Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
395 FOUS55 KTFX 011431 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 731 AM MST Mon Dec 1 2025 MTZ312-012300- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 731 AM MST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 34 28 34 17 33 Temp 24 31 34 32 33 32 31 33 32 33 34 32 29 28 26 22 19 28 33 29 Dewpt 17 19 22 20 23 22 23 28 28 29 30 27 25 24 22 18 15 23 24 22 RH 74 61 61 61 66 66 72 82 85 85 85 81 85 85 85 84 84 81 69 75 Wind dir SW SW SW SW SW SW SW SW SW W W NW NW NW NW S SW SW SW SW Wind spd 13 14 18 17 20 19 18 16 11 9 8 6 8 9 5 4 5 8 11 13 Wind gust 25 27 31 29 Clouds SC SC B1 B2 B2 B2 B2 OV OV OV OV OV OV OV B2 B2 B1 FW FW SC PoP 12hr 5 40 90 60 5 QPF 12hr 0 0.08 0.26 0.08 0 Snow 12hr 00-00 T 2 Snow C C C D D D D L L S S Winter Weath Y Y Y Y Y Y Y Y Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 23 37 24 40 12 29 13 36 Temp 28 29 34 35 33 29 35 36 30 18 21 20 20 20 32 32 Dewpt 19 21 26 26 25 23 30 30 22 12 15 15 15 12 22 22 PWind dir SW SW SW SW W NW SW SW Wind char BZ BZ GN GN BZ GN GN BZ Avg clouds SC B1 B1 B1 B1 B1 B1 B2 B1 B2 B2 B1 B2 B1 B1 B1 PoP 12hr 0 10 30 40 50 50 20 10 Rain C C Snow C S C C C C C C S $$ MTZ303-012300- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 731 AM MST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 31 23 33 8 30 Temp 22 28 31 29 27 27 27 28 26 30 32 28 23 21 17 13 9 22 29 25 Dewpt 16 21 23 22 20 18 20 25 23 27 29 26 22 18 14 11 8 19 24 20 RH 77 75 72 75 74 68 74 88 88 88 88 92 96 88 88 91 96 88 81 81 Wind dir W W W W W W W W W W NW NW NW NW NW SW SW SW SW W Wind spd 16 18 21 21 23 21 20 18 16 14 13 11 10 8 4 4 5 9 13 16 Wind gust 27 31 35 35 36 35 33 29 24 25 Clouds SC B1 B2 B2 B1 B2 B2 OV OV OV B2 B2 B2 B2 B2 B1 B1 SC SC B1 PoP 12hr 0 30 70 30 0 QPF 12hr 0 0.02 0.07 0.02 0 Snow 12hr 00-00 T 1 Snow S S S S L L L L C C Obvis BS BS BS BS BS BS Wind chill -1 Min chill -1 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 19 34 20 34 3 21 5 34 Temp 24 24 30 30 27 23 29 29 20 9 13 13 13 13 28 30 Dewpt 16 18 24 24 21 19 26 26 16 8 10 9 7 9 22 23 PWind dir W W W W NW NW SW SW Wind char BZ BZ BZ GN BZ GN GN BZ Avg clouds B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 0 5 10 30 40 40 20 10 Snow C C C C C S $$ MTZ319-012300- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 731 AM MST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 34 25 35 18 33 Temp 6 15 26 29 30 28 30 30 27 31 34 32 30 29 27 22 19 27 32 28 Dewpt 4 11 13 15 20 20 22 24 23 28 27 26 25 23 21 17 17 23 23 20 RH 91 84 57 55 66 71 72 78 85 88 75 78 81 78 78 81 92 85 69 71 Wind dir SW SE S SW SW S S SW SW W NW NW NW NW W W SW SW SW SW Wind spd 5 5 6 10 9 9 6 4 4 4 4 5 5 5 2 2 2 2 4 6 Clouds B1 B1 B1 OV OV B2 B2 OV B2 OV OV OV OV B2 B2 B2 B1 SC FW SC PoP 12hr 10 50 80 50 5 QPF 12hr 0 0.03 0.07 0.04 0 Snow 12hr 00-00 T 1 Snow C C C L L D D C C S S Wind chill -4 Min chill -6 Winter Weath Y Y Y Y Y Y Y Y Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 19 37 26 42 24 35 22 39 Temp 24 25 31 35 34 30 37 40 35 29 29 32 29 25 33 35 Dewpt 16 20 25 25 25 25 31 31 25 23 25 22 21 20 25 23 PWind dir SW SW SW SW W W SW SW Wind char GN LT GN LT GN GN GN GN Avg clouds SC B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 PoP 12hr 0 20 30 50 60 60 30 20 Rain C L C Snow S C C C C S S L C C S S $$ MTZ326-012300- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 731 AM MST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 31 21 35 15 32 Temp 5 18 28 27 26 25 26 28 28 32 34 32 27 24 23 20 17 26 31 26 Dewpt 5 12 16 17 20 22 22 24 26 29 30 28 25 23 21 18 15 22 22 17 RH 100 77 60 65 78 88 85 85 92 88 85 85 92 96 92 92 92 85 69 68 Wind dir S W S S E SE E E S W NW NW NW NW W SW S SW W S Wind spd 5 2 4 8 9 8 8 5 5 3 4 4 3 3 2 2 2 2 2 4 Clouds B1 SC B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 SC FW SC PoP 12hr 5 50 80 50 0 QPF 12hr 0 0.08 0.06 0.03 0 Snow 12hr 00-00 1 1 Snow C C S C L L D D C C Obvis PF Wind chill -5 Min chill -5 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 14 36 21 40 24 38 20 39 Temp 17 20 30 32 28 26 33 36 35 29 31 33 28 25 34 36 Dewpt 12 16 23 23 24 22 28 27 29 26 27 24 24 20 26 24 PWind dir S S S S SW W SW SW Wind char LT LT GN LT GN GN GN LT Avg clouds SC B1 B2 B1 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 PoP 12hr 0 10 40 40 50 50 30 10 Rain C C C Snow C C C C C C C C C S $$ MTZ330-012300- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 731 AM MST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 25 15 28 6 29 Temp 4 17 24 21 19 19 18 19 19 24 28 25 20 16 12 8 7 21 28 23 Dewpt 2 12 15 15 15 15 16 15 17 21 21 20 17 14 10 7 5 15 15 14 RH 91 80 68 77 84 84 92 84 92 88 75 81 88 92 91 96 91 77 58 68 Wind dir S SW SW SW S SW SW SW SW SW SW SW N N N N N N W SW Wind spd 2 5 10 10 11 10 9 6 5 6 6 2 2 3 3 2 2 2 3 2 Wind gust 21 Clouds B2 B1 B1 B2 OV OV OV OV OV OV OV B2 OV B1 SC B1 B1 FW FW FW PoP 12hr 10 70 90 40 5 QPF 12hr 0 0.07 0.04 0.02 0 Snow 12hr 00-00 1 1 Snow C L L C D D D D C C Obvis PF Winter Weath Y Y Y Y Y Y Y Y Y Y Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 8 26 14 30 19 34 14 31 Temp 10 11 22 23 18 16 25 28 26 22 30 30 21 15 27 28 Dewpt 8 9 18 17 16 14 21 22 22 19 24 23 19 15 23 22 PWind dir SW SW SW SW SW SW SW SW Wind char LT LT LT LT GN GN LT GN Avg clouds FW B1 OV B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B2 OV B2 PoP 12hr 5 30 50 60 60 70 40 40 Snow S C C C C L L L L L C C S C $$ MTZ328-012300- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 731 AM MST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 36 23 37 15 33 Temp 10 26 35 30 28 26 27 28 27 34 37 33 28 24 22 18 16 26 32 26 Dewpt 5 15 16 17 18 19 20 21 22 26 28 28 25 21 18 15 13 19 19 17 RH 80 62 45 58 66 74 74 75 81 72 70 82 88 88 84 88 88 74 58 68 Wind dir S SW SW SW SW SW SW SW S SW W N N N N SW S SW SW S Wind spd 6 5 6 8 10 11 11 10 10 6 5 5 6 8 6 5 5 3 4 5 Clouds SC SC B1 OV OV B2 B2 OV B2 B2 B2 OV OV B2 B1 B1 SC FW FW FW PoP 12hr 5 40 40 20 0 QPF 12hr 0 0 0 0.03 0 Snow 12hr 00-00 00-00 00-00 Snow C C S S S C C S S Wind chill -1 Min chill -2 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 16 36 22 40 26 41 20 38 Temp 18 21 30 31 26 25 34 36 34 30 36 34 27 22 33 33 Dewpt 12 15 21 21 20 20 27 29 27 23 27 25 21 17 21 21 PWind dir S S S S SW SW SW S Wind char LT GN GN GN GN GN GN GN Avg clouds SC B1 B1 SC B2 B2 B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 5 20 30 40 30 10 10 Rain C Snow S C C C C S $$ MTZ305-012300- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 731 AM MST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 29 20 35 5 25 Temp 8 18 26 26 26 25 25 28 27 32 34 29 21 14 9 8 6 17 24 18 Dewpt 3 11 18 21 22 21 22 25 26 29 30 27 19 13 8 7 5 14 19 16 RH 79 73 71 81 85 84 88 88 96 88 85 92 92 96 96 96 96 88 81 92 Wind dir SW SW SW SW SW SW SW SW SW W W NW NW N NW SW S S S S Wind spd 12 13 13 13 14 14 13 13 12 12 13 13 11 6 4 3 4 5 5 9 Clouds B1 SC B1 B2 B2 OV OV OV OV B2 OV OV B2 B2 B1 B2 B2 B1 SC B1 PoP 12hr 5 40 60 30 5 QPF 12hr 0 0.03 0.03 0 0 Snow 12hr 00-00 T T Rain C Snow C C L L C C C C Wind chill -8 -3 Min chill -10 -1 -3 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 11 35 19 33 3 16 -1 29 Temp 17 21 29 32 28 24 29 28 21 11 12 11 6 4 18 27 Dewpt 15 17 25 28 25 22 27 25 19 9 10 9 5 2 14 21 PWind dir SW SW W SW NW NE E SW Wind char GN GN GN GN GN GN LT GN Avg clouds B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 PoP 12hr 0 10 30 40 60 50 30 10 Snow C S C L C C C C $$ MTZ314-012300- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 731 AM MST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 35 23 33 13 32 Temp 14 27 32 30 28 28 28 28 29 31 31 30 26 23 19 14 16 27 32 25 Dewpt 8 16 20 21 20 21 22 26 26 30 29 27 25 22 17 13 15 22 24 19 RH 76 63 61 69 71 75 78 92 88 96 92 88 96 96 92 96 96 81 72 78 Wind dir SW SW W SW W W W W W W NW NW NW NW NW W W SW SW SW Wind spd 6 5 8 9 10 10 10 9 9 10 12 12 13 11 8 5 5 4 5 6 Wind gust 23 Clouds SC B1 B1 B2 OV B2 OV OV OV OV OV OV OV OV OV OV B2 SC FW SC PoP 12hr 0 40 80 60 10 QPF 12hr 0 0.10 0.26 0.11 0.01 Snow 12hr 00-00 1 3 Snow S S S S D D L L L L S S Winter Weath Y Y Y Y Y Y Y Y Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 18 37 22 39 13 30 11 36 Temp 22 25 33 34 31 27 33 35 30 20 24 21 19 17 31 32 Dewpt 15 19 25 26 26 23 28 29 25 17 20 18 15 11 22 22 PWind dir SW SW W SW W W SW SW Wind char GN GN GN GN GN GN LT GN Avg clouds SC B1 B1 SC B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 0 10 40 40 60 60 40 20 Snow C C C C L C L C C S $$ http://www.weather.gov/greatfalls