Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
423 FOUS55 KTFX 212108 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 207 PM MST Thu Nov 21 2024 MTZ312-221100- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 207 PM MST Thu Nov 21 2024 Date Thu 11/21/24 Fri 11/22/24 Sat 11/23/24 Sun 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 27 21 28 7 Temp 34 28 26 24 21 22 24 25 24 22 23 23 22 24 27 27 22 17 15 14 12 Dewpt 23 20 19 18 17 18 20 21 22 20 21 21 18 21 23 22 19 14 11 8 6 RH 64 71 74 77 84 84 84 84 92 92 92 92 84 88 85 81 88 88 84 76 76 Wind dir E N NW N NE NE NE NE NE NE NE NE NE N NW NW NW NW W W W Wind spd 8 6 6 5 5 6 6 6 5 4 4 3 4 5 6 10 12 11 10 8 6 Clouds B2 B2 B2 OV OV OV OV OV OV B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 PoP 12hr 20 80 60 100 70 QPF 12hr 0 0.08 0.02 0.24 0.10 Snow 12hr 00-00 T 00-00 Frzg drzl S S L Frzg rain C S Rain S Snow S C D S L D D D D L L C C C Winter Weath Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 11/24/24 Mon 11/25/24 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 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 16 0 21 9 34 14 32 9 22 Temp 15 11 6 2 15 18 17 17 31 28 22 19 27 25 16 14 20 17 Dewpt 9 7 2 -3 10 12 11 9 21 22 16 13 20 20 11 8 13 12 PWind dir W E SE SW SW SW SW W W Wind char LT LT LT LT GN LT LT LT LT Avg clouds B2 B1 B1 B1 B2 B1 B1 SC SC FW SC B1 B1 SC B1 B1 B2 B1 PoP 12hr 30 10 5 10 5 10 20 30 20 Snow C S C S S S $$ MTZ303-221100- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 207 PM MST Thu Nov 21 2024 Date Thu 11/21/24 Fri 11/22/24 Sat 11/23/24 Sun MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 12 21 14 21 0 Temp 24 19 18 15 13 14 17 19 18 16 17 16 15 17 19 19 14 9 9 9 5 Dewpt 17 16 13 12 10 11 15 16 16 15 15 14 14 15 17 16 11 6 5 5 1 RH 74 88 80 88 87 88 92 88 92 96 92 92 96 92 92 88 88 87 83 83 83 Wind dir N N N N N N NE NE E E E E E NE N NW NW NW NW NW NW Wind spd 9 10 8 5 3 4 5 6 5 5 4 4 5 6 19 25 25 27 26 23 16 Wind gust 35 35 39 36 Clouds OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV B2 PoP 12hr 60 100 80 100 60 QPF 12hr 0.04 0.17 0.07 0.23 0.06 Snow 12hr T 2 T Frzg drzl S S S Snow C C C C D C C C D D D D D D L L C C S Obvis BS BS BS BS BS BS Wind chill -5-12-13-12-14 Min chill -6 -14 -16 Winter Storm A A A A A A A A Winter Weath Y Y Y Y Y Y Date 11/24/24 Mon 11/25/24 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 12 -7 13 2 30 10 27 5 17 Temp 10 7 1 -5 8 11 10 11 25 24 18 14 22 19 12 8 14 12 Dewpt 6 3 -2 -8 5 7 6 6 20 20 14 10 17 15 8 4 9 9 PWind dir NW W SE SW W W NW NW NW Wind char GN LT LT LT GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B2 B1 B1 SC FW SC B1 B1 SC B1 B2 B2 B2 PoP 12hr 20 10 10 5 5 5 20 20 20 Snow S S S S $$ MTZ319-221100- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 207 PM MST Thu Nov 21 2024 Date Thu 11/21/24 Fri 11/22/24 Sat 11/23/24 Sun 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 42 29 42 15 Temp 44 39 38 34 29 30 34 40 40 37 34 33 30 31 36 38 32 29 25 23 19 Dewpt 32 30 30 28 26 27 31 33 33 31 28 28 26 26 30 29 25 20 17 15 12 RH 62 70 73 78 88 88 89 76 76 79 78 82 85 81 79 70 75 69 71 71 74 Wind dir SE S S W W W NW N NW NW SW S S S S W NW NW NW NW NW Wind spd 6 5 4 2 2 2 2 3 4 4 4 3 4 4 5 9 10 9 6 5 3 Clouds SC B1 OV B2 B2 B2 OV B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2 B2 PoP 12hr 20 70 50 100 60 QPF 12hr 0 0.12 0.04 0.12 0.06 Snow 12hr 00-00 00-00 00-00 Drizzle C C S S C S Frzg drzl C C S Rain S D D D D L Snow C D L L C C C Winter Weath Y Y Date 11/24/24 Mon 11/25/24 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 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 27 10 33 17 39 19 36 14 29 Temp 22 24 17 12 25 29 23 20 32 34 28 23 29 31 23 18 23 25 Dewpt 14 15 10 7 17 18 15 13 22 23 19 16 21 22 16 13 16 17 PWind dir NW SW S SW SW SW W W NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC B1 B1 B1 SC SC SC SC SC B1 B1 SC B1 B1 B1 B2 PoP 12hr 30 5 5 10 5 10 20 30 20 Snow C S C S S $$ MTZ326-221100- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 207 PM MST Thu Nov 21 2024 Date Thu 11/21/24 Fri 11/22/24 Sat 11/23/24 Sun MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 28 50 29 45 18 Temp 41 36 36 34 30 32 41 48 45 38 35 33 31 33 41 42 37 32 30 26 22 Dewpt 32 31 31 31 28 30 36 37 34 31 30 28 26 28 32 30 30 28 26 23 20 RH 70 82 82 89 92 92 82 65 65 76 82 82 81 82 70 62 75 85 85 88 92 Wind dir SE SE S SE SE SE E SE SE SE SE SE SE SE S SW SW SW W W W Wind spd 6 8 5 5 5 5 4 5 5 6 6 6 8 6 8 10 10 10 8 5 4 Wind gust 23 Clouds B1 B2 OV B2 B1 B2 B2 B1 B2 B1 B1 OV B2 B2 OV OV OV OV B2 B1 B2 PoP 12hr 30 30 40 80 80 QPF 12hr 0 0 0 0.07 0.11 Snow 12hr 00-00 00-00 00-00 Rain S S C S S C C C C D D D D Snow C D D C C C Date 11/24/24 Mon 11/25/24 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 31 9 33 14 38 15 34 12 30 Temp 28 27 16 11 27 29 22 19 32 33 23 20 29 30 21 17 25 27 Dewpt 23 20 13 9 18 18 18 16 23 22 21 17 22 20 17 14 18 17 PWind dir W S S SE SW S SW S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC SC SC B1 B1 SC SC SC SC B1 B1 SC B1 B1 B1 B1 PoP 12hr 30 10 5 20 10 20 20 30 20 Snow C S S S S S S C C S S $$ MTZ330-221100- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 207 PM MST Thu Nov 21 2024 Date Thu 11/21/24 Fri 11/22/24 Sat 11/23/24 Sun 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 22 41 19 34 14 Temp 33 29 28 26 23 26 37 39 35 30 24 21 20 24 31 33 30 26 24 21 17 Dewpt 25 25 26 25 23 26 28 25 24 24 20 18 16 20 27 26 25 24 22 20 17 RH 72 85 92 96100100 70 57 64 78 84 88 84 84 85 75 81 92 92 96100 Wind dir S S S S S S S S SE S SE SE S S S SW SW SW SW SW SW Wind spd 11 11 10 5 4 3 6 11 6 6 5 4 9 11 16 19 18 18 10 5 3 Wind gust 21 27 32 28 28 Clouds B2 B2 B2 OV B2 B2 B1 SC B1 B1 B2 B2 B2 OV OV OV OV OV B2 B2 B2 PoP 12hr 60 20 40 100 100 QPF 12hr 0.02 0 0 0.23 0.11 Snow 12hr T 00-00 00-00 Snow S S C L S C C C C D D D D D D L L C Obvis BS BS BS Date 11/24/24 Mon 11/25/24 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 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 27 4 26 12 29 10 29 7 25 Temp 24 24 10 5 21 23 16 14 26 27 16 12 24 25 13 8 22 23 Dewpt 18 16 10 5 15 16 16 13 21 20 16 11 19 17 11 7 17 15 PWind dir SW S S SW SW SW W SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds OV B2 B1 B2 B2 B1 B2 B2 OV B2 B2 B2 B2 B1 B1 B2 OV B2 PoP 12hr 50 20 40 50 50 40 40 40 40 Snow C C S S C C C C C C C C C C C C C C $$ MTZ328-221100- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 207 PM MST Thu Nov 21 2024 Date Thu 11/21/24 Fri 11/22/24 Sat 11/23/24 Sun MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 28 47 30 42 19 Temp 39 34 34 32 29 30 43 47 42 38 35 34 31 32 39 41 35 31 27 25 23 Dewpt 31 28 29 27 26 27 34 32 31 28 28 27 24 26 30 29 28 25 21 19 17 RH 73 78 82 81 88 88 70 56 65 67 75 75 75 78 70 62 75 78 78 78 77 Wind dir S S S S S SE S S S S S S S S S SW SW SW SW SW SW Wind spd 10 11 11 10 10 10 10 10 10 10 10 10 11 12 13 13 10 10 9 6 6 Clouds B1 B2 B2 B2 B1 SC SC B1 OV OV B2 OV OV OV OV OV B2 B1 B1 B1 B1 PoP 12hr 20 10 40 80 50 QPF 12hr 0 0 0.01 0.05 0.03 Snow 12hr 00-00 00-00 00-00 Rain S C C L L D D Snow S C C L L D D C C C C S Date 11/24/24 Mon 11/25/24 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 32 9 30 13 33 13 32 12 30 Temp 29 28 17 10 24 26 19 15 27 28 20 16 27 27 19 14 25 26 Dewpt 20 20 12 7 15 18 15 12 19 21 15 13 18 18 14 10 15 17 PWind dir SW S S S S S SW S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC B1 SC B1 SC SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 20 5 5 10 5 20 10 10 5 Snow S S $$ MTZ305-221100- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 207 PM MST Thu Nov 21 2024 Date Thu 11/21/24 Fri 11/22/24 Sat 11/23/24 Sun 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 28 17 29 5 Temp 31 24 22 20 16 17 24 26 25 21 22 21 19 19 25 25 20 16 13 12 9 Dewpt 20 18 19 17 13 15 20 22 23 20 21 19 17 18 22 21 18 14 11 9 6 RH 63 77 88 88 88 92 84 85 92 96 96 92 92 96 88 84 92 92 91 87 87 Wind dir NE N NW NW NW NE E E E E E E E E E N NW NW W W W Wind spd 4 5 5 4 3 5 10 11 10 10 9 8 9 9 9 10 10 13 13 12 11 Clouds OV OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 50 100 70 100 70 QPF 12hr 0.04 0.19 0.05 0.19 0.09 Snow 12hr T 2 T Frzg drzl S S L Frzg rain S Rain D Snow S C C S D L L L D D D D L L C C C Wind chill -2 -3 -6 Min chill -2 -6 Winter Storm A A A A A A A A Winter Weath Y Y Y Y Y Y Date 11/24/24 Mon 11/25/24 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 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 -7 12 -1 25 5 23 1 19 Temp 11 9 -1 -6 7 10 6 6 20 20 13 9 18 17 8 6 14 13 Dewpt 7 5 -2 -6 4 7 4 4 15 15 11 7 14 13 6 5 10 9 PWind dir W NW NE SE SW SW W W W Wind char GN LT LT LT LT LT LT LT LT Avg clouds OV B1 B1 B1 B2 B1 B1 B1 B1 SC SC B1 B1 SC B1 B2 B2 B1 PoP 12hr 30 20 20 20 5 5 10 20 20 Snow C S S S S S S S S S $$ MTZ314-221100- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 207 PM MST Thu Nov 21 2024 Date Thu 11/21/24 Fri 11/22/24 Sat 11/23/24 Sun MST 3hrly 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 20 36 20 40 8 Temp 41 34 32 26 21 24 31 35 33 28 26 26 23 27 36 36 27 20 18 15 12 Dewpt 31 28 26 21 19 21 25 28 27 25 24 23 20 24 27 28 24 17 15 12 8 RH 67 78 78 81 92 88 78 75 78 88 92 88 88 88 69 72 88 88 88 88 84 Wind dir S SW SW W W NE E E E E E E SE SE S W NW W W W W Wind spd 5 5 5 3 2 2 5 6 5 5 5 5 5 5 6 10 9 12 12 11 9 Clouds B1 B1 B2 OV B2 OV B1 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 PoP 12hr 10 70 30 80 70 QPF 12hr 0 0.02 0 0.04 0.05 Snow 12hr 00-00 00-00 00-00 Drizzle S S Frzg drzl S S S S S S S Rain L L D D Snow S C C S S C C L L D L L C C C Winter Weath Y Y Y Y Y Y Date 11/24/24 Mon 11/25/24 Tue 11/26/24 Wed 11/27/24 Thu 11/28/24 MST 6hrly 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 18 1 29 12 39 15 34 9 25 Temp 16 15 6 4 24 22 19 18 34 30 23 20 31 27 19 15 22 20 Dewpt 10 10 4 2 15 15 12 12 22 21 17 16 22 20 16 11 14 14 PWind dir W S S SW SW SW W W W Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC B1 B1 SC B1 SC SC FW SC B1 B2 SC B1 B1 B2 B1 PoP 12hr 40 20 10 10 10 10 20 30 30 Snow C S S S S C C C S $$ http://www.weather.gov/greatfalls