66 58 54 48 43 42 46 48 45 Dewpt 25 27 30 29 30 36 37 37 37 38 32 32 31 31 32 34 32 29 26 23 22 RH 40 29 17 13 13 28 35 45 52 38 19 20 27 36 43 58 65 60 45 37 40 Wind dir SW SW SW SW SW S SW SW SW SW SW W W W W W W NW NW NW NW Wind spd 10 9 8 10 10 5 5 6 10 13 16 23 21 21 24 27 29 32 27 27 21 Wind gust 37 42 39 40 33 Clouds SC FW FW FW SC B2 B2 B1 SC FW B1 B1 B2 B2 OV OV OV OV B2 B2 B2 PoP 12hr 0 10 40 80 70 QPF 12hr 0 0 0 0.15 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C D D L L C C C Snowshwrs S C C Obvis K Wind chill 31 Min chill 31 Date Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 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 30 45 27 49 28 50 30 55 Temp 36 31 42 43 33 28 42 48 34 28 44 48 36 31 48 53 Dewpt 19 18 15 13 14 14 14 15 19 18 20 21 23 24 27 26 PWind dir NW NW NW NW NE NE NE N Wind char BZ BZ GN GN GN GN GN LT Avg clouds B2 B1 B2 B1 B1 B1 SC SC B2 B1 B1 B1 B2 B1 B1 SC PoP 12hr 30 40 10 10 10 20 20 20 Rain shwrs C S S S Snowshwrs C S C C S S S S S $$ MTZ065-212200- Livingston-Park MT 45.70N 110.47W Elev. 4656 ft 403 AM MDT Tue Apr 21 2026 Date Tue 04/21/26 Wed 04/22/26 Thu 04/23/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 47 68 35 45 Temp 45 57 75 80 78 67 59 53 48 58 66 64 59 51 46 42 37 37 42 43 40 Dewpt 19 25 26 23 28 33 35 35 31 33 31 29 27 30 33 32 29 27 26 23 19 RH 35 29 16 12 16 28 40 50 51 39 27 27 29 44 60 67 72 67 53 45 42 Wind dir NW W SW SW SW S S W SW SW SW SW SW SW W W W W W NW NW Wind spd 9 9 13 18 16 11 10 10 12 20 34 32 26 25 23 23 21 25 26 24 20 Wind gust 28 26 23 32 48 44 40 40 36 35 34 36 37 35 31 Clouds SC FW SC B1 B2 OV B2 B2 SC FW B1 B1 B2 B2 OV OV OV OV B2 B2 B2 PoP 12hr 0 5 40 90 80 QPF 12hr 0 0 0 0.21 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L D D D D L L Snowshwrs S S S L L Wind chill 26 31 Min chill 27 26 30 Date Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 25 40 20 46 23 48 27 53 Temp 31 26 35 39 28 21 38 44 31 25 41 46 34 28 48 51 Dewpt 19 16 13 12 13 11 12 13 18 16 17 18 21 21 23 23 PWind dir NW NW NW W NE E E NW Wind char GN BZ GN GN GN GN GN GN Avg clouds B2 B2 B2 B1 B1 B1 SC B1 B1 B1 B1 B1 B2 B1 SC SC PoP 12hr 60 60 20 10 10 20 20 20 Rain shwrs S Snowshwrs L C L C S S S S S $$ MTZ032-212200- Miles City-Custer MT 46.42N 105.90W Elev. 2628 ft 403 AM MDT Tue Apr 21 2026 Date Tue 04/21/26 Wed 04/22/26 Thu 04/23/26 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 86 54 86 38 48 Temp 44 56 76 85 84 70 62 57 54 64 81 86 75 62 55 50 44 41 41 43 41 Dewpt 33 33 36 32 32 34 34 34 32 35 41 37 41 43 42 41 38 39 37 34 30 RH 65 42 23 15 15 26 35 42 43 34 24 18 29 50 61 71 79 92 85 70 65 Wind dir SE SW W SW S E SE E SE S SW SW W W W W W NW NW NW NW Wind spd 4 5 5 4 4 6 8 8 6 9 12 14 16 14 16 20 23 26 27 29 25 Wind gust 39 41 Clouds SC SC FW FW SC SC B1 B2 B2 B1 SC SC B1 B2 B2 B2 OV OV B2 B2 B2 PoP 12hr 0 5 20 70 80 QPF 12hr 0 0 0.02 0.18 0.43 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L D D L L S Tstms S S S Wind chill 30 Min chill 30 31 Date Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 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 29 42 25 44 25 48 27 52 Temp 34 29 39 39 30 27 40 43 30 25 43 46 33 28 45 50 Dewpt 26 23 24 20 21 19 18 18 22 21 23 23 24 25 29 28 PWind dir NW NW NW W N NE NE N Wind char BZ BZ GN GN GN GN GN LT Avg clouds B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 30 10 10 10 20 10 10 Rain shwrs S S Snowshwrs S S C S $$ MTZ033-212200- Baker-Fallon MT 46.38N 104.24W Elev. 2969 ft 403 AM MDT Tue Apr 21 2026 Date Tue 04/21/26 Wed 04/22/26 Thu 04/23/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 50 86 38 49 Temp 42 56 77 84 82 64 57 54 51 62 81 84 80 60 54 49 43 43 43 43 40 Dewpt 32 34 33 31 32 36 35 35 32 34 38 35 32 39 38 38 36 38 37 34 29 RH 67 43 20 15 16 35 43 48 48 35 21 17 17 46 54 66 76 82 79 70 64 Wind dir SE S SW W W SE SE SE S S S S S W W W W W W W NW Wind spd 9 11 12 10 5 5 10 11 12 13 19 19 18 16 13 18 21 27 29 33 28 Wind gust 40 42 47 41 Clouds SC FW FW FW SC SC SC B1 B2 B2 B1 SC SC B1 B1 B1 B2 B2 OV OV B2 PoP 12hr 0 5 10 30 80 QPF 12hr 0 0 0 0 0.42 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C D D L L C Snowshwrs S S C Wind chill 28 Min chill 28 Date Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 26 41 22 41 22 45 25 49 Temp 32 27 37 37 27 25 37 39 26 23 40 42 30 27 43 46 Dewpt 25 21 21 20 19 18 18 18 20 19 23 23 24 24 28 27 PWind dir NW W W W NE NE NE N Wind char WY WY BZ BZ GN GN LT LT Avg clouds B2 B1 B2 B2 B2 SC B1 B2 B1 SC B1 B1 B1 B1 B1 B1 PoP 12hr 30 20 10 10 10 20 20 20 Rain shwrs C S Snowshwrs C S S S S S S S $$ WYZ199-212200- Sheridan-Sheridan WY 44.80N 106.96W Elev. 4019 ft 403 AM MDT Tue Apr 21 2026 Date Tue 04/21/26 Wed 04/22/26 Thu 04/23/26 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 84 48 78 36 49 Temp 43 58 77 83 81 63 58 53 49 60 75 76 65 53 47 44 39 39 45 47 43 Dewpt 23 33 26 29 35 35 34 31 27 35 30 28 32 32 31 30 29 31 30 27 25 RH 45 39 15 14 19 35 40 43 42 39 19 17 29 44 53 57 67 73 55 45 49 Wind dir SW S E SE SE S S SW S S SW SW W W W W NW NW NW NW NW Wind spd 5 2 3 5 5 5 5 5 5 5 14 21 19 12 12 13 18 26 33 33 23 Wind gust 37 46 46 34 Clouds SC SC FW SC SC B1 B1 B2 B1 SC SC SC B1 B1 B2 OV OV OV B2 B2 B2 PoP 12hr 0 5 20 60 80 QPF 12hr 0 0 0 0.08 0.12 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C L L D D L L C Wind chill 28 Min chill 30 28 Date Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 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 24 42 20 46 21 47 26 52 Temp 31 25 37 40 27 21 38 44 29 23 41 45 32 27 46 50 Dewpt 22 17 18 16 15 14 17 18 20 19 23 25 26 24 30 30 PWind dir NW NW NW NW NW N N N Wind char BZ BZ GN GN LT LT LT LT Avg clouds B2 B2 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 50 60 30 20 20 30 20 20 Rain shwrs C S C S S S S Snowshwrs C C L L C S S S S S S C S S S $$