FOUS55 KTFX 210631 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 1231 AM MDT Tue Apr 21 2026 MTZ312-221000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 1231 AM MDT Tue Apr 21 2026 Date 04/20/26 Tue 04/21/26 Wed 04/22/26 Thu 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 43 80 48 72 30 Temp 48 44 54 70 78 78 67 59 54 49 59 70 68 58 47 43 38 32 Dewpt 28 27 29 29 25 28 32 31 33 30 32 32 33 38 38 36 31 25 RH 46 51 38 22 14 16 27 34 45 48 36 24 27 47 71 76 76 75 Wind dir SW SW SW S SE E SE S S SW SW SW SW W NW NW NW NW Wind spd 5 5 4 4 8 11 10 9 6 8 12 18 21 21 24 25 26 25 Wind gust 34 Clouds FW SC FW FW FW B1 B1 B1 SC SC FW B2 B2 OV OV OV OV OV PoP 12hr 0 5 5 60 100 QPF 12hr 0 0 0 0.07 0.51 Snow 12hr 00-00 00-00 00-00 Rain D D D Rain shwrs L L D Snow S S D Tstms S S Date 04/23/26 Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 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 39 27 39 23 42 23 46 27 53 Temp 33 37 31 28 35 38 30 26 37 41 31 25 40 44 34 29 46 51 Dewpt 23 21 21 18 16 14 16 16 17 16 19 18 20 20 23 22 26 26 PWind dir NW NW NW NW NW NE N E NW Wind char WY GN BZ GN GN GN GN GN LT Avg clouds OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 80 50 50 20 20 20 20 10 20 Rain S Snow D L C C C C S S S S S S S $$ MTZ303-221000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 1231 AM MDT Tue Apr 21 2026 Date 04/20/26 Tue 04/21/26 Wed 04/22/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 40 77 43 65 27 Temp 44 41 52 70 75 75 64 56 50 45 52 62 62 50 42 36 32 28 Dewpt 29 28 26 25 23 23 27 31 31 31 33 38 39 39 36 30 26 22 RH 55 59 36 18 14 14 24 38 48 58 48 41 43 66 79 79 78 78 Wind dir W W W S SE SE E NW NW NW NW N N NW NW NW NW NW Wind spd 10 9 5 5 10 11 10 8 5 9 14 21 27 29 31 29 31 29 Wind gust 33 40 43 43 42 43 42 Clouds SC SC FW FW FW B1 B2 SC SC SC SC B2 B2 OV OV OV OV OV PoP 12hr 0 0 5 60 90 QPF 12hr 0 0 0 0.11 0.26 Snow 12hr 00-00 00-00 00-00 RainD L Rain shwrs L L D Snow L L Tstms S Date 04/23/26 Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 40 23 38 20 39 19 44 22 51 Temp 34 37 30 24 34 35 27 23 35 38 26 21 38 43 30 23 44 49 Dewpt 20 18 20 15 13 10 13 13 13 12 16 15 16 16 19 18 20 22 PWind dir NW NW NW NW NW N N NE W Wind char WY BZ WY BZ GN GN GN GN GN Avg clouds OV B2 B2 B1 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 20 20 10 10 5 10 5 10 Snow L C S S S $$ MTZ319-221000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 1231 AM MDT Tue Apr 21 2026 Date 04/20/26 Tue 04/21/26 Wed 04/22/26 Thu 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 81 47 66 32 Temp 48 43 50 68 78 79 68 59 52 47 55 64 63 54 46 42 38 34 Dewpt 25 25 28 29 23 24 28 28 28 28 30 30 31 32 34 33 30 28 RH 40 49 42 23 13 13 22 30 39 47 38 28 30 43 63 70 73 78 Wind dir SW W NW E S S S S S S S S SW W W W NW NW Wind spd 2 2 1 2 11 13 10 6 5 5 9 14 18 18 17 13 11 10 Wind gust 24 26 29 31 29 25 21 Clouds SC SC FW FW SC B2 B1 SC SC FW FW B2 B2 OV OV OV OV OV PoP 12hr 0 5 0 80 100 QPF 12hr 0 0 0 0.06 0.35 Snow 12hr 00-00 00-00 00-00 Rain D D D D Rain shwrs D D D Snow S Tstms S S Date 04/23/26 Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 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 41 25 39 22 43 24 48 28 54 Temp 35 39 31 26 33 38 30 22 36 41 31 24 40 46 35 29 47 53 Dewpt 23 21 21 19 15 14 17 16 16 17 19 18 19 20 23 22 25 25 PWind dir NW NW N NW N N N NW NW Wind char GN GN GN LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 90 60 60 20 20 10 20 10 20 Rain D S Snow D D L C L C S S S S S $$ MTZ326-221000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 1231 AM MDT Tue Apr 21 2026 Date 04/20/26 Tue 04/21/26 Wed 04/22/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 0609 12 15 18 21 00 03 06 09 12 Min/Max 39 78 42 64 32 Temp 44 40 50 70 76 75 63 55 51 46 53 61 61 55 47 42 39 35 Dewpt 22 22 27 28 23 27 33 33 34 31 31 30 29 30 34 35 34 30 RH 41 48 41 21 14 17 32 43 52 55 43 31 29 38 60 76 82 82 Wind dir SE S NE S SW S SE SE SE SE S S SW SW W W W W Wind spd 5 3 1 2 11 11 9 9 8 9 10 18 20 17 13 12 11 10 Wind gust 21 34 36 31 26 Clouds FW SC FW SC B1 B2 B2 B1 B1 FW FW B1 B1 OV OV OV OV OV PoP 12hr 0 0 0 50 100 QPF 12hr 0 0 0 0.02 0.30 Snow 12hr 00-00 00-00 00-00 Rain D D D D Rain shwrs C C D Snow S Tstms S Date 04/23/26 Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 42 23 39 18 45 22 48 25 54 Temp 38 39 29 24 33 37 26 21 36 44 30 25 41 46 34 27 47 52 Dewpt 26 22 21 18 15 14 16 15 16 16 20 19 20 21 24 23 25 25 PWind dir NW NW NW NE NW NE NE E W Wind char GN GN LT LT LT LT LT LT LT Avg clouds OV B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 SC SC PoP 12hr 90 60 60 10 10 10 20 20 20 Rain D S S Rain shwrs L Snow D L L L C S S S S Snowshwrs L Tstms S $$ MTZ330-221000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 1231 AM MDT Tue Apr 21 2026 Date 04/20/26 Tue 04/21/26 Wed 04/22/26 Thu 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 27 67 34 48 26 Temp 32 28 40 61 66 65 51 42 40 36 40 45 45 39 33 31 30 28 Dewpt 20 18 24 25 21 26 32 33 33 29 30 31 30 29 27 27 27 25 RH 61 66 52 25 18 23 48 70 76 75 67 58 55 67 78 85 88 88 Wind dir SE E E S SW S SE E SE S S SW SW SW SW SW SW SW Wind spd 2 2 2 5 9 6 3 3 4 5 9 13 14 13 10 6 5 4 Wind gust 17 23 21 14 19 27 34 36 35 28 20 17 14 Clouds FW FW FW SC B1 SC SC SC SC B1 B1 OV OV OV OV OV OV OV PoP 12hr 0 0 20 80 100 QPF 12hr 0 0 0 0.07 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D D Snow D D D D Snowshwrs C D D D TstmsS S S Winter Storm A A A A A Date 04/23/26 Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 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 39 17 37 12 41 17 44 20 48 Temp 35 35 23 18 32 34 18 13 35 39 23 17 39 42 26 21 43 45 Dewpt 23 21 17 14 15 13 13 10 14 16 17 15 20 21 21 19 22 23 PWind dir W NW N N NW N N N SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV OV B2 B2 B2 B2 B1 SC B1 SC B1 SC B1 B1 B1 SC SC B1 PoP 12hr 90 80 70 30 20 10 30 20 30 Snow D D D L L L C S S C S C Snowshwrs D Tstms S $$ MTZ328-221000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 1231 AM MDT Tue Apr 21 2026 Date 04/20/26 Tue 04/21/26 Wed 04/22/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 40 74 43 59 33 Temp 46 42 50 70 73 72 61 53 49 44 51 57 55 48 42 39 36 34 Dewpt 19 18 21 22 17 18 23 26 25 24 28 30 31 32 30 31 30 28 RH 34 37 31 16 12 13 23 35 39 45 41 35 40 54 62 73 79 78 Wind dir S S SW S S S S SE S S S S SW SW SW SW SW SW Wind spd 5 5 5 13 25 24 16 9 10 13 21 31 26 18 16 13 13 12 Wind gust 36 36 26 32 43 39 28 26 Clouds SC SC SC SC B1 B1 SC SC FW SC SC B2 B2 OV OV OV OV B2 PoP 12hr 0 0 0 70 90 QPF 12hr 0 0 0 0.06 0.14 Snow 12hr 00-00 00-00 00-00 Rain D D D Rain shwrs S S L L D Snow S S C Tstms S S Date 04/23/26 Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 44 23 40 19 44 24 48 27 53 Temp 41 38 28 24 33 38 25 22 36 42 30 26 41 45 33 29 47 52 Dewpt 22 21 21 17 17 17 16 14 17 18 20 19 21 21 23 22 25 24 PWind dir W N N NE N NE NE NE W Wind char BZ GN GN GN LT GN LT GN LT Avg clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC B1 B1 SC B1 SC PoP 12hr 70 70 40 10 5 10 10 10 10 Snow C L L C C C $$ MTZ305-221000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 1231 AM MDT Tue Apr 21 2026 Date 04/20/26 Tue 04/21/26 Wed 04/22/26 Thu 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/Max42 82 48 78 30 Temp 47 43 54 71 80 80 66 61 56 50 57 73 75 69 54 45 39 32 Dewpt 31 30 34 33 28 30 34 35 34 33 36 36 31 34 39 38 34 27 RH 53 60 46 25 15 16 30 38 43 52 45 26 20 27 57 76 82 81 Wind dir SW SW SW W SW E E E E SW SE SW W W NW NW NW NW Wind spd 8 6 5 5 5 9 10 12 10 6 6 11 16 19 21 21 23 23 Wind gust 33 Clouds FW SC SC FW FW SC B2 B1 B1 B1 B1 B1 B1 OV OV OV OV OV PoP 12hr 0 0 10 30 80 QPF 12hr 0 0 0 0 0.18 Snow 12hr 00-00 00-00 00-00 Rain D D D C Rain shwrs C C D Snow S Tstms S S Date 04/23/26 Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 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 42 26 39 22 41 21 45 24 53 Temp 36 39 31 28 35 37 28 25 36 39 27 22 40 44 32 26 45 51 Dewpt 25 22 22 21 20 17 21 18 18 17 21 19 21 20 24 22 25 25 PWind dir NW NW NW NW NW NW NW NE N Wind char WY BZ BZ GN GN GN LT LT LT Avg clouds OV B2 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 50 20 40 30 20 10 20 10 10 Rain C C S Snow C C S S S C C S S S S S $$ MTZ314-221000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 1231 AM MDT Tue Apr 21 2026 Date 04/20/26 Tue 04/21/26 Wed 04/22/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 79 50 72 29 Temp 47 45 57 72 77 76 63 59 56 52 62 70 69 62 51 45 39 33 Dewpt 26 25 29 26 24 32 33 31 31 30 33 25 26 30 36 39 36 29 RH 43 45 34 18 14 20 32 34 38 43 33 18 20 30 56 79 89 85 Wind dir S S SE S S S S S S S SW SW SW W W W W NW Wind spd 5 5 3 4 6 9 9 10 10 10 13 17 18 16 19 23 26 27 Wind gust 31 35 40 41 Clouds FW SC SC FW SC B1 B1 B1 B2 B2 SC B1 B1 B2 B2 OV OV OV PoP 12hr 0 5 10 50 90 QPF 12hr 0 0 0 0.02 0.32 Snow 12hr 00-00 00-00 00-00 Rain D D D Rain shwrs C C D Snow S D D Tstms S S Winter Storm A A A Date 04/23/26 Fri 04/24/26 Sat 04/25/26 Sun 04/26/26 Mon 04/27/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 35 22 34 19 39 20 42 24 48 Temp 31 33 28 23 31 32 25 23 33 37 26 23 38 41 30 27 43 46 Dewpt 24 21 20 17 18 16 16 15 16 16 18 18 18 21 22 22 25 27 PWind dir NW NW NW W NW W N E W Wind char WY BZ BZ GN GN GN GN LT LT Avg clouds OV B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 80 40 60 20 20 20 20 20 20 Rain S Snow D C C C C L S S S S S S S S S S S $$ http://www.weather.gov/greatfalls