Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
229 FOUS55 KTFX 170946 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 246 AM MST Mon Nov 17 2025 MTZ312-172300- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 246 AM MST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 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 36 54 33 48 Temp 41 42 54 59 55 48 44 42 40 37 50 53 49 42 40 39 37 37 44 47 42 Dewpt 35 36 40 38 39 37 37 36 34 32 38 36 36 33 32 31 28 29 29 27 27 RH 79 79 59 45 55 65 76 79 79 82 63 52 61 70 73 73 70 72 55 45 55 Wind dir SW SW SW SW SW SW SW W W SW SW SW S SW SW SW SW SW W W N Wind spd 5 5 6 9 6 6 6 5 4 3 3 5 5 5 6 8 8 6 6 5 5 Clouds B1 B1 B1 SC B1 B2 B1 B1 B2 B1 SC SC SC SC SC B1 B1 B1 B1 SC FW PoP 12hr 10 5 5 20 20 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain S S S S Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 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 27 49 30 52 37 51 32 47 Temp 32 30 42 41 34 34 47 47 43 43 47 46 40 37 43 41 Dewpt 25 23 26 24 24 22 25 24 26 27 26 25 26 24 24 20 PWind dir S SW SW SW SW SW SW SW Wind char LT LT GN BZ BZ BZ BZ BZ Avg clouds FW FW SC FW SC FW FW FW SC SC B1 SC SC SC SC SC PoP 12hr 5 0 0 0 10 10 20 20 Rain S S Snow S S S $$ MTZ303-172300- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 246 AM MST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 57 30 50 28 44 Temp 33 34 49 55 50 43 40 39 34 33 44 49 44 37 36 35 31 30 40 44 38 Dewpt 31 33 40 40 41 37 36 34 32 30 36 36 34 31 29 26 24 24 27 27 27 RH 92 96 71 57 71 79 85 82 92 89 73 61 68 79 75 69 75 78 59 51 64 Wind dir SW SW SW W W W NW NW NW W S SW S SW SW W W W W NW NW Wind spd 3 4 6 11 10 10 10 8 4 3 5 6 6 8 10 10 10 10 10 9 5 Clouds B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 SC SC SC SC SC B1 B1 B1 SC FW SC PoP 12hr 5 10 5 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF PF Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 23 45 27 48 32 47 27 42 Temp 27 25 37 38 31 32 43 41 38 36 43 41 34 31 39 35 Dewpt 22 21 24 26 23 23 25 25 25 26 27 27 24 23 23 23 PWind dir W S SW SW W W W W Wind char LT LT GN BZ BZ BZ BZ BZ Avg clouds FW FW SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC PoP 12hr 0 0 0 5 10 20 20 10 Rain S S Snow S S $$ MTZ319-172300- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 246 AM MST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 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 34 53 32 47 Temp 39 38 45 53 51 47 44 41 36 35 45 52 49 44 40 38 34 34 41 46 43 Dewpt 37 36 39 39 39 38 37 35 33 33 38 38 35 34 32 31 30 30 32 29 27 RH 92 92 79 59 63 71 76 79 89 92 76 59 58 68 73 76 85 85 70 51 53 Wind dir S SW NE W W SW SW SW S S S SW SW SW SW SW W W W W W Wind spd 2 2 2 3 4 3 3 2 2 2 2 2 2 4 5 3 3 3 5 5 4 Clouds B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 SC SC SC SC B1 B1 B1 B1 B1 SC SC PoP 12hr 10 10 10 20 20 QPF 12hr 0 0 0 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain S S S S S S Snow S S Obvis PF Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 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 26 48 27 49 31 49 30 45 Temp 33 30 38 42 34 30 39 43 38 35 40 44 39 35 39 40 Dewpt 25 25 28 26 25 23 26 24 25 26 28 25 27 25 25 22 PWind dir SW S SW SW SW SW SW W Wind char LT LT LT LT GN GN GN GN Avg clouds SC FW FW FW SC SC FW FW SC SC B1 SC B1 B1 B1 SC PoP 12hr 5 0 5 5 20 20 30 30 Rain S S S S C C S Snow S S S S C C S $$ MTZ326-172300- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 246 AM MST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 54 33 53 30 48 Temp 36 36 46 53 50 45 42 40 36 35 47 52 49 41 38 36 33 32 42 47 44 Dewpt 35 35 39 39 38 39 38 38 34 33 37 34 34 33 32 32 30 30 34 31 30 RH 96 96 76 59 63 79 86 92 92 92 68 50 56 73 79 85 89 92 73 53 57 Wind dir SE S NW W SW S S S S S SW W S S S S S S W NW W Wind spd 2 2 2 3 3 4 4 3 2 2 2 2 2 4 4 3 2 2 2 3 3 Clouds B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B2 B1 SC SC PoP 12hr 5 10 5 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S S S Snow S S S Obvis PF Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 25 48 23 48 26 49 26 46 Temp 32 29 39 41 29 26 39 43 32 30 41 44 35 32 39 42 Dewpt 28 27 29 26 24 23 25 24 24 25 26 23 26 26 25 21 PWind dir S S S SW S SW SW SW Wind char LT LT LT LT GN GN GN LT Avg clouds SC SC SC FW FW SC SC FW SC B1 B1 SC B1 B1 B1 B1 PoP 12hr 5 0 5 5 10 20 30 30 Rain S S S C S Snow S S S C C S $$ MTZ330-172300- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 246 AM MST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 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 41 28 43 23 41 Temp 28 29 35 39 39 37 35 33 31 31 39 43 40 33 29 27 25 26 37 41 38 Dewpt 28 29 34 35 35 36 35 33 31 31 35 31 31 29 27 26 25 26 31 29 28 RH 100100 96 85 85 96100100100100 85 62 70 85 92 96100100 79 62 67 Wind dir SW S SW SW S S S S N N SW SW SW S S S S S SW SW SW Wind spd 1 2 5 8 5 3 2 1 0 0 2 4 2 2 2 2 2 2 3 5 4 Clouds OV OV OV OV B2 B2 B2 B2 OV OV B2 B2 B1 B1 SC SC B1 B2 B1 B1 B1 PoP 12hr 50 40 20 20 40 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C C C C S S C C S Snow C C C C S S S S S C C S Obvis PF Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 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 40 15 40 19 36 20 36 Temp 27 22 34 36 22 17 32 34 26 22 31 33 26 23 31 33 Dewpt 26 22 26 24 20 17 23 23 24 22 25 24 23 21 24 23 PWind dir S S S S SW SW SW SW Wind char LT LT LT LT LT GN GN GN Avg clouds B1 B1 B1 SC FW SC B1 FW SC B1 B2 B1 B1 B1 B2 B1 PoP 12hr 20 10 10 10 20 30 40 50 Rain S Snow S S C C S C C C $$ MTZ328-172300- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 246 AM MST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 52 32 51 28 47 Temp 36 35 46 52 49 40 38 35 34 33 45 51 46 38 35 33 31 30 42 47 41 Dewpt 34 34 38 36 37 36 36 33 32 32 35 34 33 31 30 28 27 28 31 30 29 RH 92 96 73 54 63 85 92 92 92 96 68 52 60 76 82 82 85 92 65 51 62 Wind dir S SW SW SW S S S S S S SW SW S S S S S S W W SW Wind spd 5 5 4 5 5 5 5 5 5 5 4 4 4 5 5 5 5 5 4 4 4 Clouds B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 SC SC B1 B1 SC SC SC B1 SC SC SC PoP 12hr 10 5 5 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 26 46 23 47 24 46 24 44 Temp 31 28 39 39 29 26 38 39 29 27 39 40 30 28 38 39 Dewpt 26 25 28 26 23 21 23 22 22 21 25 23 23 24 24 21 PWind dir S S S SW S S S SW Wind char LT LT LT LT GN GN GN GN Avg clouds SC SC SC FW FW FW SC FW SC SC B1 SC SC SC B1 B1 PoP 12hr 0 0 5 0 10 10 20 20 Snow S S $$ MTZ305-172300- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 246 AM MST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 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 50 30 47 28 45 Temp 34 33 42 49 46 39 38 36 33 33 42 46 42 36 34 32 30 30 41 44 39 Dewpt 33 32 36 39 40 37 36 34 32 32 36 36 36 33 32 30 28 28 32 31 31 RH 96 96 79 68 79 92 92 92 96 96 79 68 79 89 92 92 92 92 70 60 73 Wind dir E N NE E E S W W W W W W NE E SE SW W W W W W Wind spd 3 2 2 2 3 4 5 5 5 4 4 3 3 3 3 4 5 6 10 10 6 Clouds OV B2 B1 B1 B2 B2 B2 B2 B2 OV B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 SC PoP 12hr 5 5 5 20 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S Snow S S Obvis PF PF PF Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 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 22 45 24 51 29 50 26 46 Temp 28 24 37 38 30 29 43 45 37 35 44 44 35 31 39 38 Dewpt 26 23 27 28 25 23 28 28 27 27 30 28 28 25 25 24 PWind dir W S S SW SW W W W Wind char LT LT LT GN BZ BZ GN GN Avg clouds SC SC SC SC SC SC SC FW SC B1 B1 SC B1 B1 B1 SC PoP 12hr 5 0 0 0 5 10 10 10 $$ MTZ314-172300- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 246 AM MST Mon Nov 17 2025 Date Mon 11/17/25 Tue 11/18/25 Wed 11/19/25 MST 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 57 34 53 30 46 Temp 41 41 53 56 52 45 43 41 38 38 50 52 47 40 38 37 35 35 43 45 40 Dewpt 35 35 39 39 42 39 38 36 35 34 36 37 37 35 34 32 31 30 30 29 29 RH 79 79 59 53 69 79 82 82 89 85 58 56 68 82 85 82 85 82 60 53 64 Wind dir S S W NW NW SW SW SW SW W W W E S S SW SW W NW NW NW Wind spd 4 3 2 3 2 3 4 4 3 2 2 3 2 4 4 4 4 5 6 9 5 Clouds SC SC SC SC B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC B1 PoP 12hr 5 10 5 20 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S S S S S S S Snow S S Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 MST 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 25 48 26 52 32 51 27 44 Temp 30 28 43 39 32 31 47 43 39 37 47 45 37 33 41 36 Dewpt 25 24 27 27 24 22 25 23 24 24 26 24 24 23 22 19 PWind dir SW S S SW SW W W W Wind char LT LT LT GN GN GN GN GN Avg clouds SC SC FW FW SC SC FW FW SC SC SC SC B1 SC SC SC PoP 12hr 5 0 0 5 10 10 20 20 Rain S S Snow S S S $$ http://www.weather.gov/greatfalls