FOUS55 KBYZ 192202 PFMBYZ Point Forecast Matrices National Weather Service Billings MT 402 PM MDT Tue May 19 2026 MTZ235-201000- Billings-Yellowstone MT 45.81N 108.53W Elev. 3648 ft 402 PM MDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 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 42 69 43 56 39 Temp 65 56 48 44 43 54 64 67 63 53 50 48 46 44 49 54 55 51 46 41 40 Dewpt 25 29 29 28 27 29 32 35 39 42 42 42 41 39 40 39 36 38 36 34 33 RH 22 35 47 53 53 38 30 30 41 66 74 80 83 82 71 57 49 61 68 76 76 Wind dir W NW SW SW SW W W W N N N N N N N N NW S SW SW SW Wind spd 11 8 5 9 11 12 6 9 9 8 9 10 12 12 10 6 5 4 6 8 9 Clouds SC B2 SC SC SC B1 B1 B1 OV OV OV OV OV OV B2 B2 B2 B1 SC FW SC PoP 12hr 5 40 100 80 5 QPF 12hr 0 0.01 0.29 0.14 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L D D D D L L Tstms S S Date 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 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 70 44 79 50 84 53 88 53 82 Temp 62 70 53 47 71 77 59 53 77 82 62 55 81 84 63 55 75 78 Dewpt 35 32 35 34 38 36 38 37 40 37 38 38 40 37 37 37 38 37 PWind dir W SW SW SW SW SW SW NW N Wind char GN LT LT LT GN LT LT GN GN Avg clouds SC SC SC SC SC FW SC SC SC FW SC SC SC FW SC SC SC SC PoP 12hr 0 0 0 5 5 5 10 10 10 $$ MTZ065-201000- Livingston-Park MT 45.70N 110.47W Elev. 4656 ft 402 PM MDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 36 63 36 54 33 Temp 61 51 45 39 37 49 58 61 58 48 44 41 39 40 44 50 52 46 41 36 34 Dewpt 23 28 30 29 28 29 31 31 34 40 39 39 37 36 34 35 33 34 32 29 27 RH 23 41 55 67 70 46 36 32 40 74 82 92 92 85 68 56 48 63 70 75 75 Wind dir W SW W W W W W W NW E E E NE N W NW N S SW SW SW Wind spd 10 4 5 6 8 8 12 10 6 4 3 4 3 4 5 5 5 2 3 4 6 Clouds B2 B2 B1 SC B1 B1 B1 B2 OV OV OV OV OV OV B2 B2 B1 SC SC SC SC PoP 12hr 10 30 100 90 5 QPF 12hr 0 0 0.31 0.12 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D D D D D L L Snowshwrs S Tstms S S S Date 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 39 76 45 81 48 83 47 75 Temp 60 67 49 42 69 74 55 48 75 78 59 51 78 79 59 49 70 71 Dewpt 31 29 32 31 33 34 36 34 34 35 35 34 32 35 35 33 32 35 PWind dir W SW W SW SW SW W W W Wind char LT LT GN GN GN GN BZ GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC B1 SC SC SC SC SC B1 B1 PoP 12hr 5 0 5 10 5 5 10 10 40 Rain shwrs C Tstms S $$ MTZ032-201000- Miles City-Custer MT 46.42N 105.90W Elev. 2628 ft 402 PM MDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 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 39 72 43 62 40 Temp 64 54 48 42 40 53 67 70 67 57 51 47 44 50 56 60 59 53 47 42 41 Dewpt 29 30 27 26 27 30 35 35 39 43 43 43 40 42 43 42 41 41 41 38 37 RH 27 40 44 53 59 41 30 27 36 59 74 86 86 74 62 51 51 64 79 86 85 Wind dir S SE S S S SW W W NW N NW N N N N N N NW W W W Wind spd 8 8 9 5 5 6 6 9 9 6 5 8 9 10 11 11 11 5 5 5 5 Clouds SC SC B1 B1 FW CL SC B1 B2 B2 OV B2 OV B2 B2 B2 B2 B2 B1 B1 SC PoP 12hr 0 10 40 50 20 QPF 12hr 0 0 0.02 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C C S S S S Tstms S Date 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 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 69 41 78 48 84 50 88 53 84 Temp 63 68 50 43 71 76 57 49 78 82 61 52 82 85 64 55 79 81 Dewpt 38 36 38 37 39 38 40 40 42 38 41 40 43 39 41 40 42 40 PWind dir W SE S S SW S SW N NW Wind char LT LT LT LT LT LT LT GN BZ Avg clouds SC SC SC SC SC FW FW SC SC FW FW SC FW FW SC SC SC SC PoP 12hr 5 5 0 5 0 5 0 5 5 $$ MTZ033-201000- Baker-Fallon MT 46.38N 104.24W Elev. 2969 ft 402 PM MDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 36 72 38 64 37 Temp 60 48 44 41 38 54 68 71 69 54 47 42 42 54 60 61 59 50 46 42 38 Dewpt 22 24 23 24 21 25 28 28 31 40 41 40 40 41 40 41 40 42 42 39 36 RH 23 39 43 50 50 32 22 20 24 59 79 93 93 61 47 48 49 74 86 89 92 Wind dir SW SE SE S S SW SW SW S E SE E N NE N N N N W W W Wind spd 8 9 14 14 12 13 11 10 9 6 4 3 6 9 10 12 13 8 5 5 6 Clouds FW SC B1 B1 B1 FW FW B1 B2 B2 B1 B2 OV B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 0 5 30 60 50 QPF 12hr 0 0 0.01 0.04 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L C C C C C Tstms S Date 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 40 75 46 83 49 88 52 84 Temp 61 67 48 42 70 74 54 48 79 81 57 51 84 85 62 54 80 82 Dewpt 37 33 38 36 35 33 39 39 39 35 40 39 39 38 42 41 41 38 PWind dir NW SE SW S S S SW S SW Wind char GN LT LT LT GN LT GN BZ BZ Avg clouds B1 SC SC SC SC SC FW SC SC FW FW SC SC FW SC SC SC FW PoP 12hr 30 5 0 0 5 5 0 5 5 Rain shwrs C S $$ WYZ199-201000- Sheridan-Sheridan WY 44.80N 106.96W Elev. 4019 ft 402 PM MDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 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 31 66 36 50 32 Temp 58 46 39 35 32 47 62 64 64 51 46 41 38 42 44 45 48 43 40 35 33 Dewpt 28 29 25 23 23 27 30 33 33 37 37 36 37 39 40 39 38 37 35 31 31 RH 32 51 57 61 69 45 30 31 31 59 71 82 96 89 86 79 68 79 82 85 92 Wind dir SE S S SW SW NE NE NE NW W W W NW NW NW NW NW W W W SW Wind spd 11 4 6 3 2 1 3 3 4 3 2 2 3 5 12 12 12 6 4 4 3 Clouds SC B1 SC SC SC SC SC SC B1 B2 B1 B2 OV OV OV OV B2 B2 B1 B1 SC PoP 12hr 0 10 30 100 50 QPF 12hr 0 0 0 0.33 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D D D C C S S Tstms S S Date 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 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 65 35 74 40 81 43 86 45 81 Temp 58 65 44 36 68 72 50 42 76 78 54 45 82 82 57 47 77 77 Dewpt 35 34 34 31 37 36 36 34 38 37 36 35 39 37 36 35 37 37 PWind dir NW SW N S W SW SW W NW Wind char LT LT LT LT LT LT LT LT GN Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 20 0 5 0 5 0 5 20 20 Rain shwrs S S S Tstms S S $$