Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
492 FOUS55 KTFX 171544 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 944 AM MDT Fri Oct 17 2025 MTZ312-172200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 944 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 61 30 56 46 59 Temp 57 61 55 39 31 32 33 35 50 55 54 49 50 49 51 53 56 56 51 Dewpt 30 34 44 29 31 32 28 27 27 23 23 24 22 24 28 32 37 32 28 RH 35 36 66 67100100 82 72 41 29 30 37 33 37 41 44 49 40 41 Wind dir SW W W NW W SW SW SW SW SW SW SW SW SW SW SW SW W W Wind spd 23 26 23 13 11 11 11 12 17 18 12 17 23 23 21 21 24 24 20 Wind gust 37 34 25 33 35 36 33 Clouds SC B1 B1 B2 B1 SC FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B1 SC PoP 12hr 10 60 0 20 30 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S C C C C S Rain shwrs C C S Snowshwrs S S Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 53 33 58 34 58 40 65 Temp 43 40 49 49 37 36 52 54 43 35 53 54 45 42 58 59 Dewpt 29 28 28 24 25 24 25 26 27 25 29 26 25 23 27 30 PWind dir SW W SW SW SW SW SW SW Wind char BZ BZ GN GN GN GN GN BZ Avg clouds SC B1 B1 SC FW FW B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 20 0 0 5 5 5 5 Rain S C S $$ MTZ303-172200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 944 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 55 27 54 41 54 Temp 54 53 32 31 34 31 29 31 48 53 50 44 44 43 44 46 51 52 47 Dewpt 34 33 29 28 28 25 22 23 24 23 25 25 24 26 30 34 36 31 30 RH 46 46 88 88 78 78 75 72 39 31 37 47 45 51 57 63 56 44 51 Wind dir W W NW W W W W W W W SW SW SW SW SW SW W W W Wind spd 27 28 19 17 13 12 12 16 20 20 14 18 23 23 18 21 29 32 27 Wind gust 40 42 31 24 33 29 35 46 47 42 Clouds SC B1 OV SC SC FW FW FW SC SC B1 B2 B2 B2 B2 B1 SC SC SC PoP 12hr 60 50 0 20 40 QPF 12hr 0.01 0.01 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain S S C C S S S Rain shwrs S C C S Snowshwrs C S High Wind A A A A A Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 33 50 30 54 31 54 35 60 Temp 39 35 45 46 35 32 48 49 38 32 49 49 40 38 54 54 Dewpt 29 28 28 27 26 23 27 26 28 25 28 28 26 24 29 31 PWind dir W W W SW W W SW SW Wind char WY BZ GN GN GN GN GN BZ Avg clouds SC B1 B1 SC FW SC B1 B1 SC SC SC SC SC B1 B1 B1 PoP 12hr 20 10 0 5 5 5 5 5 Rain S S $$ MTZ319-172200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 944 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 60 31 56 38 57 Temp 52 58 54 47 38 31 34 33 44 53 55 49 45 40 41 42 50 52 49 Dewpt 28 34 35 29 38 31 28 26 24 23 26 23 22 21 25 28 36 36 30 RH 39 40 48 49100100 78 75 45 31 32 36 40 46 52 57 58 54 48 Wind dir W W W W W W W S W SW S S SW S S S W W W Wind spd 10 19 18 17 13 10 6 6 8 9 5 10 12 11 9 10 13 17 18 Wind gust 34 39 37 31 21 20 31 34 Clouds B1 B1 B1 B1 B1 SC FW FW SC B1 B1 B1 SC SC B1 B2 B2 B2 B1 PoP 12hr 20 40 0 10 80 QPF 12hr 0 0.01 0 0 0.07 Snow 12hr 00-00 00-00 00-00 Rain C C D D C Rain shwrs C C C Snowshwrs S Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 52 31 57 32 58 34 62 Temp 44 38 45 49 39 33 47 53 43 35 47 54 43 36 50 60 Dewpt 30 28 30 26 25 23 28 29 27 26 29 28 25 24 28 33 PWind dir W W SW S SW SW SW S Wind char BZ GN GN LT GN LT GN LT Avg clouds B1 B1 B1 SC FW SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 40 20 0 5 10 5 5 10 Rain C C S $$ MTZ326-172200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 944 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 29 53 36 59 Temp 46 57 55 47 37 32 33 32 45 52 52 44 41 38 39 44 54 55 49 Dewpt 25 35 38 31 37 32 29 26 29 26 28 27 27 25 27 31 36 38 34 RH 43 43 53 53100100 85 78 53 36 39 51 57 59 62 60 50 53 56 Wind dir N SW W NW SW W SW S W SW SE S S S S S SW W W Wind spd 6 17 16 16 12 10 6 6 6 8 5 12 14 14 10 10 10 14 13 Wind gust 28 31 28 26 20 26 25 Clouds SC B1 OV B2 B2 B2 SC SC FW SC SC SC SC B1 B1 B2 B2 B2 B1 PoP 12hr 5 50 0 0 70 QPF 12hr 0 0.02 0 0 0.18 Snow 12hr 00-00 00-00 00-00 Rain S S L L C Rain shwrs C C C C Snowshwrs C Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 31 51 27 55 28 57 29 61 Temp 39 35 43 50 34 29 47 52 38 29 48 52 38 31 52 56 Dewpt 32 28 28 27 25 23 30 29 30 24 31 29 28 24 31 32 PWind dir W W S S SW SW S SW Wind char GN GN GN LT LT LT LT LT Avg clouds B1 B1 B1 SC FW FW SC SC B1 SC SC SC SC SC SC SC PoP 12hr 50 10 0 5 10 5 5 5 Rain C C $$ MTZ330-172200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 944 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 45 21 45 25 49 Temp 34 45 32 32 33 29 25 25 39 45 43 34 30 26 27 34 46 47 44 Dewpt 28 38 29 29 30 26 22 20 23 20 24 24 23 20 22 25 30 31 33 RH 78 76 88 88 89 88 88 81 52 36 47 66 75 78 81 69 53 53 65 Wind dir SW SW SW SW W W W SW SW SW SW SW S S S S SW SW SW Wind spd 12 17 16 14 11 6 4 2 6 13 12 11 13 10 9 13 19 23 17 Wind gust 28 28 31 25 19 32 35 28 Clouds SC SC B1 B2 B1 SC SC SC FW FW FW FW SC SC SC B2 B2 B2 B2 PoP 12hr 10 40 0 0 60 QPF 12hr 0 0.01 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain L L Rain shwrs S C C L Snow Snowshwrs S C C S Tstms S Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 21 43 18 48 18 48 19 51 Temp 32 23 38 41 26 20 41 44 30 19 42 44 27 21 44 47 Dewpt 28 22 24 21 22 19 24 25 25 19 28 27 22 19 28 27 PWind dir W W SW S SW SW SW SW Wind char GN GN LT LT LT LT LT LT Avg clouds B2 B2 SC FW FW FW SC SC SC SC SC FW FW SC SC SC PoP 12hr 70 20 0 5 10 10 5 5 Rain L L Rain shwrs L Snow L S Tstms S $$ MTZ328-172200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 944 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 26 54 35 57 Temp 50 58 54 42 37 33 29 28 45 53 52 43 38 36 35 39 53 54 47 Dewpt 27 34 43 31 32 28 24 23 25 20 24 27 26 25 25 28 36 38 35 RH 41 40 66 65 82 82 81 81 45 27 33 53 62 64 66 64 52 54 63 Wind dir SW W W W W SW S SW SW SW S S S S S S SW SW W Wind spd 12 18 17 13 13 11 10 9 8 10 9 12 17 17 14 17 14 17 13 Wind gust 28 25 26 28 25 Clouds SC SC SC SC SC SC FW FW FW SC SC SC SC SC SC B1 B2 B1 B1 PoP 12hr 0 10 0 0 50 QPF 12hr 0 0 0 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain S S C C C Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 28 50 25 55 26 55 29 59 Temp 34 30 42 46 30 27 46 50 36 27 47 50 35 30 50 53 Dewpt 29 25 26 25 22 21 27 30 26 22 29 29 24 22 29 33 PWind dir W SW SW S S SW S S Wind char GN GN LT LT LT LT LT GN Avg clouds B1 SC SC FW FW FW SC SC B1 SC SC SC SC SC SC SC PoP 12hr 30 5 0 0 5 5 5 5 Rain C S Snow S $$ MTZ305-172200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 944 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 58 28 56 37 62 Temp 58 58 51 40 38 33 31 33 48 55 52 43 41 39 44 48 57 60 55 Dewpt 34 34 40 30 34 30 26 25 29 24 24 24 23 24 29 33 38 35 32 RH 40 40 66 67 85 89 81 72 47 30 33 47 48 54 55 56 49 39 41 Wind dir W W NW NW W SW SW SW SW W SW SW SW SW SW SW SW W W Wind spd 17 17 16 11 11 11 11 12 14 14 10 10 13 16 17 18 21 24 21 Wind gust 28 26 26 28 29 32 39 33 Clouds B1 B2 B2 B2 SC SC FW FW FW FW SC SC B1 B1 B2 B2 B2 B1 SC PoP 12hr 30 50 0 10 30 QPF 12hr 0 0.01 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain C C C C Rain shwrs S C C S Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 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 33 53 28 59 31 60 34 64 Temp 42 38 47 49 36 31 52 54 42 33 52 54 42 38 57 59 Dewpt 32 30 32 30 28 25 30 29 30 25 33 30 30 26 31 31 PWind dir W W W SW SW W SW SW Wind char BZ BZ GN GN GN GN GN GN Avg clouds SC B1 B1 SC SC FW SC SC B1 SC SC SC SC SC SC SC PoP 12hr 10 10 0 0 5 5 0 0 $$ MTZ314-172200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 944 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 58 28 51 35 59 Temp 55 57 52 40 31 32 30 33 45 50 47 39 40 39 44 49 56 54 49 Dewpt 31 33 44 32 31 31 26 24 23 20 22 21 21 20 26 30 36 39 33 RH 40 40 74 73100 96 85 69 41 30 37 48 46 46 49 48 47 57 54 Wind dir W W W W NW W W W W W SW S SW SW SW SW SW W W Wind spd 17 21 21 19 12 11 9 9 12 11 5 10 11 13 13 13 14 18 18 Wind gust 32 33 32 25 23 28 31 Clouds FW B1 B2 OV B2 SC SC FW FW SC SC SC SC B1 B2 B2 B2 B2 B1 PoP 12hr 10 60 5 20 50 QPF 12hr 0 0.09 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain S S S S C C C Rain shwrs C L S Snowshwrs C S Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 33 48 28 57 31 55 35 64 Temp 39 36 44 45 34 31 52 51 41 33 50 50 40 39 57 57 Dewpt 28 28 30 26 26 21 27 30 28 23 29 29 25 22 29 31 PWind dir W W SW SW W W SW SW Wind char BZ BZ GN GN GN GN GN GN Avg clouds B1 B1 B1 SC FW FW SC SC B1 SC SC SC SC SC SC SC PoP 12hr 40 20 5 5 10 5 5 5 Rain C C S Snow S $$ http://www.weather.gov/greatfalls