Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
403 FOUS55 KTFX 011425 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 825 AM MDT Fri Aug 1 2025 MTZ312-012200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 825 AM MDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 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 85 58 80 57 83 Temp 63 74 82 80 67 63 60 59 65 75 78 76 68 63 60 57 65 77 83 81 Dewpt 55 57 58 57 58 58 56 55 55 56 57 55 55 53 52 50 52 50 47 46 RH 75 55 44 45 73 84 87 87 70 52 48 48 63 70 75 77 63 39 28 29 Wind dir N NE NE SE SW SW SW SW SW W W W W SW SW SW SW W W N Wind spd 4 3 5 8 6 5 5 6 8 9 9 10 6 6 6 8 8 10 10 9 Clouds SC SC B1 OV B2 B1 SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 70 80 40 20 10 QPF 12hr 0.09 0.37 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D S C C S S Tstms C L S C C S S Heat index 82 80 Max heat 84 81 Flood A A A A Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 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 55 85 54 81 54 83 55 80 Temp 64 56 76 77 60 57 72 78 63 56 76 79 63 57 73 77 Dewpt 51 48 49 49 52 52 47 42 44 42 43 42 45 46 45 43 PWind dir E SE W SW SW SW SW W Wind char LT LT GN GN LT GN LT GN Avg clouds SC FW FW SC B2 SC SC SC SC SC SC SC B1 B1 B1 SC PoP 12hr 5 20 50 20 5 0 5 5 Rain shwrs S C S S Tstms S C S $$ MTZ303-012200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 825 AM MDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 57 74 56 76 Temp 62 73 79 77 67 61 59 57 63 71 72 70 65 60 58 56 62 69 74 75 Dewpt 54 59 61 60 58 58 56 55 56 58 60 57 58 56 54 53 54 55 52 52 RH 75 62 54 56 73 90 90 93 78 63 66 63 78 87 86 90 75 61 46 45 Wind dir W E E SE SW NW W W W W W W W W W W W W NW NW Wind spd 2 5 6 5 5 4 5 5 8 10 10 11 9 8 6 6 9 11 11 11 Wind gust 21 Clouds B1 SC B1 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 80 70 50 30 20 QPF 12hr 0.05 0.08 0.19 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C L C C S S C C C C S S Tstms S C L C S C C C C S S Obvis PF Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 77 52 73 51 74 52 73 Temp 58 51 73 72 56 53 67 71 57 52 69 71 58 53 68 70 Dewpt 52 48 50 50 54 50 48 45 44 43 44 45 47 46 47 47 PWind dir W S SW W W W W W Wind char LT LT GN GN GN GN GN GN Avg clouds SC SC SC B1 B2 B1 SC SC SC SC SC SC B1 B1 B1 SC PoP 12hr 10 20 50 20 5 0 5 10 Rain shwrs S C C S S Tstms S C S S $$ MTZ319-012200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 825 AM MDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 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 83 58 81 56 86 Temp 62 76 82 77 70 66 62 59 63 73 79 79 72 66 61 56 62 77 84 85 Dewpt 55 55 53 52 54 53 53 52 53 53 52 48 49 48 47 46 46 43 40 37 RH 78 48 37 42 57 63 72 78 70 49 39 34 44 52 60 69 56 30 21 18 Wind dir NW N SW W W SW SW SW W W NW W W SW SW SW SW W W NW Wind spd 1 2 5 8 6 5 5 4 4 8 12 12 9 6 5 5 4 8 10 10 Wind gust 16 Clouds FW FW B1 B2 B1 SC SC SC B1 B1 B1 SC SC SC FW FW FW SC SC FW PoP 12hr 70 50 40 20 10 QPF 12hr 0.07 0.10 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C S S Tstms C C S C C S S Flood A A A A Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 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 55 84 54 81 54 85 56 82 Temp 67 56 75 76 64 54 72 80 65 54 76 81 66 56 73 79 Dewpt 41 44 44 46 49 47 46 39 40 41 42 40 43 44 44 40 PWind dir W E W W W SW W W Wind char LT LT GN GN LT LT LT LT Avg clouds SC SC SC B1 B1 SC SC FW FW SC SC SC B1 B1 B1 B1 PoP 12hr 5 40 40 10 5 5 5 10 Rain shwrs C C Tstms C C $$ MTZ326-012200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 825 AM MDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 52 83 50 85 Temp 61 76 84 79 70 62 56 52 62 75 82 80 70 62 55 51 61 75 83 84 Dewpt 47 49 49 50 49 51 50 49 49 51 48 47 48 49 47 46 46 44 39 40 RH 60 39 30 36 47 67 80 89 62 43 31 31 45 62 74 83 58 33 21 21 Wind dir SW NW SW NW W SW S S SW NW NW NW NW S S S SW W W NW Wind spd 2 3 5 8 5 3 3 2 2 5 9 11 6 3 3 3 2 5 6 6 Clouds FW FW B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC FW FW FW SC SC SC PoP 12hr 40 30 30 20 20 QPF 12hr 0.01 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C S S S S Tstms C C S C C S S S Obvis PF Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 86 49 83 49 88 50 85 Temp 63 51 77 80 60 50 72 81 63 51 77 83 63 51 74 80 Dewpt 44 44 45 43 48 47 44 37 42 42 41 39 44 43 43 40 PWind dir E SE SW W SE SW W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC B1 SC SC FW SC FW FW SC B1 B1 B1 B1 PoP 12hr 10 30 30 10 5 5 5 5 Rain shwrs C C Tstms S C $$ MTZ330-012200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 825 AM MDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 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 77 40 77 39 76 Temp 51 71 77 75 63 53 44 40 53 73 77 72 60 51 43 39 51 72 75 74 Dewpt 37 38 35 36 38 39 38 38 39 40 36 39 42 44 42 39 43 40 34 34 RH 59 30 22 24 39 59 79 92 59 30 23 30 51 77 96100 74 31 22 23 Wind dir S SW SW SW S S N N N W W W N N N N N W SW W Wind spd 2 13 16 13 5 1 0 0 0 6 10 9 3 1 0 0 0 6 9 6 Wind gust 27 24 Clouds FW FW SC SC SC SC SC FW FW B1 B1 B1 B1 SC FW SC SC B1 B1 SC PoP 12hr 30 10 40 30 30 QPF 12hr 0 0 0 0.02 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C C C Tstms S C C C C S C Obvis F Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 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 78 38 74 38 80 40 78 Temp 51 38 73 75 52 39 67 72 53 38 74 78 55 41 73 75 Dewpt 38 36 34 30 38 37 38 31 34 33 36 31 37 36 37 34 PWind dir S SE S SW S SW SW SW Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC SC SC SC FW SC FW FW FW SC B1 SC SC PoP 12hr 10 20 20 5 5 5 5 5 Rain shwrs S S Tstms S S $$ MTZ328-012200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 825 AM MDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 48 79 47 81 Temp 58 73 75 70 64 56 51 48 58 72 78 75 65 57 51 47 58 73 79 80 Dewpt 48 53 53 54 52 51 48 47 49 52 48 48 49 48 46 44 46 46 42 43 RH 69 49 46 57 65 83 89 96 72 49 35 38 56 72 83 89 64 38 27 27 Wind dir SW SW SW NW W SW S S SW W W N NW S S S SW W W NW Wind spd 3 4 9 10 6 5 5 5 4 4 9 10 6 5 5 5 3 3 6 6 Clouds CL B1 B2 B1 B1 FW SC FW FW B1 B1 SC SC FW FW FW FW SC SC SC PoP 12hr 60 20 30 20 20 QPF 12hr 0.03 0.01 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L S C C S S S S Tstms S L S C C S S S S Obvis PF Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 80 46 79 47 84 48 81 Temp 58 49 73 75 55 47 69 77 58 48 75 80 59 49 72 77 Dewpt 45 42 45 43 48 45 44 40 40 39 41 42 43 41 44 42 PWind dir E NW SW SW SW SW W SW Wind char LT LT GN LT LT LT GN GN Avg clouds SC SC SC B1 B1 SC SC SC SC SC FW SC B1 SC SC B1 PoP 12hr 10 30 20 5 0 5 0 5 Rain shwrs C S Tstms S S $$ MTZ305-012200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 825 AM MDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 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 87 60 82 59 81 Temp 71 81 85 84 73 65 62 60 66 76 80 78 70 64 61 59 66 76 80 78 Dewpt 65 64 62 62 63 62 60 59 61 63 62 61 62 61 59 58 59 60 58 57 RH 81 56 46 48 71 90 93 96 84 64 54 56 76 90 93 96 78 58 47 48 Wind dir E E E E SE W SE SW SW SW W W SW SW SW SW W W W W Wind spd 9 10 10 10 6 5 3 3 4 5 6 8 5 5 5 5 6 9 9 9 Clouds B1 B1 B1 B2 OV OV B1 SC SC B2 B2 B2 B2 B1 B1 B1 SC B1 B1 B1 PoP 12hr 60 90 50 40 40 QPF 12hr 0.06 0.62 0.03 0.12 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L D D C S S C C C C S S S S C C Tstms S C C L L S S C C C C S C C Heat index 82 86 85 82 81 Max heat 82 87 83 82 81 Flood A A A A Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 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 55 86 55 81 54 83 55 81 Temp 62 56 78 81 63 58 73 78 62 56 77 81 63 57 74 78 Dewpt 57 54 56 52 57 56 54 50 51 48 49 47 50 50 51 47 PWind dir SW E S W SW SW SW W Wind char LT LT GN GN LT GN LT GN Avg clouds SC FW FW SC B2 B2 B1 B1 SC SC FW SC B1 B1 B1 B1 PoP 12hr 10 20 50 40 10 5 5 10 Rain shwrs S C C C C Tstms S C S C $$ MTZ314-012200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 825 AM MDT Fri Aug 1 2025 Date Fri 08/01/25 Sat 08/02/25 Sun 08/03/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 53 77 52 78 Temp 64 77 82 78 64 60 56 55 64 73 75 74 65 59 56 53 63 73 76 77 Dewpt 57 61 62 59 58 57 54 53 57 56 58 57 57 54 52 48 51 51 50 51 RH 78 58 51 52 81 90 93 93 78 55 55 55 75 83 86 83 65 46 40 40 Wind dir E NE E S SE S SW S W W NW NW W SW SW SW W W NW NW Wind spd 2 4 5 6 5 3 2 2 3 5 6 6 5 4 4 4 5 8 8 5 Clouds FW FW SC OV B2 B1 SC SC SC B1 B1 B1 B1 SC SC SC SC B1 B1 SC PoP 12hr 60 80 50 30 30 QPF 12hr 0.18 0.26 0.06 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S D L C C C C C C C S Tstms S L L C C C C C S Obvis PF Heat index 83 Max heat 83 Flood A A A A Date Mon 08/04/25 Tue 08/05/25 Wed 08/06/25 Thu 08/07/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 82 51 76 51 81 52 76 Temp 59 54 77 76 58 53 70 74 58 54 75 76 59 54 71 73 Dewpt 51 48 51 51 54 50 48 46 46 43 46 46 48 46 48 47 PWind dir SW SE S W SW W SW W Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC B2 B1 SC B1 SC SC FW FW B1 B2 B1 SC PoP 12hr 20 30 50 30 10 10 10 10 Rain shwrs S C C C C Tstms S S C C $$ http://www.weather.gov/greatfalls