Point Forecast Matrices
Issued by NWS Billings, MT
Issued by NWS Billings, MT
446 FOUS55 KBYZ 152202 PFMBYZ Point Forecast Matrices National Weather Service Billings MT 401 PM MDT Tue Sep 15 2026 MTZ235-161000- Billings-Yellowstone MT 45.81N 108.53W Elev. 3648 ft 401 PM MDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 68 48 75 56 Temp 64 58 53 48 44 50 60 68 64 59 53 52 48 52 62 74 74 67 62 58 56 Dewpt 36 38 40 40 40 43 44 44 43 44 44 47 46 49 49 50 51 51 53 52 52 RH 35 47 61 74 86 77 55 42 46 57 71 83 93 89 62 43 44 56 72 80 86 Wind dir E NE NE NW W W N NE NE NE NE NE N E E E E E W W SW Wind spd 16 12 11 6 8 8 8 12 13 10 9 6 5 3 5 9 8 4 4 4 5 Clouds CL CL SC FW FW FW FW FW FW FW SC SC B2 SC SC SC SC B2 SC SC B1 PoP 12hr 0 0 5 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K PF PF Date 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 54 71 51 74 49 77 50 76 Temp 71 67 57 54 64 69 56 51 67 72 56 49 70 75 57 50 70 74 Dewpt 54 54 55 52 54 50 49 47 49 45 45 44 46 42 42 41 44 42 PWind dir NW NW W W W E SW SE W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B2 OV B2 B2 B1 B1 SC SC FW CL FW SC FW FW SC B1 SC PoP 12hr 60 90 50 30 10 0 0 0 0 Rain shwrs L D L C C C S Tstms S C S $$ MTZ065-161000- Livingston-Park MT 45.70N 110.47W Elev. 4656 ft 401 PM MDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 40 71 43 77 50 Temp 64 53 48 44 40 49 61 70 66 56 49 46 43 51 66 77 71 61 56 52 50 Dewpt 34 35 36 36 34 37 40 39 38 39 39 40 39 42 47 47 47 48 48 46 46 RH 32 50 63 73 79 63 46 32 36 53 68 79 86 71 50 35 42 62 74 80 86 Wind dir E E SE NW W W NW NE E E E E S NW E E SE SE SW W W Wind spd 18 13 8 3 5 8 6 12 20 24 14 6 3 4 3 8 10 5 4 6 6 Wind gust 24 31 36 27 17 Clouds FW FW SC FW FW CL CL FW FW FW FW SC OV B1 SC SC B1 SC SC SC SC PoP 12hr 0 0 5 20 20 QPF 12hr 0 0 0 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S S Date 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 46 71 45 75 45 78 47 77 Temp 69 65 52 47 64 67 53 46 67 71 54 46 70 74 56 48 71 72 Dewpt 49 46 49 47 46 40 41 40 41 33 35 35 37 32 33 33 35 33 PWind dir W SW W SW W S W SW W Wind char LT LT GN GN LT LT LT LT LT Avg clouds SC B2 B2 B2 B1 B1 SC FW FW FW CL FW FW FW FW SC SC FW PoP 12hr 70 80 50 20 5 0 0 0 5 Rain shwrs S L D C C C S Tstms S C C S $$ MTZ032-161000- Miles City-Custer MT 46.42N 105.90W Elev. 2628 ft 401 PM MDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 71 47 76 57 Temp 63 56 54 52 49 58 69 70 67 58 52 48 47 54 69 75 74 66 62 58 57 Dewpt 40 41 40 41 43 48 50 49 49 49 49 48 47 51 53 54 56 58 58 57 57 RH 43 57 59 66 80 69 51 47 52 72 89100100 90 57 48 53 75 87 96100 Wind dir E E E E NE E NW N N N NE NE E E E SE SE SE SE SE SE Wind spd 11 13 13 13 9 5 14 16 13 9 9 9 8 10 12 14 16 14 12 10 8 Clouds CL CL SC SC FW CL CL CL FW FW SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Obvis PF PF PF PF Date 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 56 70 51 71 48 75 50 76 Temp 74 72 60 57 67 67 55 51 68 68 53 48 70 73 57 51 71 73 Dewpt 61 59 60 57 58 55 54 51 53 50 50 48 50 48 47 47 49 47 PWind dir SE N NW NW NW E SE SE SE Wind char LT GN GN LT LT LT LT GN GN Avg clouds B1 B1 OV OV B2 B2 B1 B1 B1 B1 FW FW SC FW FW FW SC SC PoP 12hr 40 90 70 50 40 5 5 0 5 Rain shwrs S C D D L L C C C C Tstms C S S S $$ MTZ033-161000- Baker-Fallon MT 46.38N 104.24W Elev. 2969 ft 401 PM MDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 77 42 72 52 Temp 64 50 47 46 46 58 73 77 67 53 44 42 42 51 66 72 65 58 55 54 53 Dewpt 40 36 38 40 42 46 48 49 47 46 44 42 42 47 51 54 54 53 53 54 53 RH 41 58 71 79 86 64 41 37 49 77100100100 86 58 53 68 83 93100100 Wind dir E E E SE SE SE W NW N N NE E E E SE SE SE SE SE SE SE Wind spd 10 14 17 19 18 17 9 14 16 12 9 9 9 13 18 20 21 20 17 16 13 Wind gust 27 33 29 27 31 32 31 Clouds FW FW FW SC SC FW CL CL FW FW SC B1 B2 B2 B2 B2 OV OV B2 B2 B2 PoP 12hr 0 0 5 30 20 QPF 12hr 0 0 0 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S Obvis PF PF PF Date 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 51 69 48 71 45 74 47 77 Temp 72 71 58 55 66 63 53 51 68 65 50 48 71 69 54 49 73 70 Dewpt 60 58 57 55 56 54 53 51 51 49 49 47 48 46 47 47 48 46 PWind dir SE SE S SW NW E SE SE SE Wind char GN GN GN GN LT LT LT GN GN Avg clouds B2 B1 B2 OV B2 B2 B2 B1 B1 B1 SC SC SC FW FW FW SC SC PoP 12hr 30 80 80 60 50 20 10 0 5 Rain shwrs S C D D D D L C C C S Tstms C S S S $$ WYZ199-161000- Sheridan-Sheridan WY 44.80N 106.96W Elev. 4019 ft 401 PM MDT Tue Sep 15 2026 Date 09/15/26 Wed 09/16/26 Thu 09/17/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 72 43 77 51 Temp 69 58 51 46 45 57 69 71 68 53 47 44 43 56 72 76 75 63 57 54 51 Dewpt 35 38 38 37 38 40 41 41 42 42 41 42 43 48 51 52 54 54 53 50 49 RH 28 47 61 71 76 53 36 34 39 66 79 93100 74 48 43 48 72 86 86 93 Wind dir SE SE S W W NW NW NW N W S S S E SE SE SE S S S N Wind spd 16 12 6 5 4 9 13 11 9 4 3 3 3 5 6 11 4 5 2 1 0 Wind gust 23 Clouds SC B1 SC SC FW FW CL FW FW B1 B2 B2 OV B1 SC B1 B1 B1 SC SC B1 PoP 12hr 0 0 10 20 5 QPF 12hr 0 0 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S Obvis PF PF Date 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 09/22/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 48 71 43 73 41 78 44 78 Temp 75 69 53 50 69 67 49 44 70 69 48 42 74 74 51 45 74 74 Dewpt 54 54 53 49 52 49 46 42 45 43 41 36 40 40 37 34 39 39 PWind dir NE NW NW W NW W E S N Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B2 OV B2 B1 B2 B1 SC SC SC FW FW FW CL FW SC SC FW PoP 12hr 80 90 80 40 20 5 5 0 5 Rain shwrs S D D C C D C S S S Tstms S C C S $$