Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
559 FOUS55 KTFX 151207 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 506 AM MST Sat Nov 15 2025 MTZ312-152300- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 506 AM MST Sat Nov 15 2025 Date Sat 11/15/25 Sun 11/16/25 Mon 11/17/25 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 59 34 54 38 57 Temp 41 51 59 53 46 42 40 36 38 48 54 50 46 45 43 42 41 51 56 51 Dewpt 26 31 37 38 37 35 34 32 34 37 36 37 36 36 36 35 36 39 41 38 RH 55 46 44 57 71 76 79 85 85 65 50 61 68 70 76 76 82 63 57 61 Wind dir SW SW W SW SW SW SW SE SW SW E E E S SW SW S SW SW SW Wind spd 27 28 23 12 10 5 3 3 2 2 4 4 3 4 4 4 5 6 9 8 Wind gust 39 34 Clouds B1 FW FW FW FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 10 0 0 10 20 QPF 12hr 0 0 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain S S S S C Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 11/21/25 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 38 52 31 45 27 48 28 48 Temp 45 42 47 45 37 34 40 38 32 31 40 40 34 32 41 41 Dewpt 37 35 34 32 29 27 28 26 26 24 26 26 26 23 26 24 PWind dir SW SW SW W SE SW SW SW Wind char GN LT LT LT LT LT LT GN Avg clouds B2 B2 B2 SC B1 B1 B1 SC SC SC B1 SC B1 B1 SC SC PoP 12hr 40 30 30 20 5 5 5 5 Rain C C C S C C S Snow C S $$ MTZ303-152300- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 506 AM MST Sat Nov 15 2025 Date Sat 11/15/25 Sun 11/16/25 Mon 11/17/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 54 28 49 32 53 Temp 36 49 52 46 39 36 34 31 31 42 48 44 39 38 37 35 35 47 52 47 Dewpt 29 35 36 35 35 33 31 29 30 35 37 37 34 33 33 33 33 39 39 39 RH 75 58 54 65 85 89 89 92 96 76 65 76 82 82 85 92 92 74 61 74 Wind dir SW W W W W SW SW S SE SE SE SE SE SE S S SW SW W W Wind spd 14 26 23 11 8 5 3 3 3 8 9 6 5 4 4 4 5 10 12 10 Wind gust 26 40 35 Clouds B1 FW FW FW SC FW SC SC B2 SC B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 PoP 12hr 20 0 0 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S S Snow Obvis PF PF PF PF Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 11/21/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 31 46 25 42 21 43 24 45 Temp 39 34 40 39 32 28 36 35 27 24 35 35 30 27 38 38 Dewpt 34 29 31 29 26 24 26 24 22 21 24 25 22 22 25 26 PWind dir W W W NW SW S W W Wind char GN GN LT GN LT LT GN GN Avg clouds B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 20 20 20 10 5 5 5 5 Rain S S S S S Snow S S S S $$ MTZ319-152300- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 506 AM MST Sat Nov 15 2025 Date Sat 11/15/25 Sun 11/16/25 Mon 11/17/25 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 58 34 54 37 53 Temp 44 51 56 53 48 43 40 36 36 45 53 50 46 44 43 40 39 47 52 49 Dewpt 33 36 38 38 36 35 34 33 33 38 38 37 36 36 36 36 36 40 40 37 RH 65 56 51 57 63 73 79 89 89 76 57 61 68 73 76 85 89 76 63 63 Wind dir S W W W S W SW SW S SE SE SE S S S S S SW W W Wind spd 8 8 10 5 5 4 2 2 2 2 3 4 4 5 4 2 3 3 5 5 Clouds B2 B1 SC SC FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 B2 PoP 12hr 10 0 10 20 40 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S S S C C C C C Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 11/21/25 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 35 50 30 45 26 45 26 45 Temp 42 37 43 44 38 32 38 40 32 27 35 40 34 28 37 40 Dewpt 34 33 34 32 29 27 28 26 24 23 26 26 25 23 26 25 PWind dir SW SW W W SW S SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 B2 SC SC SC B1 B1 B1 B1 B1 SC PoP 12hr 40 40 40 30 5 10 10 10 Rain C C C C C C C Snow C C C $$ MTZ326-152300- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 506 AM MST Sat Nov 15 2025 Date Sat 11/15/25 Sun 11/16/25 Mon 11/17/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 60 31 55 35 53 Temp 42 52 58 55 45 40 37 34 35 47 54 51 46 42 40 38 38 48 52 49 Dewpt 30 32 35 36 35 35 33 32 33 37 38 38 39 38 37 36 37 39 37 35 RH 62 46 42 49 68 82 85 92 92 68 54 61 76 86 89 92 96 71 56 58 Wind dir E W W N SE S S S SE SE SW SE SE S S S S SW W SW Wind spd 6 6 10 5 5 4 4 4 3 1 2 3 5 5 4 3 3 3 4 4 Clouds B2 SC B1 SC FW SC SC B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 5 0 10 10 40 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain C C C C C Obvis PF PF Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 11/21/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 31 50 28 43 22 45 21 44 Temp 40 37 43 45 35 30 37 38 29 26 35 38 29 25 36 38 Dewpt 35 35 34 31 32 30 30 26 26 24 26 24 25 23 26 24 PWind dir SW SW S W S S SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B2 B1 B1 B2 B2 B1 SC SC B1 SC B1 B1 B1 SC PoP 12hr 40 40 50 30 10 10 10 10 Rain C C C C C C C S Snow C C C C $$ MTZ330-152300- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 506 AM MST Sat Nov 15 2025 Date Sat 11/15/25 Sun 11/16/25 Mon 11/17/25 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 48 26 47 30 40 Temp 32 41 46 43 35 31 29 28 30 42 46 44 39 36 34 32 33 37 40 38 Dewpt 32 35 33 33 31 29 29 28 29 36 39 38 37 35 34 32 33 36 33 33 RH 100 79 60 67 85 92100100 96 79 76 79 92 96100100100 96 76 82 Wind dir SW SW SW SW E NE SE N E S S S S S S S S SW SW SW Wind spd 5 9 9 4 2 1 1 0 1 3 6 4 4 4 3 3 4 6 10 6 Clouds B2 B1 SC SC SC SC B2 OV OV B2 OV B2 OV B2 B2 OV OV OV OV B2 PoP 12hr 0 5 60 60 80 QPF 12hr 0 0 0.03 0.04 0.09 Snow 12hr 00-00 00-00 00-00 Rain L L C C L L L L Snow C C L L D D L Obvis PF F PF PF PF Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 11/21/25 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 29 41 24 39 20 38 18 37 Temp 34 30 37 37 29 25 34 34 26 22 32 33 24 19 32 32 Dewpt 33 30 33 29 27 25 29 26 24 22 25 24 23 19 24 23 PWind dir SW S S SW S S S S Wind char LT LT LT LT LT LT LT LT Avg clouds OV B2 OV B2 B2 B2 OV B1 B1 B1 B2 B1 B1 B1 B2 SC PoP 12hr 60 60 50 60 20 20 20 20 Rain L L L C C C S S S Snow L L L C C L C S S S S S S S S $$ MTZ328-152300- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 506 AM MST Sat Nov 15 2025 Date Sat 11/15/25 Sun 11/16/25 Mon 11/17/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 55 32 55 35 51 Temp 37 49 54 49 41 37 34 34 35 47 54 49 41 39 38 37 36 46 51 46 Dewpt 26 30 33 35 33 32 30 30 31 37 40 40 38 36 36 34 35 37 37 36 RH 64 48 45 58 73 82 85 85 85 68 59 71 89 89 92 89 96 71 59 68 Wind dir SW SW SW S S S S S S SE S S S S S S S SW SW S Wind spd 10 9 8 4 5 5 5 5 5 4 5 5 5 6 6 6 6 5 5 5 Clouds SC SC FW FW SC SC B1 B2 B2 B2 B1 B2 B1 B1 B2 B2 B2 B1 B1 B2 PoP 12hr 0 0 10 20 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S C C C C C Snow C C Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 11/21/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 31 49 28 44 24 43 23 42 Temp 37 34 42 42 33 30 38 37 28 27 37 37 29 26 36 35 Dewpt 34 32 34 31 29 28 30 27 24 24 26 25 24 22 24 22 PWind dir S S S SW S S S SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B2 SC B1 B1 B2 SC SC SC B1 B1 B1 B1 SC SC PoP 12hr 30 20 30 20 5 10 10 5 Rain C S S S C S Snow S S C C S $$ MTZ305-152300- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 506 AM MST Sat Nov 15 2025 Date Sat 11/15/25 Sun 11/16/25 Mon 11/17/25 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 53 27 52 32 51 Temp 34 44 51 47 39 34 32 29 30 44 51 46 41 39 38 35 35 46 50 46 Dewpt 32 36 38 39 36 34 32 29 30 36 38 38 36 35 36 33 33 38 39 39 RH 92 73 61 74 89100100100100 73 61 73 82 85 92 92 92 73 66 76 Wind dir E SW W E S W E E E E E E E E E E E E E E Wind spd 5 9 11 8 5 3 3 4 5 8 10 11 10 9 5 5 4 5 5 6 Clouds OV B2 SC SC SC SC B1 B1 B2 B1 B2 B2 B2 OV OV OV OV B2 B2 B2 PoP 12hr 90 0 0 10 20 QPF 12hr 0.03 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S C Snow D Obvis PF F F F Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 11/21/25 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 31 49 25 44 20 44 22 45 Temp 37 34 42 42 32 29 37 37 27 24 35 37 29 28 37 38 Dewpt 35 32 34 33 29 26 29 28 24 21 26 27 25 23 27 27 PWind dir SW W W W SW S S SW Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B2 B2 B1 B1 B1 B2 B1 SC SC B1 SC B1 B1 B1 SC PoP 12hr 30 30 30 20 5 5 5 5 Rain C C C C C Snow C C C S S $$ MTZ314-152300- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 506 AM MST Sat Nov 15 2025 Date Sat 11/15/25 Sun 11/16/25 Mon 11/17/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 58 32 57 36 55 Temp 42 52 57 52 43 40 38 35 37 53 57 51 44 43 43 41 41 51 54 49 Dewpt 30 34 36 36 36 36 34 32 33 36 36 38 36 36 36 35 36 39 38 39 RH 62 50 45 54 76 85 85 89 85 52 45 61 73 76 76 79 82 63 54 68 Wind dir SW W W W SW S SE SE SE SE SE SE SE SE S S SW W W W Wind spd 10 14 17 10 5 3 4 5 5 5 6 5 6 5 4 4 3 3 5 4 Wind gust 20 25 27 Clouds OV B2 FW SC SC FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 PoP 12hr 30 0 5 10 30 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain S S C C C Date Tue 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 11/21/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 33 51 28 43 24 47 24 45 Temp 41 39 45 42 36 32 39 37 29 28 40 38 31 28 40 38 Dewpt 36 35 34 32 33 29 29 27 26 25 27 26 25 23 26 26 PWind dir W W SW W SW S SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B2 B1 B1 B1 B2 B1 SC SC SC SC B1 B1 B1 SC PoP 12hr 40 40 50 40 10 5 10 5 Rain C C C C C C C S Snow C C C $$ http://www.weather.gov/greatfalls