Point Forecast Matrices
Issued by NWS Billings, MT
Issued by NWS Billings, MT
481 FOUS55 KBYZ 181848 PFMBYZ Point Forecast Matrices National Weather Service Billings MT 1248 PM MDT Fri Sep 18 2026 MTZ235-182200- Billings-Yellowstone MT 45.81N 108.53W Elev. 3648 ft 1248 PM 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 56 61 53 63 Temp 79 76 66 62 60 58 56 58 59 59 57 56 55 54 54 56 61 62 Dewpt 52 54 56 57 57 57 56 58 59 59 54 54 53 53 54 56 56 57 RH 39 46 70 84 90 96100100100100 90 93 93 96100100 84 84 Wind dir NE NE NW N N N N N N N N N NW NW NW NW N N Wind spd 9 11 8 6 8 10 11 11 12 11 12 12 12 11 9 8 6 6 Wind gust 23 Clouds SC B2 OV OV OV OV OV OV B2 OV OV OV OV OV OV OV B2 B2 PoP 12hr 40 100 100 90 80 QPF 12hr 0 0.70 0.76 0.78 0.32 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D L D D D D L D D L C D D C C Tstms C C S C C S C C C S S 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 50 78 53 78 53 79 Temp 55 50 63 70 57 51 70 75 60 53 71 76 60 54 72 76 Dewpt 53 50 56 55 49 46 52 54 48 46 51 53 48 46 51 53 PWind dir NE S S SW SE SW S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 FW FW FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 10 0 0 0 5 5 5 0 $$ MTZ065-182200- Livingston-Park MT 45.70N 110.47W Elev. 4656 ft 1248 PM MDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 49 59 46 66 Temp 74 69 59 57 54 52 51 53 56 56 54 52 49 47 48 57 64 65 Dewpt 49 53 54 55 54 52 51 53 50 50 49 50 49 47 47 49 47 46 RH 41 57 83 93100100100100 80 80 83 93100100 96 75 54 50 Wind dir NE E E E E E SE E E E N W W W W W W S Wind spd 3 5 5 5 4 3 3 4 5 4 3 2 2 3 5 3 3 4 Clouds B2 OV OV OV OV OV OV OV B2 OV OV OV OV OV B2 B1 B1 B1 PoP 12hr 60 100 90 80 40 QPF 12hr 0.05 0.58 0.66 0.13 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L D D D D D D L D L L C C C S S Tstms C C C S S C S C C S S Obvis PF PF PF PF PF PF Flood A A A A A A A A A A A A A A A A Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 75 46 78 48 78 48 80 Temp 52 43 67 71 55 46 70 74 57 48 70 74 57 48 72 76 Dewpt 46 42 46 41 41 39 42 41 41 39 42 41 40 39 42 41 PWind dir S W SW W S W SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC FW FW FW SC SC SC SC FW FW FW FW FW CL PoP 12hr 5 0 0 0 5 5 5 0 $$ MTZ032-182200- Miles City-Custer MT 46.42N 105.90W Elev. 2628 ft 1248 PM 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 58 64 54 63 Temp 81 80 71 66 61 60 60 61 61 63 59 58 57 56 56 59 60 62 Dewpt 57 57 58 60 60 60 60 61 61 63 59 58 57 56 56 58 59 59 RH 44 45 63 81 97100100100100100100100100100100 96 96 90 Wind dir NW N N NE NE NE NE NE NE NE E E E E E E E E Wind spd 3 8 10 9 8 9 11 13 14 14 13 12 12 12 11 12 11 11 Clouds SC FW B1 B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 70 90 90 90 QPF 12hr 0 0.14 1.06 0.54 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C D D D L D D C D D D D S Tstms S C S S S S S S S S 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 51 71 51 78 54 80 54 81 Temp 55 51 64 69 57 52 71 76 60 54 74 77 61 54 75 78 Dewpt 55 51 55 54 53 52 56 55 55 53 55 54 52 51 53 52 PWind dir E SE SE SE SE S SE SE Wind char GN GN GN LT LT LT LT LT Avg clouds OV B2 B2 B1 FW FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 20 5 0 0 5 10 5 5 Rain shwrs S $$ MTZ033-182200- Baker-Fallon MT 46.38N 104.24W Elev. 2969 ft 1248 PM MDT Fri Sep 18 2026 Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 52 65 48 61 Temp 79 78 65 60 58 56 59 63 63 59 56 55 54 53 54 58 60 57 Dewpt 58 58 58 58 58 56 58 58 57 57 56 55 54 53 53 54 54 54 RH 49 50 78 93100100 96 84 81 93100100100100 96 86 81 90 Wind dir SE E SE SE E E E E E E E E E E E SE E E Wind spd 4 8 11 9 3 4 9 13 16 16 16 14 14 14 16 18 17 16 Wind gust 26 26 28 28 26 Clouds CL FW B1 B2 B2 OV B2 B2 OV OV OV OV OV OV OV OV OV OV PoP 12hr 5 40 80 90 90 QPF 12hr 0 0.05 0.21 0.25 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L D D L D L L D D D L L S Tstms S S Obvis PF Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 67 46 75 49 80 51 82 Temp 52 48 64 64 52 50 69 71 56 53 74 75 58 54 77 76 Dewpt 52 48 52 51 51 50 53 54 54 52 54 52 53 51 51 50 PWind dir SE SE SE SE SE SE SE SE Wind char GN GN BZ BZ GN LT LT LT Avg clouds OV OV B2 B1 SC SC B1 FW FW FW SC FW FW FW FW CL PoP 12hr 20 5 0 0 5 10 10 0 Rain shwrs S $$ WYZ199-182200- Sheridan-Sheridan WY 44.80N 106.96W Elev. 4019 ft 1248 PM 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 65 47 63 Temp 79 75 62 57 55 53 56 61 63 61 54 53 50 49 52 58 60 61 Dewpt 51 55 57 57 55 53 56 58 58 58 54 53 50 49 52 53 52 55 RH 38 50 84100100100100 90 84 90100100100100100 83 75 81 Wind dir NE N SW NW W NW NW N N NW NW NW NW NW N N NW NW Wind spd 3 2 4 2 2 1 3 3 4 4 4 3 3 2 4 4 5 4 Clouds B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 PoP 12hr 50 80 100 90 80 QPF 12hr 0.03 0.20 0.52 0.35 0.22 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D C C C C L D C C L C L L D D C Tstms C C C S S S C C C S S S Obvis 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 43 71 42 78 47 79 46 81 Temp 50 44 64 69 51 43 72 74 54 48 74 75 54 47 76 77 Dewpt 50 44 51 50 46 41 46 47 44 42 46 47 44 40 44 45 PWind dir NW E S E S N SW SE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B1 SC FW FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 40 20 0 5 10 10 5 5 Rain shwrs C S Tstms S $$