Point Forecast Matrices
Issued by NWS Billings, MT
Issued by NWS Billings, MT
721 FOUS55 KBYZ 151001 PFMBYZ Point Forecast Matrices National Weather Service Billings MT 401 AM MDT Tue Sep 15 2026 MTZ235-152200- Billings-Yellowstone MT 45.81N 108.53W Elev. 3648 ft 401 AM 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 45 66 47 73 Temp 44 48 60 66 67 60 54 50 46 49 60 65 64 57 53 49 47 50 61 71 73 Dewpt 41 42 43 40 39 40 40 41 41 41 42 40 43 43 45 44 45 46 45 43 47 RH 89 80 53 38 36 47 59 71 83 74 51 40 46 59 74 83 93 86 56 36 40 Wind dir SW E E E E NE NE NW W NW N NE NE NE NE NE N SW E E E Wind spd 3 3 11 13 14 12 11 8 8 6 10 13 13 10 9 6 4 3 4 9 9 Clouds B1 CL FW FW FW SC FW CL FW FW FW FW FW FW FW SC B1 SC SC SC B1 PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms 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 54 73 51 71 49 75 49 79 Temp 60 54 69 68 56 51 65 69 55 50 68 73 56 50 70 76 Dewpt 51 50 50 49 50 48 49 45 45 44 46 42 42 41 43 40 PWind dir N W NW NW SE SW E SW Wind char LT GN GN LT LT LT LT LT Avg clouds B1 SC B1 B1 B2 B1 B1 SC SC FW SC FW FW FW SC FW PoP 12hr 20 50 60 30 20 5 5 0 Rain shwrs S S C L C C S S Tstms S S $$ MTZ065-152200- Livingston-Park MT 45.70N 110.47W Elev. 4656 ft 401 AM MDT Tue Sep 15 2026 Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 40 70 42 75 Temp 36 45 58 67 65 54 48 44 41 48 60 68 66 55 50 46 43 50 66 74 69 Dewpt 33 34 37 36 34 35 36 36 35 35 39 37 39 39 41 41 40 41 47 46 48 RH 89 65 45 32 31 48 63 73 79 60 46 32 37 55 71 83 89 71 50 37 47 Wind dir NW E E E E E E N W NW NE E E E E E SW W E E E Wind spd 2 3 10 14 18 14 9 4 4 3 5 17 21 26 17 6 2 3 3 6 9 Wind gust 17 31 33 40 17 Clouds FW CL CL FW SC SC FW SC FW FW FW FW FW FW FW SC B1 SC SC SC B2 PoP 12hr 0 0 0 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C Tstms S S Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 71 44 72 44 76 45 79 Temp 55 48 65 65 51 45 65 68 52 45 69 72 54 45 71 74 Dewpt 48 44 46 43 44 42 42 36 37 36 38 32 34 34 35 32 PWind dir S W W W SW W SE W Wind char LT GN GN LT LT LT LT LT Avg clouds B2 SC B1 B2 B1 B1 B1 SC FW FW FW CL CL FW FW FW PoP 12hr 50 70 40 30 10 5 5 0 Rain shwrs C S C L C C C S Tstms S S $$ MTZ032-152200- Miles City-Custer MT 46.42N 105.90W Elev. 2628 ft 401 AM 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 50 70 46 75 Temp 45 49 58 62 66 57 55 53 50 56 67 67 65 56 51 46 46 51 65 72 74 Dewpt 45 46 44 40 41 40 40 42 43 45 47 46 47 47 46 45 46 47 49 50 54 RH 100 89 59 44 40 53 57 66 77 66 49 47 52 72 83 96100 86 56 46 50 Wind dir W NW N E E E NE NE NE NW NW N N NE NE E E E E SE E Wind spd 6 4 1 5 11 14 14 12 8 8 16 16 12 9 8 6 6 8 12 13 16 Wind gust 18 Clouds B1 FW FW FW FW SC SC FW FW CL CL FW FW FW FW FW SC SC SC SC SC PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis 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 75 51 70 47 74 47 80 Temp 62 56 70 71 57 52 65 67 53 47 68 71 54 47 72 76 Dewpt 56 55 58 55 56 52 52 49 49 47 48 46 45 44 46 45 PWind dir E W NW NW E SE SE SE Wind char GN GN GN GN LT LT LT GN Avg clouds B1 B1 B1 B1 B2 B2 B1 B1 B1 SC SC FW FW FW FW CL PoP 12hr 30 50 60 50 30 20 0 0 Rain shwrs C C C L L C C C S S Tstms S C S $$ MTZ033-152200- Baker-Fallon MT 46.38N 104.24W Elev. 2969 ft 401 AM MDT Tue Sep 15 2026 Date Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 68 45 77 41 73 Temp 43 49 58 63 63 53 51 48 46 57 73 75 68 55 49 44 42 51 65 71 67 Dewpt 43 43 38 36 38 38 40 40 41 45 49 48 49 47 47 44 42 45 48 51 54 RH 100 80 47 36 39 57 66 74 83 64 43 38 51 74 93100100 80 54 49 63 Wind dir W NW NW N E E E E SE S W N N N NE E E E SE SE SE Wind spd 10 11 9 4 10 14 17 19 16 14 12 17 17 13 9 6 8 12 18 20 21 Wind gust 25 31 33 Clouds SC B1 CL CL FW B1 FW SC FW CL CL FW FW FW FW SC B1 B1 B1 B1 B1 PoP 12hr 0 5 0 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S Obvis PF Date Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 77 47 71 42 75 43 79 Temp 58 53 71 68 55 52 65 63 50 47 68 68 51 47 72 72 Dewpt 54 52 58 55 54 52 51 48 48 46 46 44 45 44 44 43 PWind dir SE S NW NW E SE SE SE Wind char BZ GN GN GN LT LT LT GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC FW FW FW FW CL PoP 12hr 50 60 70 50 40 10 10 5 Rain shwrs S C C L L L C C C C Tstms S S C C S S $$ WYZ199-152200- Sheridan-Sheridan WY 44.80N 106.96W Elev. 4019 ft 401 AM 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 70 41 77 Temp 38 48 62 67 67 56 50 46 45 54 66 68 65 52 46 43 42 54 70 76 73 Dewpt 36 36 35 35 35 38 38 38 38 36 35 36 41 43 41 41 42 44 46 47 50 RH 92 63 36 30 30 51 63 73 76 50 32 31 41 71 83 93100 69 42 36 44 Wind dir SW SE SE SE E SE S W W NW NW N N W N N N E SE E SE Wind spd 4 3 12 16 13 9 5 4 4 11 14 11 6 1 0 0 0 2 4 5 4 Clouds FW FW CL SC B1 SC FW FW FW FW FW FW FW SC SC SC B1 SC SC SC B1 PoP 12hr 0 0 0 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms 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 75 44 70 42 75 42 79 Temp 56 51 72 67 50 45 68 66 47 43 72 71 49 43 74 74 Dewpt 50 48 50 49 47 44 45 43 41 38 40 38 36 34 37 36 PWind dir S NW NW NW W NE S E Wind char LT LT GN LT LT LT LT LT Avg clouds B1 B1 B1 B2 B2 B1 B1 B1 SC FW SC FW FW FW FW FW PoP 12hr 20 60 60 40 20 10 5 10 Rain shwrs S S L L C C C S Tstms S S S $$