


Point Forecast Matrices
Issued by NWS Billings, MT
Issued by NWS Billings, MT
909 FOUS55 KBYZ 171124 PFMBYZ Point Forecast Matrices National Weather Service Billings MT 524 AM MDT Sat May 17 2025 MTZ235-172200- Billings-Yellowstone MT 45.81N 108.53W Elev. 3648 ft 524 AM MDT Sat May 17 2025 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 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 49 65 45 53 Temp 45 54 63 68 67 60 56 51 49 54 61 65 57 51 49 48 45 46 50 52 53 Dewpt 41 45 44 42 43 44 42 43 43 46 48 49 47 44 41 40 38 38 41 41 43 RH 86 71 50 39 42 55 59 74 80 74 62 56 69 77 74 74 76 73 71 66 69 Wind dir W SW SE E E E E NE NE NE N N NW NW NW NW NW NW NW N N Wind spd 4 3 5 8 11 12 14 10 8 9 10 13 19 24 23 21 20 18 16 14 11 Clouds B1 B1 SC SC B1 B2 B2 OV B2 B2 OV B2 OV OV OV OV OV B2 B2 B2 B2 PoP 12hr 20 20 90 90 70 QPF 12hr 0 0 0.33 0.52 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S D D D D L L L L L L C Tstms S S C C C C Obvis PF Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 43 66 44 68 47 68 45 67 Temp 47 43 62 65 50 44 63 67 53 47 65 66 52 45 61 65 Dewpt 41 38 39 40 40 38 40 41 41 39 43 44 41 38 41 42 PWind dir NW W NW W E NW NW N Wind char LT GN GN GN LT GN GN LT Avg clouds B2 B2 B1 B1 B1 SC SC B1 SC B1 B1 B1 B1 SC SC B1 PoP 12hr 40 30 50 30 30 50 40 30 Rain shwrs C S S C C S S C S C S C C S S C Tstms S S S S S $$ MTZ065-172200- Livingston-Park MT 45.70N 110.47W Elev. 4656 ft 524 AM MDT Sat May 17 2025 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 65 44 55 36 57 Temp 40 50 60 65 62 52 50 45 44 55 55 55 53 46 41 39 36 41 48 54 57 Dewpt 37 41 40 40 40 40 42 40 40 48 46 43 39 36 33 32 29 30 32 33 33 RH 89 71 47 40 44 63 74 82 86 77 72 64 59 68 73 76 75 65 54 45 40 Wind dir W W E E E E E SE E W W W W W W W W W W W W Wind spd 4 4 9 11 16 14 10 6 5 10 14 16 19 19 16 16 13 16 20 18 17 Clouds B2 B1 SC B1 B1 OV OV B2 OV OV OV OV B2 OV OV B2 B2 B1 B2 B2 B2 PoP 12hr 40 60 90 70 50 QPF 12hr 0.01 0.04 0.44 0.40 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L L C D D D D L L C C C C S S S Tstms S S S S S Obvis PF Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 38 63 38 66 41 65 39 67 Temp 43 38 59 61 45 38 59 65 46 41 60 63 46 39 60 65 Dewpt 34 31 35 36 36 31 34 34 35 33 41 40 35 31 38 39 PWind dir W W W W S W W W Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B1 SC B1 B1 B1 SC SC B1 B1 B1 B1 B1 SC SC B1 PoP 12hr 20 40 50 20 30 50 30 30 Rain shwrs S C C S S C C C C C S C Tstms S S S S S $$ MTZ032-172200- Miles City-Custer MT 46.42N 105.90W Elev. 2628 ft 524 AM MDT Sat May 17 2025 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 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 47 69 45 51 Temp 40 53 63 68 68 58 53 49 47 53 64 69 64 56 50 46 45 45 48 50 51 Dewpt 36 40 41 41 42 42 42 40 40 43 47 48 49 46 44 42 41 43 44 44 45 RH 85 61 44 37 39 55 66 71 76 69 54 47 58 69 80 86 86 93 86 80 80 Wind dir E SE SE SE E E E E E E E E E E E E E E E NE NE Wind spd 5 8 9 11 13 14 14 16 16 20 24 26 21 20 16 14 13 12 13 12 11 Wind gust 36 Clouds B1 SC SC FW SC SC B1 B1 B1 B1 B2 B1 B2 OV OV OV OV OV OV OV OV PoP 12hr 10 10 40 90 90 QPF 12hr 0 0 0.04 0.25 0.36 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C D D D D D D D D L Tstms S S S S Obvis PF Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 61 41 66 45 69 46 66 Temp 45 42 53 60 48 42 61 65 50 45 64 67 52 46 61 65 Dewpt 43 41 44 45 43 39 44 41 41 41 46 45 44 42 43 42 PWind dir E N E W E SW NW W Wind char LT LT LT LT LT GN GN GN Avg clouds OV B2 B2 B2 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 PoP 12hr 70 40 30 40 20 40 40 30 Rain shwrs L C C C C C C C S S S C C C C C $$ MTZ033-172200- Baker-Fallon MT 46.38N 104.24W Elev. 2969 ft 524 AM MDT Sat May 17 2025 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 63 40 58 40 50 Temp 33 50 59 63 61 49 46 42 41 48 54 58 55 48 44 41 40 44 46 48 50 Dewpt 33 40 41 41 41 39 38 37 36 39 42 44 42 40 39 38 38 41 41 43 44 RH 100 68 51 44 48 68 73 82 82 71 64 59 61 74 82 89 92 89 83 83 80 Wind dir E SE E E E E SE SE E SE SE SE SE E E E E E E E E Wind spd 2 4 8 11 16 17 18 23 23 28 32 33 27 26 21 19 17 17 17 16 14 Wind gust 28 34 40 44 46 40 36 Clouds SC SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV OV OV PoP 12hr 5 20 40 80 90 QPF 12hr 0 0 0.01 0.10 0.34 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L L D D D D D D D Tstms S S S Obvis PF Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 37 53 36 62 39 67 41 64 Temp 40 38 48 52 40 37 57 61 43 40 62 64 46 42 58 62 Dewpt 40 38 42 42 38 36 42 42 38 37 45 43 40 38 41 40 PWind dir E NE SE SW S SW S W Wind char GN LT GN GN LT GN GN GN Avg clouds OV OV B2 B2 B2 B1 B1 B1 SC SC SC B1 B1 B1 SC B1 PoP 12hr 80 50 30 30 20 30 40 30 Rain shwrs D L C C C C S C S C C C S C $$ WYZ199-172200- Sheridan-Sheridan WY 44.80N 106.96W Elev. 4019 ft 524 AM MDT Sat May 17 2025 Date Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 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 44 70 39 48 Temp 36 50 62 67 67 54 47 45 45 57 70 68 63 52 47 42 39 41 46 48 48 Dewpt 33 39 40 41 40 42 40 40 40 47 48 48 49 48 44 40 37 37 40 40 41 RH 89 66 44 39 37 64 76 82 82 69 45 49 60 86 89 93 92 85 79 74 77 Wind dir SW NE E E E E SE S SE SE SE SE E SW NW NW NW NW NW NW NW Wind spd 2 2 5 6 8 5 5 5 5 5 8 10 12 14 16 16 17 18 19 18 14 Clouds FW SC SC SC SC B1 B1 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV PoP 12hr 30 20 90 90 90 QPF 12hr 0 0 0.21 0.75 0.44 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S D D D D D D D D D D L Tstms S S C C C C Obvis PF Flood A A A A A A A A A A Date Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 63 37 66 40 70 40 66 Temp 39 39 58 62 44 38 62 64 45 41 66 66 48 40 60 63 Dewpt 37 35 41 41 38 34 43 44 38 34 45 46 41 36 42 43 PWind dir NW NW SW NW S NW NW N Wind char GN GN LT LT LT LT LT LT Avg clouds OV B2 B2 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC B1 PoP 12hr 60 40 40 40 10 40 30 30 Rain shwrs L C C C C C C C S C C S S C Tstms S S S S $$