Point Forecast Matrices
Issued by NWS Billings, MT
Issued by NWS Billings, MT
660 FOUS55 KBYZ 151858 PFMBYZ Point Forecast Matrices National Weather Service Billings MT 1258 PM MDT Tue Sep 15 2026 MTZ235-152200- Billings-Yellowstone MT 45.81N 108.53W Elev. 3648 ft 1258 PM MDT Tue Sep 15 2026 Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 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 68 44 68 48 75 Temp 66 64 58 53 48 44 50 60 68 64 59 53 52 48 52 62 74 74 Dewpt 38 36 38 40 40 40 43 44 44 43 44 44 47 46 49 49 50 51 RH 36 35 47 61 74 86 77 55 42 46 57 71 83 93 89 62 43 44 Wind dir E E NE NE NW W W N NE NE NE NE NE N E E E E Wind spd 13 16 12 11 6 8 8 8 12 13 10 9 6 5 3 5 9 8 Clouds FW CL CL SC FW FW FW FW FW FW FW SC SC B2 SC SC SC SC PoP 12hr 0 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K PF PF Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 56 79 54 71 51 74 49 77 Temp 62 56 71 67 57 54 64 69 56 51 67 72 56 49 70 75 Dewpt 53 52 54 54 55 52 54 50 49 47 49 45 45 44 46 42 PWind dir S NW NW W W W E SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B2 OV B2 B2 B1 B1 SC SC FW CL FW SC FW PoP 12hr 5 60 90 50 30 10 0 0 Rain shwrs L D L C C C S Tstms S C S $$ MTZ065-152200- Livingston-Park MT 45.70N 110.47W Elev. 4656 ft 1258 PM MDT Tue Sep 15 2026 Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 40 71 43 77 Temp 68 64 53 48 44 40 49 61 70 66 56 49 46 43 51 66 77 71 Dewpt 39 34 35 36 36 34 37 40 39 38 39 39 40 39 42 47 47 47 RH 34 32 50 63 73 79 63 46 32 36 53 68 79 86 71 50 35 42 Wind dir E E E SE NW W W NW NE E E E E S NW E E SE Wind spd 16 18 13 8 3 5 8 6 12 20 24 14 6 3 4 3 8 10 Wind gust 24 31 36 27 17 Clouds FW FW FW SC FW FW CL CL FW FW FW FW SC OV B1 SC SC B1 PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 76 46 71 45 75 45 78 Temp 56 50 69 65 52 47 64 67 53 46 67 71 54 46 70 74 Dewpt 48 46 49 46 49 47 46 40 41 40 41 33 35 35 37 32 PWind dir S W SW W SW W S W Wind char LT LT LT GN GN LT LT LT Avg clouds SC SC SC B2 B2 B2 B1 B1 SC FW FW FW CL FW FW FW PoP 12hr 20 70 80 50 20 5 0 0 Rain shwrs S S L D C C C S Tstms S S C C S $$ MTZ032-152200- Miles City-Custer MT 46.42N 105.90W Elev. 2628 ft 1258 PM MDT Tue Sep 15 2026 Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 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 67 49 71 47 76 Temp 63 63 56 54 52 49 58 69 70 67 58 52 48 47 54 69 75 74 Dewpt 40 40 41 40 41 43 48 50 49 49 49 49 48 47 51 53 54 56 RH 43 43 57 59 66 80 69 51 47 52 72 89100100 90 57 48 53 Wind dir E E E E E NE E NW N N N NE NE E E E SE SE Wind spd 6 11 13 13 13 9 5 14 16 13 9 9 9 8 10 12 14 16 Clouds CL CL CL SC SC FW CL CL CL FW FW SC B1 B2 B1 B1 B1 B1 PoP 12hr 0 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF PF Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 57 81 56 70 51 71 48 75 Temp 62 57 74 72 60 57 67 67 55 51 68 68 53 48 70 73 Dewpt 58 57 61 59 60 57 58 55 54 51 53 50 50 48 50 48 PWind dir SE SE N NW NW NW E SE Wind char GN LT GN GN LT LT LT LT Avg clouds B1 B1 B1 B1 OV OV B2 B2 B1 B1 B1 B1 FW FW SC FW PoP 12hr 10 40 90 70 50 40 5 5 Rain shwrs S C D D L L C C C C Tstms C S S S $$ MTZ033-152200- Baker-Fallon MT 46.38N 104.24W Elev. 2969 ft 1258 PM MDT Tue Sep 15 2026 Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 68 46 77 42 72 Temp 68 64 50 47 46 46 58 73 77 67 53 44 42 42 51 66 72 65 Dewpt 41 40 36 38 40 42 46 48 49 47 46 44 42 42 47 51 54 54 RH 37 41 58 71 79 86 64 41 37 49 77100100100 86 58 53 68 Wind dir N E E E SE SE SE W NW N N NE E E E SE SE SE Wind spd 0 10 14 17 19 18 17 9 14 16 12 9 9 9 13 18 20 21 Wind gust 27 33 29 27 31 32 Clouds FW FW FW FW SC SC FW CL CL FW FW SC B1 B2 B2 B2 B2 OV PoP 12hr 0 0 0 5 30 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Obvis PF PF PF Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 78 51 69 48 71 45 74 Temp 55 53 72 71 58 55 66 63 53 51 68 65 50 48 71 69 Dewpt 53 53 60 58 57 55 56 54 53 51 51 49 49 47 48 46 PWind dir SE SE SE S SW NW E SE Wind char BZ GN GN GN GN LT LT LT Avg clouds OV B2 B2 B1 B2 OV B2 B2 B2 B1 B1 B1 SC SC SC FW PoP 12hr 20 30 80 80 60 50 20 10 Rain shwrs S S C D D D D L C C C S Tstms C S S S $$ WYZ199-152200- Sheridan-Sheridan WY 44.80N 106.96W Elev. 4019 ft 1258 PM MDT Tue Sep 15 2026 Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 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 71 44 72 43 77 Temp 70 69 58 51 46 45 57 69 71 68 53 47 44 43 56 72 76 75 Dewpt 37 35 38 38 37 38 40 41 41 42 42 41 42 43 48 51 52 54 RH 30 28 47 61 71 76 53 36 34 39 66 79 93100 74 48 43 48 Wind dir SE SE SE S W W NW NW NW N W S S S E SE SE SE Wind spd 14 16 12 6 5 4 9 13 11 9 4 3 3 3 5 6 11 4 Wind gust 23 Clouds FW SC B1 SC SC FW FW CL FW FW B1 B2 B2 OV B1 SC B1 B1 PoP 12hr 0 0 0 10 20 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Tstms S Obvis PF PF Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 78 48 71 43 73 41 78 Temp 57 51 75 69 53 50 69 67 49 44 70 69 48 42 74 74 Dewpt 53 49 54 54 53 49 52 49 46 42 45 43 41 36 40 40 PWind dir S NE NW NW W NW W E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B2 OV B2 B1 B2 B1 SC SC SC FW FW FW CL PoP 12hr 5 80 90 80 40 20 5 5 Rain shwrs S D D C C D C S S S Tstms S C C S $$