Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
023 FOUS55 KTFX 171605 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 1004 AM MDT Thu Apr 17 2025 MTZ312-172200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 1004 AM MDT Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 43 22 51 32 64 Temp 38 41 41 32 27 25 23 31 42 47 51 40 35 33 34 45 57 62 61 Dewpt 15 14 16 16 16 19 17 17 15 13 15 17 18 17 18 22 25 27 29 RH 38 33 36 51 63 78 77 56 33 25 23 39 49 51 51 40 29 26 29 Wind dir N N N N NW W W SW W W W S S S S SW SW W W Wind spd 14 19 19 10 6 5 5 6 8 8 9 10 10 12 13 18 19 18 17 Clouds B2 B2 SC SC SC FW SC SC FW FW FW FW FW CL FW FW SC B1 B1 PoP 12hr 40 10 0 0 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snowshwrs C C Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 38 58 36 54 32 54 32 57 Temp 46 39 54 55 43 37 51 51 39 33 48 53 39 33 51 57 Dewpt 32 30 31 29 33 27 25 25 26 24 24 23 27 24 27 27 PWind dir W SW W W W W E W Wind char GN GN GN GN GN GN LT LT Avg clouds B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC B1 SC SC SC PoP 12hr 10 40 30 50 30 20 5 20 Rain shwrs S C C S S C C S S Snowshwrs S $$ MTZ303-172200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 1004 AM MDT Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 40 19 51 30 59 Temp 37 38 38 30 25 21 19 28 42 49 51 41 35 32 33 43 54 57 54 Dewpt 14 14 15 14 15 14 13 12 13 14 16 21 21 20 22 25 26 29 31 RH 38 37 38 51 65 74 77 50 30 24 24 44 56 61 63 49 34 34 41 Wind dir N N N N NW NW W W W W W SW SW SW SW W W W W Wind spd 21 21 19 9 6 6 6 5 6 10 12 10 11 11 11 14 20 19 18 Wind gust 32 32 25 31 29 Clouds B2 B1 B1 SC FW FW FW FW FW FW FW FW FW FW SC B1 B1 B1 B1 PoP 12hr 20 5 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snowshwrs S Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 34 53 31 50 28 50 29 54 Temp 41 35 49 50 38 32 47 47 35 29 45 50 36 29 48 53 Dewpt 32 30 31 29 29 26 24 25 26 24 23 23 25 24 25 23 PWind dir W W W W NW NW SW SE Wind char GN GN GN GN GN GN LT GN Avg clouds B1 B1 B2 B1 B1 SC B1 B1 B1 SC SC B1 B1 B1 SC SC PoP 12hr 20 50 30 50 30 20 5 10 Rain shwrs S C C C S C C S S Snowshwrs S C S $$ MTZ319-172200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 1004 AM MDT Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 42 25 52 30 62 Temp 38 41 40 34 30 28 25 31 41 48 51 42 37 33 31 38 52 59 59 Dewpt 17 15 15 18 21 19 20 19 15 15 15 17 19 18 19 22 25 28 27 RH 42 34 36 51 69 68 81 61 34 26 23 36 48 53 61 52 35 30 29 Wind dir N N N NW W W W NW NW NW NW S S S S S W W W Wind spd 18 19 18 10 3 2 2 2 3 3 5 5 6 5 5 5 8 11 12 Wind gust 33 34 31 Clouds B1 B2 B1 B1 FW FW FW SC FW FW FW FW FW FW FW FW SC SC B1 PoP 12hr 40 10 0 0 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Snowshwrs C Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 37 58 34 54 31 55 33 59 Temp 45 38 50 57 43 34 47 52 39 31 46 55 41 33 49 58 Dewpt 32 31 31 30 30 28 26 24 25 24 23 21 25 26 29 27 PWind dir W W W W W W NW NE Wind char LT LT LT GN GN LT LT LT Avg clouds B1 SC B1 B1 B1 B1 B1 B2 SC SC SC SC SC SC B1 B1 PoP 12hr 10 40 40 60 20 10 10 20 Rain shwrs S C C S C L S S Snowshwrs S C S Tstms S $$ MTZ326-172200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 1004 AM MDT Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 38 17 43 20 57 Temp 34 36 36 31 26 22 19 24 35 40 43 34 27 24 21 31 47 55 55 Dewpt 23 24 21 22 20 18 16 17 17 17 16 18 16 15 13 17 21 25 25 RH 64 61 54 69 78 84 88 74 47 39 33 51 63 68 71 56 35 31 31 Wind dir N N NE NE NW W S NW NW W W S SE S S S SW W W Wind spd 11 12 10 5 4 2 2 2 3 4 5 4 4 4 4 4 5 6 8 Wind gust 23 26 Clouds OV OV B2 B1 B1 SC SC SC SC SC FW FW FW FW FW FW FW SC B1 PoP 12hr 70 40 5 0 0 QPF 12hr 0.03 0.01 0 0 0 Snow 12hr T T 00-00 Snowshwrs L L C C Winter Weath Y Y Y Y Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 32 54 31 50 26 52 29 56 Temp 41 33 48 53 38 32 45 49 33 27 44 51 36 30 48 55 Dewpt 31 29 32 33 32 29 29 28 25 22 23 22 26 24 28 29 PWind dir SW SW W W W W E NE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B2 B2 B1 B2 B1 SC SC SC B1 B1 B1 B1 PoP 12hr 20 50 50 60 20 20 10 30 Rain shwrs S C C C C C L S S C Snowshwrs C S S Tstms S S $$ MTZ330-172200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 1004 AM MDT Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 35 13 41 9 50 Temp 32 34 30 23 20 17 14 19 34 40 38 27 19 13 10 21 41 48 47 Dewpt 18 18 17 13 14 12 10 10 11 12 11 12 11 7 5 9 15 18 21 RH 56 51 58 65 77 80 84 67 38 31 32 53 70 76 80 59 34 30 35 Wind dir N N N NE N N NE NE NE N N N NE E SE S SW SW SW Wind spd 11 13 12 10 9 6 5 5 5 6 5 3 2 2 2 2 4 6 6 Wind gust 29 33 33 29 24 18 16 17 17 16 17 Clouds OV OV OV B2 B2 B1 SC SC SC SC FW FW FW FW FW FW FW FW SC PoP 12hr 80 40 5 0 0 QPF 12hr 0.02 0.01 0 0 0 Snow 12hr T T 00-00 Snowshwrs C D C Winter Storm W W W W Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 23 49 24 47 19 50 22 54 Temp 30 23 44 45 31 24 44 44 28 19 44 48 30 22 48 50 Dewpt 21 20 28 28 25 21 24 21 19 14 16 18 21 17 25 24 PWind dir SW SW SW SW W SW S S Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B2 B2 B1 B1 B2 B1 SC SC SC SC SC B1 B1 PoP 12hr 20 60 60 60 30 20 20 30 Rain shwrs L L C Snowshwrs S C L C C L C S S S Tstms S $$ MTZ328-172200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 1004 AM MDT Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 37 19 44 22 57 Temp 33 35 36 29 26 23 21 25 35 41 44 33 28 25 23 32 47 55 55 Dewpt 19 18 15 17 17 16 15 14 13 12 13 13 13 13 12 15 19 21 24 RH 56 49 42 60 68 74 77 62 40 30 28 43 53 60 62 49 32 26 30 Wind dir N N NE N N NE SE N N N NE S S S S SW SW SW SW Wind spd 29 32 26 19 16 13 10 10 11 10 8 5 5 5 5 5 6 8 9 Wind gust 43 44 40 31 Clouds B2 B2 B1 SC SC FW FW FW SC FW FW FW FW FW FW FW FW SC B1 PoP 12hr 30 20 0 0 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr T 00-00 00-00 Snowshwrs C C S Winter Weath Y Y Y Y Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 32 55 31 52 27 54 31 56 Temp 40 33 51 53 39 32 48 49 34 28 45 53 39 32 51 54 Dewpt 30 26 29 27 29 25 23 19 21 19 18 18 24 23 28 25 PWind dir SW SW W SW W SW NE W Wind char LT LT GN GN GN LT LT LT Avg clouds B1 B1 SC B1 B1 B1 SC B1 SC SC SC SC B1 B1 B1 SC PoP 12hr 10 30 30 30 10 5 5 10 Rain shwrs C C S C Snowshwrs S S $$ MTZ305-172200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 1004 AM MDT Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 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 46 19 53 28 67 Temp 43 44 44 34 28 23 20 29 42 49 52 40 35 31 29 40 57 65 63 Dewpt 21 17 15 17 18 17 15 18 19 17 16 17 18 17 17 21 26 29 29 RH 41 33 30 49 66 77 81 63 39 28 24 39 49 56 60 46 30 26 27 Wind dir NW N N N N NW W W W W W S S S S SW SW W W Wind spd 16 19 17 9 5 4 4 5 6 6 6 6 10 9 8 10 14 16 14 Clouds B1 B2 SC SC FW FW SC SC FW FW FW FW FW FW FW FW FW SC B1 PoP 12hr 20 5 0 0 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 36 58 33 55 31 55 29 59 Temp 45 37 52 57 41 34 50 52 39 32 47 54 37 30 53 57 Dewpt 35 33 35 33 35 30 34 29 32 29 30 26 27 24 29 26 PWind dir W NW SE W NW NW E E Wind char GN GN LT GN GN GN LT GN Avg clouds B1 B2 B1 B1 B2 B1 B1 B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 20 50 50 60 30 30 5 10 Rain shwrs S S C C C C L C S S C $$ MTZ314-172200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 1004 AM MDT Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 38 19 44 25 59 Temp 35 36 36 29 25 22 20 28 36 41 43 33 27 26 28 41 52 57 57 Dewpt 19 17 18 21 20 17 16 17 16 16 16 17 17 15 16 22 24 27 29 RH 52 45 47 72 81 81 84 63 43 36 33 51 65 62 60 46 33 31 34 Wind dir N N N NW W W W NW NW NW NW S S S S S SW W W Wind spd 13 12 12 6 5 5 5 6 9 8 6 6 9 10 9 9 8 10 11 Clouds OV B2 B1 SC SC SC B1 B1 SC SC FW FW FW FW FW FW FW SC SC PoP 12hr 60 20 5 0 0 QPF 12hr 0.05 0.01 0 0 0 Snow 12hr 1 T 00-00 Snowshwrs S C S Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 34 54 32 50 28 49 29 51 Temp 42 35 51 50 39 33 46 46 36 29 45 47 35 30 48 50 Dewpt 31 29 33 34 33 29 30 29 29 22 26 24 26 24 28 28 PWind dir W W SW W W NW SE SE Wind char GN LT LT GN GN GN LT LT Avg clouds B1 B1 B1 B1 B2 B1 B1 B2 B1 SC SC B1 SC SC B1 B1 PoP 12hr 10 50 60 70 40 30 10 20 Rain shwrs S C L C C L C S C S Snowshwrs C C S S $$ http://www.weather.gov/greatfalls