Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
634 FOUS55 KTFX 170804 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 204 AM MDT Fri Oct 17 2025 MTZ312-172200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 204 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 43 43 46 57 60 55 44 39 36 33 35 50 55 54 49 50 49 51 53 56 56 51 Dewpt 34 32 35 32 31 32 34 32 31 27 27 27 23 23 24 22 24 28 32 37 32 28 RH 70 65 65 38 33 41 68 76 82 78 72 41 29 30 37 33 37 41 44 49 40 41 Wind dir SW SW SW SW W W NW W W SW SW SW SW SW SW SW SW SW SW SW W W Wind spd 23 21 21 23 25 23 13 11 11 11 12 17 18 12 17 23 23 21 21 24 24 20 Wind gust 35 33 35 36 33 Clouds FW SC SC 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 C C S S S S C C C C S Snow 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 $$ MTZ303-172200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 204 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 55 27 54 41 54 Temp 43 41 45 53 53 44 38 34 32 29 31 48 53 50 44 44 43 44 46 51 52 47 Dewpt 29 26 30 31 31 33 31 27 24 22 23 24 23 25 25 24 26 30 34 36 31 30 RH 57 55 55 43 43 65 76 75 72 75 72 39 31 37 47 45 51 57 63 56 44 51 Wind dir W W W W W NW W W W W W W W SW SW SW SW SW SW W W W Wind spd 23 20 25 27 28 19 14 13 12 12 16 20 20 14 18 23 23 18 21 29 32 27 Wind gust 35 32 35 40 40 33 29 35 46 47 42 Clouds FW SC B1 SC B1 OV SC SC FW FW FW SC SC B1 B2 B2 B2 B2 B1 SC SC SC PoP 12hr 60 50 0 20 40 QPF 12hr 0.01 0.01 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain S C C S S S C C S S S Snow S High Wind A A A A A Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 33 50 30 54 31 54 35 60 Temp 39 35 45 46 35 32 48 49 38 32 49 49 40 38 54 54 Dewpt 29 28 28 27 26 23 27 26 28 25 28 28 26 24 29 31 PWind dir W W W SW W W SW SW Wind char WY BZ GN GN GN GN GN BZ Avg clouds SC B1 B1 SC FW SC B1 B1 SC SC SC SC SC B1 B1 B1 PoP 12hr 20 10 0 5 5 5 5 5 Rain S S $$ MTZ319-172200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 204 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 37 35 38 49 57 54 46 42 39 33 33 44 53 55 49 45 40 41 42 50 52 49 Dewpt 29 28 31 33 33 33 33 31 30 27 26 24 23 26 23 22 21 25 28 36 36 30 RH 72 75 76 54 40 45 60 65 70 78 75 45 31 32 36 40 46 52 57 58 54 48 Wind dir SW S S W W W W W W W S W SW S S SW S S S W W W Wind spd 11 9 9 10 18 18 17 13 10 6 6 8 9 5 10 12 11 9 10 13 17 18 Wind gust 28 32 32 26 20 31 34 Clouds FW SC B1 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 C S C C D D C Snow 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 $$ MTZ326-172200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 204 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 29 53 36 59 Temp 29 29 33 47 57 55 47 41 38 32 32 45 52 52 44 41 38 39 44 54 55 49 Dewpt 29 29 32 33 33 33 33 33 30 28 26 29 26 28 27 27 25 27 31 36 38 34 RH 100100 96 58 40 43 58 73 73 85 78 53 36 39 51 57 59 62 60 50 53 56 Wind dir SE SE SE N W W NW W W SW S W SW SE S S S S S SW W W Wind spd 9 8 8 6 16 16 16 12 10 6 6 6 8 5 12 14 14 10 10 10 14 13 Wind gust 27 26 20 26 25 Clouds SC B1 SC SC B1 OV B2 B2 B2 SC SC FW SC SC SC SC B1 B1 B2 B2 B2 B1 PoP 12hr 5 50 0 0 70 QPF 12hr 0 0.02 0 0 0.18 Snow 12hr 00-00 00-00 00-00 Rain C C C C S S L L C Snow C Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 31 51 27 55 28 57 29 61 Temp 39 35 43 50 34 29 47 52 38 29 48 52 38 31 52 56 Dewpt 32 28 28 27 25 23 30 29 30 24 31 29 28 24 31 32 PWind dir W W S S SW SW S SW Wind char GN GN GN LT LT LT LT LT Avg clouds B1 B1 B1 SC FW FW SC SC B1 SC SC SC SC SC SC SC PoP 12hr 50 10 0 5 10 5 5 5 Rain C C $$ MTZ330-172200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 204 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 31 28 31 39 44 43 38 33 28 23 25 39 45 43 34 30 26 27 34 46 47 44 Dewpt 31 28 31 35 34 32 30 29 25 19 20 23 20 24 24 23 20 22 25 30 31 33 RH 100100100 85 68 65 73 85 88 84 81 52 36 47 66 75 78 81 69 53 53 65 Wind dir SW SW SW SW SW SW SW SW W W SW SW SW SW SW S S S S SW SW SW Wind spd 9 8 10 12 17 16 14 11 6 4 2 6 13 12 11 13 10 9 13 19 23 17 Wind gust 27 26 27 21 32 35 28 Clouds B2 B2 B2 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 S S C C L L Rain shwrs L Snow 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 $$ MTZ328-172200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 204 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 26 54 35 57 Temp 29 30 33 49 57 54 43 36 32 28 28 45 53 52 43 38 36 35 39 53 54 47 Dewpt 29 27 30 31 31 32 30 28 25 23 23 25 20 24 27 26 25 25 28 36 38 35 RH 100 88 89 50 37 43 60 72 75 81 81 45 27 33 53 62 64 66 64 52 54 63 Wind dir S S SW SW W W SW W SW S SW SW SW S S S S S S SW SW W Wind spd 10 10 11 12 18 16 12 13 11 10 9 8 10 9 12 17 17 14 17 14 17 13 Wind gust 28 25 Clouds FW SC B2 SC SC SC SC SC SC FW FW FW SC SC SC SC SC SC B1 B2 B1 B1 PoP 12hr 0 10 0 0 50 QPF 12hr 0 0 0 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain S S C C C Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 28 50 25 55 26 55 29 59 Temp 34 30 42 46 30 27 46 50 36 27 47 50 35 30 50 53 Dewpt 29 25 26 25 22 21 27 30 26 22 29 29 24 22 29 33 PWind dir W SW SW S S SW S S Wind char GN GN LT LT LT LT LT GN Avg clouds B1 SC SC FW FW FW SC SC B1 SC SC SC SC SC SC SC PoP 12hr 30 5 0 0 5 5 5 5 Rain C S Snow S $$ MTZ305-172200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 204 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 40 38 43 55 58 52 40 37 33 31 33 48 55 52 43 41 39 44 48 57 60 55 Dewpt 32 29 32 33 32 35 33 32 28 26 25 29 24 24 24 23 24 29 33 38 35 32 RH 73 70 65 43 37 52 76 82 82 81 72 47 30 33 47 48 54 55 56 49 39 41 Wind dir SW SW SW W W NW W SW SW SW SW SW W SW SW SW SW SW SW SW W W Wind spd 19 18 16 17 17 13 11 11 11 11 12 14 14 10 10 13 16 17 18 21 24 21 Wind gust 29 28 26 28 29 32 39 33 Clouds SC SC SC 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 S C C S C 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 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 $$ MTZ314-172200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 204 AM MDT Fri Oct 17 2025 Date Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 58 28 51 35 59 Temp 35 34 40 55 57 52 40 35 33 30 33 45 50 47 39 40 39 44 49 56 54 49 Dewpt 31 28 29 31 31 33 34 32 29 26 24 23 20 22 21 21 20 26 30 36 39 33 RH 85 78 64 40 37 48 79 89 85 85 69 41 30 37 48 46 46 49 48 47 57 54 Wind dir SW W W W W W W W W W W W W SW S SW SW SW SW SW W W Wind spd 11 12 12 17 21 18 19 12 11 9 9 12 11 5 10 11 13 13 13 14 18 18 Wind gust 29 28 31 Clouds SC B1 SC FW B1 B2 OV B2 SC SC FW FW SC SC SC SC B1 B2 B2 B2 B2 B1 PoP 12hr 10 60 5 20 50 QPF 12hr 0 0.09 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain C L C S S S S C C C Snow C S Date Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 33 48 28 57 31 55 35 64 Temp 39 36 44 45 34 31 52 51 41 33 50 50 40 39 57 57 Dewpt 28 28 30 26 26 21 27 30 28 23 29 29 25 22 29 31 PWind dir W W SW SW W W SW SW Wind char BZ BZ GN GN GN GN GN GN Avg clouds B1 B1 B1 SC FW FW SC SC B1 SC SC SC SC SC SC SC PoP 12hr 40 20 5 5 10 5 5 5 Rain C C S Snow S $$ http://www.weather.gov/greatfalls