Point Forecast Matrices
Issued by NWS Billings, MT
Issued by NWS Billings, MT
243 FOUS55 KBYZ 171001 PFMBYZ Point Forecast Matrices National Weather Service Billings MT 401 AM MDT Thu Sep 17 2026 MTZ235-172200- Billings-Yellowstone MT 45.81N 108.53W Elev. 3648 ft 401 AM MDT Thu Sep 17 2026 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 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 77 55 81 54 65 Temp 48 51 63 74 77 68 63 58 56 60 74 80 74 65 62 59 57 55 57 61 63 Dewpt 44 45 45 46 49 49 50 50 51 51 54 53 58 55 57 55 54 55 57 56 57 RH 86 80 52 37 37 51 62 75 83 72 50 39 57 70 84 87 90100100 84 81 Wind dir N NW E E SE SW SW W SW SW NW NE E N NW NW NW NW NW NW NW Wind spd 4 3 4 6 9 5 4 5 9 10 5 8 12 6 6 9 9 9 9 11 11 Clouds B2 B1 B2 B2 B2 B2 SC SC B1 B1 B2 B2 OV OV OV OV OV OV OV OV B2 PoP 12hr 0 5 40 100 90 QPF 12hr 0 0 0.06 1.35 0.66 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D D D D D D D D L Tstms S C C S S C C S Obvis PF Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 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 49 78 51 80 51 81 Temp 57 51 61 71 58 51 68 76 60 51 71 77 60 51 72 77 Dewpt 52 49 53 52 50 48 51 49 47 44 48 48 44 43 46 48 PWind dir NW NW E SW S SW SE W Wind char GN LT LT LT LT LT LT LT Avg clouds B2 B2 B2 SC SC FW SC FW CL FW FW FW CL FW SC FW PoP 12hr 70 40 5 0 0 0 0 0 Rain shwrs L L C Tstms S $$ MTZ065-172200- Livingston-Park MT 45.70N 110.47W Elev. 4656 ft 401 AM MDT Thu Sep 17 2026 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 50 77 48 65 Temp 46 51 65 75 74 64 59 55 52 56 70 75 68 60 56 53 49 52 55 59 63 Dewpt 42 42 44 46 47 48 49 48 48 47 51 52 51 51 52 51 48 50 50 50 50 RH 86 71 46 36 38 56 69 77 86 72 51 45 54 72 86 93 96 93 83 72 62 Wind dir SE NE E E SE E NW W NW W W S N E E NW NW W W W W Wind spd 3 4 5 13 10 8 6 9 6 6 4 10 11 4 2 2 2 4 4 4 5 Clouds B1 B1 SC B2 B2 SC FW SC OV B1 B1 OV OV OV OV OV OV OV OV OV B2 PoP 12hr 30 20 80 100 100 QPF 12hr 0 0 0.16 0.32 0.60 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S S S S D D D D D D D D D L Tstms S C C S S C C S Obvis PF PF Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 45 74 45 79 47 80 47 81 Temp 53 45 62 72 54 46 69 75 56 47 71 76 57 47 71 76 Dewpt 48 44 46 41 42 40 41 37 39 37 38 34 36 36 37 37 PWind dir W W SW W SW W SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC FW FW FW FW CL FW FW FW FW FW FW SC FW PoP 12hr 70 10 0 0 0 0 0 5 Rain shwrs L S Tstms S $$ MTZ032-172200- Miles City-Custer MT 46.42N 105.90W Elev. 2628 ft 401 AM MDT Thu Sep 17 2026 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 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 81 57 82 56 69 Temp 48 54 70 78 77 70 65 62 59 63 74 80 79 69 63 60 57 59 62 63 67 Dewpt 47 49 51 52 58 60 59 59 58 58 59 59 58 60 60 59 57 58 59 60 61 RH 96 83 51 40 52 71 81 90 96 84 59 49 49 73 90 96100 96 90 90 81 Wind dir NE E E SE SE SE SE SE SE SE S SE E E E E NE NE E E NE Wind spd 6 8 12 16 18 17 12 10 8 9 9 6 10 9 8 6 8 8 11 11 11 Wind gust 27 23 Clouds B2 B1 B1 OV B2 B1 SC B1 B1 SC FW SC B2 B2 OV OV OV OV OV OV B2 PoP 12hr 0 5 5 90 90 QPF 12hr 0 0 0 0.26 0.35 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L D D D D D D D Tstms C C S S S C Obvis PF PF PF PF PF PF Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 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 69 49 76 50 80 51 82 Temp 59 52 61 68 58 52 69 74 59 51 72 77 60 51 74 78 Dewpt 57 52 56 56 54 52 54 52 52 51 51 51 50 49 50 50 PWind dir E E E SE SE S SE E Wind char GN LT LT LT GN LT LT LT Avg clouds B2 B2 B2 B2 B1 B1 B1 SC FW FW FW FW CL FW FW FW PoP 12hr 80 70 20 5 0 0 5 5 Rain shwrs D L L L S Tstms C S $$ MTZ033-172200- Baker-Fallon MT 46.38N 104.24W Elev. 2969 ft 401 AM MDT Thu Sep 17 2026 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 52 79 51 70 Temp 44 53 70 76 71 64 60 58 56 61 72 77 74 64 59 56 53 58 64 68 64 Dewpt 44 49 52 53 56 57 56 57 56 56 57 57 57 57 56 56 53 55 56 58 56 RH 100 86 53 45 59 78 87 96100 84 59 50 55 78 90100100 90 75 70 75 Wind dir E E SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E Wind spd 8 12 19 23 21 21 17 14 12 13 12 11 12 11 8 5 4 6 12 14 14 Wind gust 29 34 34 32 27 25 Clouds B2 B1 B1 B2 OV OV B2 SC B1 SC SC FW B1 B2 B2 OV OV B2 B2 B2 B2 PoP 12hr 5 30 5 50 70 QPF 12hr 0 0 0 0.01 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C L L L L D Tstms S Obvis PF PF PF PF Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 67 46 74 47 79 48 82 Temp 56 50 62 63 55 51 67 68 54 49 72 73 57 50 74 76 Dewpt 53 50 55 53 52 51 51 50 51 48 50 49 50 49 49 48 PWind dir E SE SE SE SE S SE SE Wind char GN GN GN GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B1 B2 SC SC FW SC FW FW FW SC CL PoP 12hr 80 70 30 10 0 5 0 5 Rain shwrs D D L L C S Tstms S $$ WYZ199-172200- Sheridan-Sheridan WY 44.80N 106.96W Elev. 4019 ft 401 AM MDT Thu Sep 17 2026 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 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 78 49 81 49 68 Temp 46 54 69 74 73 63 57 55 51 60 76 79 75 61 57 54 50 56 63 66 62 Dewpt 43 45 46 49 53 55 54 53 50 50 54 55 56 55 56 54 50 55 56 58 55 RH 89 71 44 41 49 75 90 93 96 69 46 44 52 81 96100100 96 78 75 78 Wind dir S E SE SE S SE SE S S S NE NE NE W W NW W NW N N NW Wind spd 2 2 6 10 10 10 5 3 2 2 4 4 6 5 2 2 2 4 4 4 6 Clouds B2 B2 B2 OV B2 B1 SC SC SC SC SC B1 OV OV OV OV B2 B2 OV OV OV PoP 12hr 40 20 50 100 100 QPF 12hr 0 0 0.06 0.16 0.32 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C D D D D L L D D D Tstms S S S C S S S C C Obvis PF PF PF PF PF PF Date Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 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 68 42 77 44 81 45 83 Temp 52 46 61 67 52 44 70 74 52 44 74 76 53 45 76 78 Dewpt 51 46 51 50 48 44 47 47 43 39 43 45 40 37 41 44 PWind dir NW NW NW E S E S NW Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B1 SC SC FW FW FW FW CL FW FW FW FW PoP 12hr 90 70 30 10 0 0 0 5 Rain shwrs D L L L C Tstms C S S $$