Point Forecast Matrices
Issued by NWS Billings, MT
Issued by NWS Billings, MT
638 FOUS55 KBYZ 181314 PFMBYZ Point Forecast Matrices National Weather Service Billings MT 713 AM MDT Fri Sep 18 2026 MTZ235-182200- Billings-Yellowstone MT 45.81N 108.53W Elev. 3648 ft 713 AM MDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 80 55 61 53 63 Temp 61 74 79 76 68 62 60 57 57 59 59 59 57 57 56 55 53 58 63 61 Dewpt 51 54 52 54 54 56 56 55 57 59 58 58 54 54 54 54 53 57 57 56 RH 70 50 39 46 61 81 87 93100100 96 96 90 90 93 96100 96 81 84 Wind dir W NW NE NE N N N N NE NE N N N NW NW NW NW N N NE Wind spd 6 5 8 12 9 6 9 9 9 10 11 12 11 11 11 11 9 8 8 6 Clouds SC SC SC B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 PoP 12hr 20 90 100 90 80 QPF 12hr 0 0.38 0.76 0.34 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L D D L L L D D D D D D D D L L S Tstms S C C S S S C C C S S Obvis PF PF PF PF Flood A A A A A A A A A A A A A A A A Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 50 72 51 77 52 77 52 79 Temp 55 50 62 70 58 52 70 75 60 53 71 75 59 53 72 76 Dewpt 52 50 54 53 49 46 52 52 48 46 50 51 47 44 49 49 PWind dir NE S S SW SE W SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 FW FW SC SC SC FW SC SC FW FW FW SC FW PoP 12hr 20 0 0 0 5 5 5 0 Rain shwrs S $$ MTZ065-182200- Livingston-Park MT 45.70N 110.47W Elev. 4656 ft 713 AM MDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 49 60 46 66 Temp 57 70 74 69 60 58 54 51 51 54 58 56 53 51 48 47 49 58 66 64 Dewpt 51 52 50 52 53 55 53 51 51 53 52 49 48 49 47 47 48 49 47 45 RH 80 53 43 55 78 90 96100100 96 80 77 83 93 96100 96 72 50 50 Wind dir W W E E SE E E E W W NW NW W W W W W W W W Wind spd 9 4 9 11 8 9 8 5 5 8 8 5 4 2 3 4 4 3 4 5 Clouds B1 B1 B2 OV OV OV B2 OV OV OV OV OV OV OV OV B2 B2 B1 SC SC PoP 12hr 60 100 90 80 50 QPF 12hr 0.04 0.34 0.79 0.33 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L L D L D L L D D D D L L C C S S Tstms S C C S S S S S C C S S S Obvis PF PF PF PF PF PF PF PF Flood A A A A A A A A A A A A A A A A Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 44 74 46 77 47 77 47 79 Temp 50 44 66 71 53 47 70 72 55 47 70 74 55 47 71 75 Dewpt 45 42 46 42 42 40 42 40 40 39 41 40 39 38 40 40 PWind dir SW W SW W S W SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW SC SC SC SC SC FW FW FW FW FW FW PoP 12hr 5 0 0 5 5 5 5 0 $$ MTZ032-182200- Miles City-Custer MT 46.42N 105.90W Elev. 2628 ft 713 AM MDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 57 65 53 64 Temp 62 74 81 80 71 65 61 59 59 61 62 62 59 58 56 54 56 59 60 62 Dewpt 58 58 57 57 59 59 60 59 59 60 61 60 59 58 56 54 56 57 58 58 RH 87 57 44 45 66 81 97100100 97 97 93100100100100100 93 93 87 Wind dir S SW NW N NE E E NE NE E E E E E E E E E E E Wind spd 4 4 6 10 8 10 10 8 10 12 13 13 13 11 11 11 10 12 12 11 Clouds SC FW FW FW SC B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 PoP 12hr 0 60 90 100 90 QPF 12hr 0 0.48 0.49 0.25 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C D D D D D D D D D D D C Tstms S C S S Obvis PF PF Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 50 71 51 78 52 79 52 81 Temp 55 51 64 69 57 51 71 75 59 52 72 76 59 52 73 78 Dewpt 54 51 54 53 52 51 54 53 53 51 54 53 51 50 52 50 PWind dir E SE SE SE SE SE SE SE Wind char GN GN GN GN LT LT LT LT Avg clouds B2 B2 B1 SC FW FW SC FW FW SC SC FW FW FW FW FW PoP 12hr 30 10 0 0 5 5 5 5 Rain shwrs C $$ MTZ033-182200- Baker-Fallon MT 46.38N 104.24W Elev. 2969 ft 713 AM MDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 50 66 47 62 Temp 62 73 79 78 65 59 56 54 56 62 65 61 56 55 53 49 54 58 60 58 Dewpt 58 59 58 57 58 56 56 54 55 56 57 56 55 54 53 49 53 54 55 54 RH 87 62 49 48 78 90100100 96 81 75 84 96 96100100 96 86 84 86 Wind dir SE S SE E SE SE SE E E E E E E E E E E E E E Wind spd 12 10 8 8 10 8 5 8 11 13 16 16 17 13 13 13 14 17 17 14 Wind gust 27 25 Clouds B1 SC SC SC SC B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 0 30 70 90 90 QPF 12hr 0 0.02 0.22 0.17 0.27 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C L D D D D D D D D C Obvis PF PF PF Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 45 69 46 75 48 78 48 80 Temp 52 47 63 64 53 50 68 70 56 52 72 73 57 52 74 75 Dewpt 51 47 51 49 50 50 51 51 52 51 52 50 51 49 49 48 PWind dir SE SE SE SE SE SE SE S Wind char GN GN BZ BZ GN GN LT LT Avg clouds OV B2 B2 B1 SC SC B1 SC SC SC SC FW FW FW FW FW PoP 12hr 30 5 0 5 10 10 20 5 Rain shwrs C S Tstms S $$ WYZ199-182200- Sheridan-Sheridan WY 44.80N 106.96W Elev. 4019 ft 713 AM MDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 80 51 66 47 63 Temp 60 77 79 75 62 57 55 53 56 62 63 61 54 52 50 48 53 60 62 60 Dewpt 50 52 51 55 56 57 55 53 56 58 57 58 54 52 50 48 53 54 55 54 RH 69 42 38 50 81100100100100 87 81 90100100100100100 81 78 81 Wind dir S N N NE S W W NW NW N N NW NW NW NW NW NW NW NW NW Wind spd 1 4 4 4 4 2 5 2 4 6 8 4 4 2 3 2 4 8 8 5 Clouds FW FW B1 B1 OV B2 B2 OV B2 B2 OV OV OV B2 OV OV OV OV OV B2 PoP 12hr 40 80 90 100 90 QPF 12hr 0 0.24 0.30 0.27 0.33 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L D L C C C L D D D D D D D D D L Tstms S C C C S S S S C C C S C C S Obvis PF PF PF PF PF PF PF PF PF PF Flood A A A A A A A A A A A A A A A A Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 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 44 71 44 77 45 78 46 81 Temp 50 45 66 69 51 45 71 74 52 46 73 74 53 46 76 77 Dewpt 50 45 52 50 46 42 46 48 44 41 46 47 43 39 43 44 PWind dir NW E S E S NE S SE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 FW FW FW SC FW SC SC SC SC FW FW FW CL PoP 12hr 60 10 0 10 10 20 5 0 Rain shwrs L S Tstms S $$