FOUS55 KTFX 150935 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 335 AM MDT Wed Apr 15 2026 MTZ312-152200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 335 AM MDT Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 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 59 26 37 22 45 Temp 43 47 54 58 53 43 38 34 28 28 33 36 36 30 27 24 23 30 40 43 42 Dewpt 27 28 29 30 32 32 29 24 19 18 19 18 17 17 18 17 16 18 20 21 22 RH 53 47 38 34 44 65 70 66 68 66 56 47 45 58 68 74 74 60 44 41 44 Wind dir SW SW SW SW W W W W NW NW NW NW N N SW SW SW W NW N NW Wind spd 18 21 26 21 18 14 13 16 17 16 14 13 13 8 5 5 5 8 10 11 10 Wind gust 32 Clouds B2 B1 B1 B2 B2 OV OV B2 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 PoP 12hr 40 70 50 20 40 QPF 12hr 0 0.13 0.03 0 0.03 Snow 12hr 00-00 T T Rain C C Snow L L C C C C S S C C Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 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 26 57 32 67 39 71 41 71 Temp 32 27 48 55 40 34 60 65 48 42 64 69 50 43 65 69 Dewpt 24 19 22 22 25 23 26 27 31 29 31 30 33 33 35 32 PWind dir SW SW SW SW SW SW W W Wind char GN BZ GN GN GN GN GN GN Avg clouds B1 FW FW FW SC SC SC SC SC SC SC SC SC SC FW SC PoP 12hr 10 0 0 0 5 10 10 20 Rain S $$ MTZ303-152200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 335 AM MDT Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 53 19 34 17 44 Temp 35 40 49 52 48 39 34 26 21 21 27 32 32 26 22 19 17 26 38 42 42 Dewpt 23 23 24 24 24 22 22 17 13 12 13 15 15 16 16 14 14 16 17 17 17 RH 61 50 37 33 39 50 61 68 71 68 55 49 49 65 77 80 88 65 42 36 36 Wind dir SW SW SW W W W NW NW NW NW NW NW NW N W W W NW N N NW Wind spd 16 19 25 26 23 19 19 21 21 21 21 21 17 9 5 5 5 6 11 14 11 Wind gust 31 37 40 33 32 33 33 Clouds B2 B1 B1 B1 B2 OV B2 B2 B2 OV B2 B2 B1 B1 SC SC B1 B1 B1 B1 SC PoP 12hr 20 70 50 10 20 QPF 12hr 0 0.02 0.01 0 0 Snow 12hr 00-00 T T Rain S S Snow S S C L L C C C C S S Obvis BS BS Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 22 54 27 65 35 67 37 69 Temp 28 23 47 53 36 29 57 63 44 37 62 65 47 39 62 66 Dewpt 20 17 20 20 23 21 24 25 29 27 28 28 31 32 31 29 PWind dir W W SW W W W W W Wind char GN GN GN GN GN GN GN GN Avg clouds SC FW FW FW SC SC SC SC SC SC SC SC SC SC FW FW PoP 12hr 5 0 0 0 0 5 10 10 $$ MTZ319-152200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 335 AM MDT Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 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 58 28 40 25 45 Temp 39 43 51 56 53 43 37 34 30 30 35 39 38 34 30 27 25 30 39 42 43 Dewpt 27 30 30 31 32 29 24 22 20 18 17 18 16 17 19 18 18 19 19 20 21 RH 62 60 44 38 44 57 59 61 66 60 47 42 40 49 63 68 74 63 44 41 41 Wind dir SW SW W W W W W W NW NW NW NW NW NW W W W W NW NW NW Wind spd 3 5 13 16 13 12 10 8 5 9 10 13 13 8 4 3 3 4 9 12 11 Wind gust 25 28 20 24 24 Clouds B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1 B2 B2 B1 PoP 12hr 70 90 80 30 60 QPF 12hr 0.01 0.03 0.03 0.01 0.03 Snow 12hr 00-00 T T Rain S C L Rain shwrs L Snow L C C L L D D C C C C L L Tstms S Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 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 23 56 30 66 36 69 40 72 Temp 32 24 45 56 39 31 56 64 47 37 61 68 50 41 64 69 Dewpt 22 18 18 18 23 22 24 25 29 28 29 27 32 32 32 29 PWind dir W SW SW SW SW SW SW W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 FW FW FW SC SC SC SC SC SC SC SC SC SC FW SC PoP 12hr 10 0 0 0 5 10 10 20 Rain S S $$ MTZ326-152200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 335 AM MDT Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 25 39 19 42 Temp 38 43 55 58 54 44 37 33 29 28 35 38 37 31 27 23 20 26 36 40 40 Dewpt 25 28 30 33 35 34 32 29 25 22 23 21 19 19 19 17 15 19 18 19 19 RH 59 55 38 39 48 68 82 85 85 78 61 50 48 61 71 77 81 74 47 42 42 Wind dir S SW SW SW SW NW NW W W NW NW NW NW NW W SW S W W W NW Wind spd 8 10 17 23 18 10 10 6 4 5 6 9 9 4 3 2 2 3 5 8 8 Wind gust 32 41 33 20 Clouds B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 PoP 12hr 60 90 80 40 60 QPF 12hr 0.01 0.45 0.11 0.02 0.02 Snow 12hr 00-00 1 1 Rain S L Rain shwrs C C Snow L D D D D D D C C S S C C L L S Tstms S S Winter Storm A A A A A A Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 18 53 26 64 34 69 36 71 Temp 29 19 42 52 36 28 55 63 44 35 62 68 48 39 64 69 Dewpt 22 15 19 20 23 20 24 25 29 26 28 27 32 30 33 29 PWind dir W SW S S S SW S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW SC SC FW FW SC SC SC FW B1 SC SC SC PoP 12hr 20 0 0 0 5 10 10 20 Rain S S Snow S $$ MTZ330-152200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 335 AM MDT Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 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 45 26 35 12 36 Temp 29 34 40 43 41 37 35 33 28 27 31 34 31 23 19 17 13 19 30 34 34 Dewpt 23 27 30 32 33 32 32 29 24 23 21 20 19 15 14 11 9 11 12 12 14 RH 78 75 67 65 73 82 89 85 85 85 66 56 61 71 80 77 84 70 46 39 43 Wind dir S SW SW SW SW SW SW SW W SW SW SW W NW N N N N NW NW NW Wind spd 5 10 13 16 14 11 10 8 5 5 5 6 5 3 2 2 2 2 5 5 5 Wind gust 18 29 37 43 41 34 33 26 20 18 18 19 18 16 18 20 Clouds B2 B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 B2 B2 B1 PoP 12hr 90 90 100 70 70 QPF 12hr 0.14 0.42 0.25 0.06 0.01 Snow 12hr 00-00 2 4 Rain D D D Rain shwrs C D Snow C D S D D D D D D L L C C C C L L C Snowshwrs S S Tstms S S Winter Storm A A A A A A A A A A Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 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 10 44 16 55 24 61 28 62 Temp 18 10 36 42 24 17 48 53 31 25 54 57 36 30 56 59 Dewpt 13 7 16 17 17 12 21 25 23 19 25 28 27 24 30 29 PWind dir NW SW S S S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW SC SC FW FW SC SC SC SC SC SC SC B1 PoP 12hr 30 0 0 0 5 10 10 30 Rain S C Snow C S $$ MTZ328-152200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 335 AM MDT Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 57 25 38 19 42 Temp 38 42 53 55 53 42 35 31 27 28 35 37 36 29 25 22 20 26 37 40 40 Dewpt 23 25 29 29 31 31 28 22 17 17 18 17 15 16 16 14 13 15 16 16 19 RH 54 50 39 37 43 65 75 69 65 63 49 44 42 58 68 71 74 62 42 37 42 Wind dir S SW SW SW SW SW SW W W NW N N N N NW W SW SW NW NW N Wind spd 12 18 29 34 27 19 14 11 9 10 13 13 13 10 9 6 5 8 11 12 11 Wind gust 42 50 43 32 Clouds B1 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC B1 B1 B1 PoP 12hr 50 90 70 20 30 QPF 12hr 0.01 0.16 0.05 0.01 0 Snow 12hr 00-00 T 1 Rain C D Rain shwrs C Snow D L C L L L L S S C C Tstms S High Wind W W W W Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 19 52 27 62 34 68 38 70 Temp 27 20 43 51 34 28 54 60 42 36 61 65 46 40 63 68 Dewpt 18 12 18 20 21 19 24 24 26 24 27 25 30 28 32 28 PWind dir W SW S S S SW S SW Wind char LT GN GN GN GN GN GN GN Avg clouds B1 FW FW FW SC SC SC SC SC B1 SC SC SC SC SC SC PoP 12hr 5 0 0 0 5 10 10 20 Rain S $$ MTZ305-152200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 335 AM MDT Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 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 62 24 35 17 44 Temp 41 44 55 60 58 46 40 35 29 25 30 34 32 26 22 19 18 23 36 42 42 Dewpt 27 28 27 27 30 34 33 29 23 20 21 18 17 17 16 15 14 16 19 17 17 RH 57 53 34 28 34 63 76 78 78 81 69 51 53 68 77 84 84 74 50 36 36 Wind dir SW SW SW SW W W NW NW NW NW NW NW NW NW W W W W NW NW NW Wind spd 13 14 18 16 12 9 10 13 17 17 18 19 17 10 8 5 5 5 8 10 11 Clouds B1 B2 B1 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC PoP 12hr 30 90 40 10 10 QPF 12hr 0 0.16 0.06 0 0 Snow 12hr 00-00 T 1 Rain C C L D Snow S L C C C C Obvis BS BS BS BS Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 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 22 57 29 68 38 71 39 71 Temp 28 23 47 55 37 30 59 66 47 40 63 68 48 41 64 68 Dewpt 21 17 25 22 25 23 27 27 30 29 33 30 34 33 35 32 PWind dir W SW S SW SW W SW W Wind char LT GN LT LT LT GN GN GN Avg clouds SC FW FW FW FW FW FW FW SC SC SC FW SC SC SC FW PoP 12hr 5 0 0 0 5 5 5 10 $$ MTZ314-152200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 335 AM MDT Wed Apr 15 2026 Date Wed 04/15/26 Thu 04/16/26 Fri 04/17/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 58 26 36 18 42 Temp 40 46 54 56 54 43 38 35 30 27 32 35 33 26 23 22 19 26 37 40 39 Dewpt 26 27 28 31 35 37 35 30 23 19 18 19 16 15 16 15 12 15 17 16 16 RH 57 47 36 38 48 79 89 82 75 71 56 52 49 62 74 74 74 62 44 37 39 Wind dir SW SW SW SW W NW W W NW NW NW NW NW NW W W W NW NW NW NW Wind spd 6 10 13 11 10 6 10 13 18 19 18 18 17 10 8 6 6 9 12 13 11 Wind gust 24 21 24 29 28 29 24 Clouds OV B2 B2 OV B2 OV OV OV B2 B2 B1 B2 B2 B1 SC SC B1 SC B1 B1 SC PoP 12hr 50 100 60 20 40 QPF 12hr 0.04 0.32 0.03 0 0 Snow 12hr 00-00 1 T Rain C D S Rain shwrs L Snow D L L L C C S S C C S Tstms S Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26 Tue 04/21/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 22 53 30 65 39 68 39 69 Temp 27 24 45 51 36 33 58 62 45 41 64 65 47 42 64 66 Dewpt 18 15 19 20 22 20 24 27 28 26 29 32 32 32 34 34 PWind dir W W SW SW SW W S SW Wind char LT GN GN GN GN GN GN GN Avg clouds SC SC FW FW SC SC FW FW SC SC SC FW SC SC FW SC PoP 12hr 20 5 0 0 5 10 10 20 Rain S Snow S $$ http://www.weather.gov/greatfalls