Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
381 FOUS55 KTFX 060046 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 546 PM MST Fri Dec 5 2025 MTZ312-061100- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 546 PM MST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 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 16 23 22 41 34 Temp 33 31 27 19 16 14 19 21 23 30 31 33 32 39 41 38 38 38 38 39 Dewpt 30 28 23 16 14 11 14 13 15 21 22 24 24 28 29 27 27 27 27 28 RH 89 88 85 88 92 88 80 71 71 69 69 69 72 64 62 64 64 64 64 64 Wind dir S SW NW NW NW N NE E SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 11 12 13 11 8 5 8 9 17 23 21 18 16 16 18 18 21 24 25 24 Wind gust 33 28 34 Clouds OV B1 B2 B2 OV B2 B1 B2 B2 B1 B1 SC SC SC B1 B2 B1 SC SC SC PoP 12hr 90 60 5 5 5 QPF 12hr 0.10 0.01 0 0 0 Snow 12hr T 00-00 00-00 Rain S C C Snow L C C C L Date 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 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 46 39 48 32 46 24 31 16 30 Temp 43 43 44 47 47 41 38 34 42 41 34 29 29 25 22 19 24 23 Dewpt 31 31 31 34 31 29 27 25 32 32 25 20 20 17 16 12 17 21 PWind dir SW SW W SW SW W W NE N Wind char WY WY WY BZ BZ BZ GN GN GN Avg clouds SC B1 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 PoP 12hr 0 20 60 50 60 50 50 50 50 Rain S L C C C L L C C C C C Snow C C C S S C C C C C C C C $$ MTZ303-061100- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 546 PM MST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 7 16 13 38 28 Temp 29 26 18 8 7 4 10 13 14 21 25 28 28 34 37 33 32 33 33 34 Dewpt 27 24 15 5 4 1 7 7 8 15 18 21 22 27 29 27 26 26 25 27 RH 92 92 88 87 87 87 87 76 76 77 74 75 78 75 72 78 78 75 72 75 Wind dir E N N N N E E SE SW W W W W W SW SW SW W W W Wind spd 5 9 12 12 6 5 8 10 16 21 21 21 18 17 16 13 20 25 25 21 Wind gust 26 35 35 34 31 28 28 24 33 40 40 36 Clouds OV OV B2 B2 B2 B2 B2 B2 B2 B1 SC SC B1 B1 B2 B2 B1 SC SC SC PoP 12hr 80 20 5 0 5 QPF 12hr 0.16 0 0 0 0 Snow 12hr 1 00-00 00-00 Snow L C C Wind chill -7 -4 -7 -2 -2 Min chill -8 -8 -6 -3 Date 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 41 32 42 26 39 13 24 7 21 Temp 38 38 37 38 40 34 31 27 34 33 24 19 22 16 14 10 14 15 Dewpt 31 31 30 31 33 27 24 21 29 28 18 14 17 12 9 7 11 18 PWind dir W SW W W SW W NW N E Wind char BZ WY WY BZ BZ BZ BZ GN GN Avg clouds B1 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 PoP 12hr 5 30 50 40 40 40 40 40 40 Rain S C C C C C C C C C C Snow S C C C C C C C C C C C C $$ MTZ319-061100- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 546 PM MST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 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 30 40 28 42 30 Temp 39 39 37 32 33 38 38 37 35 34 33 33 32 37 41 38 37 35 35 36 Dewpt 35 35 32 28 30 31 30 27 25 23 23 24 23 27 28 26 26 26 25 27 RH 85 85 82 85 89 76 73 67 66 64 66 69 69 67 59 62 64 69 66 69 Wind dir SE W W W W W W SW SW SW W W SW SW SW SW SW SW SW SW Wind spd 10 13 16 16 13 12 13 12 13 13 11 10 10 9 10 11 12 11 10 9 Wind gust 26 33 32 27 25 27 24 26 25 24 20 20 Clouds OV B1 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B2 PoP 12hr 90 70 30 10 20 QPF 12hr 0.17 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L C L L L C C C S S Snow S S L L C C C C C C S S Date 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 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 44 36 48 33 46 30 42 23 38 Temp 39 43 42 44 46 42 39 35 39 44 40 35 35 37 30 26 31 34 Dewpt 29 31 30 34 35 29 29 29 33 35 30 26 28 26 23 22 27 27 PWind dir SW SW W W SW W W W W Wind char GN BZ BZ GN GN GN GN GN LT Avg clouds B2 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B1 B2 B2 B2 B2 PoP 12hr 10 30 70 70 70 60 50 50 40 Rain C L L L L L L L C C C C C C C Snow S S S S S C C C C C C C $$ MTZ326-061100- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 546 PM MST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 28 39 22 40 25 Temp 34 34 34 31 33 37 37 36 32 28 27 29 29 35 39 36 33 31 31 32 Dewpt 31 32 31 26 30 31 29 28 25 21 21 22 23 26 26 24 25 24 25 25 RH 89 92 89 81 89 79 72 72 75 75 78 75 78 69 59 61 72 75 78 75 Wind dir NE W W W SW W W W SW SW SW SW SW SW SW S S SW SW SW Wind spd 10 10 11 11 10 8 10 11 12 11 10 10 8 6 8 9 10 10 10 9 Wind gust 21 20 18 Clouds OV OV B2 OV OV OV OV OV OV B2 B1 B2 B2 B1 B2 OV OV B2 B2 B2 PoP 12hr 90 70 30 5 10 QPF 12hr 0.08 0.02 0 0 0 Snow 12hr T 00-00 00-00 Rain L L C C Snow L C C L C C C C S S Date 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 43 31 48 30 46 30 45 26 43 Temp 37 40 37 43 46 42 36 32 41 44 39 35 39 40 33 30 35 40 Dewpt 30 29 28 33 35 29 30 28 35 33 31 27 30 28 27 26 29 28 PWind dir SW SW W W SW W W SW SW Wind char GN GN BZ GN GN GN GN GN LT Avg clouds B2 B2 OV OV OV B2 B2 OV OV B2 B2 B2 B2 B1 B2 B2 OV B2 PoP 12hr 5 20 50 60 70 50 40 30 30 Rain S C C C L L L C C C C C C C S Snow S S S S C C C C C C S $$ MTZ330-061100- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 546 PM MST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 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 20 32 14 29 20 Temp 26 27 26 22 24 30 31 28 23 19 17 17 17 26 29 27 25 24 22 22 Dewpt 24 26 24 18 21 24 23 21 18 16 14 15 15 21 21 21 21 21 21 20 RH 92 96 92 84 88 78 72 75 81 88 88 92 92 81 72 78 84 88 96 92 Wind dir SW SW SW W SW W W SW SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 14 14 13 11 10 11 13 10 9 8 5 5 5 9 13 12 13 10 6 4 Wind gust 29 29 26 21 24 24 26 21 Clouds OV B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 OV B2 B2 B2 OV B2 B2 OV PoP 12hr 100 80 50 50 70 QPF 12hr 0.15 0.02 0.01 0.01 0.05 Snow 12hr 2 T T Snow L L C C L L L C C C C C C C C L L C C C Winter Storm W W W W W W Date 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 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 25 38 25 39 24 38 20 38 Temp 30 31 29 31 36 35 30 26 35 37 32 27 34 36 27 24 33 35 Dewpt 26 25 26 28 32 26 26 25 32 31 29 24 28 25 23 22 28 28 PWind dir SW SW SW SW SW SW SW SW SW Wind char LT BZ BZ GN GN GN GN GN GN Avg clouds OV B2 B2 B2 OV B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B2 OV B1 PoP 12hr 40 60 70 70 80 50 50 30 30 Rain L L L L D L C C C C C C S Snow C C C L L L S L S L C C C C C C C C $$ MTZ328-061100- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 546 PM MST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 28 40 23 38 27 Temp 36 36 33 29 31 38 38 34 30 27 26 27 26 34 38 33 30 29 29 30 Dewpt 32 32 28 24 27 28 26 24 22 19 18 20 20 23 23 23 22 22 22 22 RH 85 85 82 81 85 67 62 66 72 71 71 74 78 64 54 66 72 75 75 72 Wind dir SW SW SW SW SW SW W SW SW SW SW SW S SW SW S S S S S Wind spd 13 16 18 17 16 16 16 11 12 13 12 11 11 10 10 10 11 11 11 11 Wind gust 27 Clouds B2 B1 B1 SC SC B1 B1 B1 FW SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 80 30 5 0 10 QPF 12hr 0.05 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C Snow C S S S Date 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 41 32 48 32 49 31 45 29 47 Temp 37 38 35 40 46 40 36 33 45 45 38 34 41 41 35 32 43 41 Dewpt 26 28 26 31 36 29 29 29 37 35 30 26 29 28 27 24 32 30 PWind dir SW S SW SW SW SW SW SW SW Wind char GN BZ BZ GN GN GN GN GN GN Avg clouds B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B1 PoP 12hr 0 20 50 50 50 30 20 20 10 Rain S C C C C C C C S S S S Snow S S S S S C S S S S $$ MTZ305-061100- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 546 PM MST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 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 14 7 31 24 Temp 24 23 20 13 10 9 12 11 9 11 13 16 14 25 30 28 28 29 29 32 Dewpt 22 22 19 10 9 7 9 8 7 9 11 12 13 21 24 23 24 24 24 27 RH 92 96 96 87 96 91 87 87 91 91 91 84 96 84 78 81 85 81 81 81 Wind dir E E E E NE E E E E E S SW SW SW SW SW SW SW SW SW Wind spd 9 11 13 12 11 10 6 6 5 5 5 8 9 10 11 12 14 18 18 18 Wind gust 28 29 Clouds OV OV OV OV OV OV B2 B2 OV OV B2 B1 SC SC B1 B2 B1 B1 SC SC PoP 12hr 90 60 60 5 5 QPF 12hr 0.19 0.03 0.07 0 0 Snow 12hr 2 T 1 Snow C D L L L L S S Wind chill -2 -4 -5 -1 Min chill -2 -5 -1 -1 Winter Weath Y Y Y Y Y Date 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 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 41 29 43 19 36 12 26 3 18 Temp 36 37 35 39 41 33 27 21 32 32 22 18 22 19 11 7 13 14 Dewpt 32 31 30 34 35 28 22 18 28 29 20 14 16 13 8 4 8 13 PWind dir SW SW W W SW W NW N NE Wind char BZ BZ BZ GN GN GN GN GN GN Avg clouds SC B1 B2 OV OV B2 B2 B1 B2 B2 B2 B2 OV B2 B2 B2 OV B2 PoP 12hr 0 30 60 40 50 50 50 50 50 Rain S C L C C C C C C C Snow C C C C C C C C C C C C $$ MTZ314-061100- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 546 PM MST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 15 26 21 39 27 Temp 24 25 25 19 19 19 22 22 23 28 29 30 30 36 39 34 32 32 33 34 Dewpt 19 23 22 17 19 17 18 17 18 22 21 23 24 28 28 25 24 24 24 26 RH 81 92 88 92100 92 84 81 81 78 72 75 78 72 64 69 72 72 69 72 Wind dir S S SW W W NW W W SW W W W W W W SW SW SW SW W Wind spd 9 9 10 13 10 5 5 5 10 12 13 14 13 10 11 10 13 13 14 14 Wind gust 23 26 27 25 20 21 25 26 27 Clouds B2 OV OV OV OV OV B2 OV OV B2 B2 B2 B1 B1 B1 B2 B2 B1 SC FW PoP 12hr 90 70 40 5 10 QPF 12hr 0.14 0.19 0.01 0 0 Snow 12hr 1 2 T Rain S Snow C D C L C S C C Winter Weath Y Y Y Y Y Date 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 42 32 46 25 43 18 31 11 30 Temp 40 38 38 43 44 36 32 27 38 38 31 24 28 25 19 16 23 23 Dewpt 31 29 29 34 35 29 26 22 31 31 25 18 22 19 16 13 19 24 PWind dir W SW W W W W W NW SW Wind char GN BZ BZ GN GN GN GN LT LT Avg clouds SC B1 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 PoP 12hr 0 20 60 60 60 60 50 50 50 Rain S C L L C L L L C C C Snow S L C L S S C C C C C C C $$ http://www.weather.gov/greatfalls