Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
159 FOUS55 KTFX 040316 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 816 PM MST Wed Dec 3 2025 MTZ312-041100- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 816 PM MST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 Sat MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 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 23 38 24 35 14 Temp 28 27 28 29 34 37 36 33 32 30 26 27 33 33 29 28 27 25 20 Dewpt 19 19 20 21 26 29 27 26 25 23 21 23 29 28 26 25 23 19 15 RH 68 71 71 72 72 72 69 75 75 75 81 85 85 82 88 88 85 78 81 Wind dir SW SW SW SW SW SW SW SW SW SW W SW SW SW S W NW NW NW Wind spd 18 19 19 21 20 18 14 13 12 11 10 9 10 11 11 12 12 10 10 Wind gust 31 28 Clouds B1 B1 SC B1 B2 OV B2 OV B2 B2 B2 B2 B2 B2 OV OV OV OV B2 PoP 12hr 5 30 30 50 70 QPF 12hr 0 0.01 0.04 0.08 0.14 Snow 12hr 00-00 00-00 T Snow C C C C C C C C C C L L L L C Obvis BS BS BS BS BS Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 29 18 41 33 44 36 50 32 42 Temp 23 24 24 29 38 39 37 38 41 41 38 44 48 46 40 37 38 37 Dewpt 19 20 18 21 29 29 28 28 32 30 26 31 35 32 27 25 28 27 PWind dir W SW SW SW SW SW SW W SW Wind char GN GN BZ BZ BZ BZ WY BZ BZ Avg clouds B2 B2 B1 SC B1 B1 B1 B1 B1 SC B2 B2 B2 B1 B1 B2 B2 B1 PoP 12hr 40 20 10 10 10 20 40 50 50 Rain S C C C C C C Snow C S S S C C C C C C $$ MTZ303-041100- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 816 PM MST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 Sat MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 21 35 20 30 6 Temp 26 26 27 29 33 35 31 28 27 25 22 22 27 28 22 19 17 14 10 Dewpt 18 18 20 21 26 27 25 23 21 20 18 21 24 25 21 18 14 11 7 RH 71 71 74 72 75 72 78 81 78 81 84 96 88 88 96 96 88 88 87 Wind dir W W W W W W W W W W W NW W W E N NW N N Wind spd 26 23 24 25 23 21 18 17 14 13 11 9 9 10 10 11 11 10 9 Wind gust 41 37 39 42 39 37 32 31 26 Clouds FW FW SC B2 B1 SC SC B1 B1 B1 B1 B2 B2 B2 OV OV OV B2 B2 PoP 12hr 5 20 10 40 50 QPF 12hr 0 0.01 0 0.01 0.04 Snow 12hr 00-00 00-00 00-00 Snow S S S C C C C C C C Wind chill -3 Min chill -3 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 23 10 39 28 41 30 44 25 37 Temp 15 18 20 28 34 37 34 33 37 37 32 36 41 38 33 29 33 31 Dewpt 13 15 13 21 28 30 26 26 31 30 25 29 33 30 24 22 26 26 PWind dir S SW W W W SW W W W Wind char GN GN BZ BZ BZ BZ WY BZ BZ Avg clouds B2 B2 B1 SC B1 B1 B1 SC SC B1 B2 B2 B2 B1 B2 B2 B1 B2 PoP 12hr 30 10 10 10 10 20 40 40 30 Rain S C C C Snow C C S C C C C C C $$ MTZ319-041100- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 816 PM MST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 Sat MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 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 21 36 26 38 24 Temp 27 26 26 25 31 34 35 34 33 31 27 29 32 35 35 34 32 31 28 Dewpt 18 17 19 19 24 27 25 26 27 25 24 26 29 30 28 26 26 25 24 RH 68 68 74 78 75 75 66 72 78 78 88 88 88 82 75 72 78 78 85 Wind dir W SW SW S S SW SW W W W W SW SW SW SW W W W W Wind spd 10 9 8 8 8 10 10 10 9 6 5 4 5 8 10 11 10 9 5 Wind gust 21 Clouds B2 B2 B1 B2 OV OV B2 B2 B2 B2 OV OV B2 B2 B2 OV OV OV OV PoP 12hr 5 40 40 60 80 QPF 12hr 0 0.01 0.03 0.05 0.06 Snow 12hr 00-00 00-00 T Rain C L D Snow C C C C C C C C L L D D C C L Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 37 25 40 30 44 34 48 32 41 Temp 30 34 31 29 34 38 36 37 39 42 36 42 44 46 39 35 36 39 Dewpt 27 25 22 23 28 26 26 29 32 30 26 32 36 32 30 28 30 29 PWind dir W SW SW SW SW SW SW W W Wind char LT GN GN GN GN GN BZ GN GN Avg clouds OV B1 B2 B1 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 PoP 12hr 60 20 20 20 20 20 50 60 60 Rain C S S S S S S C C L L L C Snow L C S S S S S S S C S L L C $$ MTZ326-041100- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 816 PM MST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 Sat MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 14 33 23 36 24 Temp 19 20 21 20 27 32 32 31 29 28 25 26 32 34 33 32 30 31 29 Dewpt 16 16 17 16 22 25 26 27 27 26 23 25 30 29 28 28 27 26 25 RH 88 84 84 84 81 75 78 85 92 92 92 96 92 82 82 85 88 81 85 Wind dir S SE E SE NE SW E SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 8 8 6 8 5 5 8 6 5 5 5 5 4 6 9 10 9 8 6 Clouds B2 B2 B2 B1 OV OV OV OV OV OV OV B2 OV OV OV OV OV OV OV PoP 12hr 5 50 50 50 80 QPF 12hr 0 0.01 0.20 0.06 0.16 Snow 12hr 00-00 00-00 1 Snow C C C C C C C C C C D D C C C Obvis PF Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 36 20 39 27 44 28 48 30 42 Temp 32 34 26 25 31 38 32 33 38 40 30 37 44 46 37 34 38 40 Dewpt 29 27 21 21 25 26 25 26 31 28 24 28 33 31 29 29 33 30 PWind dir W SW S SW SW SW SW W W Wind char LT GN LT GN GN GN GN GN GN Avg clouds OV B2 B2 B2 B1 B2 B2 B2 B2 B1 B2 B2 OV B2 B2 B2 B2 B2 PoP 12hr 50 20 10 20 10 20 40 40 50 Rain S S S C C C C C C Snow C C S S S S S C C C C C C $$ MTZ330-041100- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 816 PM MST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 Sat MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 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 9 24 15 30 18 Temp 14 14 14 15 20 23 22 19 19 18 16 18 25 28 27 26 24 22 20 Dewpt 12 13 12 14 16 17 16 16 17 16 15 16 22 22 23 23 23 21 19 RH 92 96 92 96 84 77 77 88 92 92 96 92 88 78 85 88 96 96 96 Wind dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW W Wind spd 6 6 6 6 11 12 11 10 8 5 4 6 6 12 11 12 10 6 5 Wind gust 24 23 21 18 23 24 20 Clouds B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV PoP 12hr 30 80 80 80 90 QPF 12hr 0.01 0.03 0.11 0.12 0.14 Snow 12hr T T 2 Snow C L D D L L L L D D D D L L D Obvis PF PF PF PF Winter Storm A A A A A A A A A A A A Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 32 14 30 21 35 24 38 22 37 Temp 28 29 18 17 26 28 24 24 31 32 25 27 33 36 27 24 32 35 Dewpt 24 23 15 15 22 22 21 23 27 25 23 26 30 27 24 22 28 27 PWind dir SW SW SW SW SW SW SW SW SW Wind char LT LT LT GN GN GN GN GN GN Avg clouds OV OV B2 B2 OV B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2 B2 PoP 12hr 80 50 50 40 40 30 50 50 60 Snow D D C C C C C C C C S C C C C C L L $$ MTZ328-041100- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 816 PM MST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 Sat MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 18 36 23 40 26 Temp 22 22 22 22 31 35 34 30 29 27 25 26 35 39 35 32 32 31 30 Dewpt 15 14 15 15 21 22 24 23 23 21 20 23 29 30 29 27 27 26 24 RH 74 71 74 74 66 59 66 75 78 78 81 88 78 70 78 81 81 81 78 Wind dir SW SW SW SW SW SW SW S SW SW SW S SW SW SW SW SW SW SW Wind spd 11 11 11 11 11 11 11 11 10 11 10 10 10 12 11 13 12 12 12 Clouds B1 SC SC B1 B2 B2 OV OV B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 PoP 12hr 5 20 30 40 60 QPF 12hr 0 0 0 0.01 0.05 Snow 12hr 00-00 00-00 00-00 Snow S S C C C C L L S S S Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 40 20 38 26 43 30 48 30 44 Temp 36 34 25 23 32 34 28 30 38 38 31 34 44 43 35 32 40 40 Dewpt 28 24 18 17 24 25 21 23 29 28 24 26 33 31 27 27 32 31 PWind dir SW SW S S SW S SW SW SW Wind char GN GN GN GN GN GN GN GN GN Avg clouds B2 B1 B1 B1 B1 B1 B2 B1 B1 SC B1 B2 B2 B1 B1 B2 B2 B2 PoP 12hr 20 10 5 10 5 10 30 30 30 Rain S C C C C C Snow S S C C C C C $$ MTZ305-041100- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 816 PM MST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 Sat MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 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 10 35 18 30 5 Temp 18 19 23 23 28 33 32 28 26 24 21 21 27 27 23 20 17 13 9 Dewpt 14 16 19 19 24 28 28 26 24 22 18 20 24 23 20 19 16 11 7 RH 84 88 84 84 85 82 85 92 92 92 88 96 88 85 88 96 96 91 91 Wind dir SW SW SW SW SW SW SW SW SW SW W W NW E E E E NE NE Wind spd 14 14 16 16 16 14 13 12 12 12 11 9 6 8 9 10 10 9 9 Wind gust 25 Clouds B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 OV OV OV OV OV OV PoP 12hr 10 20 20 40 80 QPF 12hr 0 0 0 0.03 0.09 Snow 12hr 00-00 00-00 00-00 Rain S Snow S S C C D D C C C Wind chill -4 Min chill -1 -4 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 15 0 33 23 39 26 42 21 35 Temp 12 12 6 10 23 32 29 30 35 36 28 33 39 37 28 25 31 30 Dewpt 10 9 4 8 19 27 25 26 31 30 25 29 32 31 26 22 25 24 PWind dir E SE SW SW SW SW SW W W Wind char GN LT GN GN BZ BZ BZ GN GN Avg clouds OV B2 B2 B1 B1 B1 B2 SC SC SC B1 B2 OV B2 B2 B2 B2 B1 PoP 12hr 40 30 5 10 10 20 40 50 40 Rain S C C C S Snow C S C S C C C C C C $$ MTZ314-041100- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 816 PM MST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 Sat MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 18 36 21 34 14 Temp 21 23 25 24 33 35 34 31 30 28 24 24 32 32 29 26 25 24 19 Dewpt 15 16 19 18 26 29 28 27 26 24 20 22 27 27 25 25 22 21 17 RH 77 74 78 77 75 78 78 85 85 85 84 92 81 81 85 96 88 88 92 Wind dir SW W W SW W W W W W W W W W W S S SW W NW Wind spd 9 11 11 11 11 13 13 12 10 10 10 8 5 6 9 10 10 9 8 Wind gust 23 25 25 Clouds B2 B2 B1 SC B2 OV OV OV B2 B2 B2 B1 B2 B2 OV OV OV OV OV PoP 12hr 5 30 40 40 80 QPF 12hr 0 0 0.04 0.04 0.11 Snow 12hr 00-00 00-00 T Snow C C C S S S S C C D D L L C Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 29 16 40 28 42 30 48 27 39 Temp 23 24 23 26 36 37 34 35 40 38 33 39 45 43 35 32 35 35 Dewpt 20 20 18 19 28 28 26 27 32 29 26 30 34 33 29 25 27 28 PWind dir W SW SW SW W SW W W W Wind char LT GN GN GN GN GN BZ BZ GN Avg clouds OV B2 B2 B1 SC B1 B2 B1 B1 SC B1 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 50 30 10 20 5 20 40 60 50 Rain S S C C L C Snow C C C S S C C L C C C $$ http://www.weather.gov/greatfalls