Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
375 FOUS55 KTFX 180810 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 210 AM MDT Mon Aug 18 2025 MTZ312-182200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 210 AM MDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 89 59 96 60 91 Temp 57 56 63 78 86 89 77 68 63 59 69 85 94 95 80 71 65 61 70 85 90 89 Dewpt 49 49 49 49 48 45 47 49 48 47 47 47 44 40 44 47 48 47 48 48 45 44 RH 75 77 60 36 27 22 35 51 58 64 45 27 18 15 28 42 54 60 45 28 21 21 Wind dir SW SW SW S SW W S SW S SW SW SW S SW NE N SW SW SW W NW NW Wind spd 5 4 3 3 5 9 5 5 4 5 4 3 5 8 6 6 5 5 5 5 6 10 Clouds FW SC B1 FW FW FW FW FW FW FW CL CL FW FW SC SC SC FW FW FW FW SC PoP 12hr 5 20 0 5 0 QPF 12hr 0 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 57 82 54 80 52 84 54 89 Temp 68 58 74 81 64 54 71 80 62 53 73 84 64 55 79 87 Dewpt 49 48 49 44 44 45 45 45 44 44 45 43 45 45 46 43 PWind dir NW NW NE NE NE SE E W Wind char LT LT GN LT GN LT GN LT Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 20 5 0 0 0 0 0 0 Rain shwrs S S Tstms S S $$ MTZ303-182200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 210 AM MDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 54 91 59 87 Temp 51 50 59 76 82 83 71 62 56 54 65 81 89 89 75 67 63 59 68 81 86 84 Dewpt 41 43 42 41 41 42 46 45 44 44 45 48 46 44 46 48 48 47 48 45 41 40 RH 68 77 53 28 23 24 41 54 64 69 48 32 23 21 36 50 58 64 49 28 21 21 Wind dir W W SW S S SW W NW NW NW NW SE SW SW NW W W W W W W W Wind spd 6 5 4 9 10 11 5 4 5 5 3 5 9 10 8 6 8 9 10 12 14 18 Wind gust 20 21 19 27 28 Clouds FW B1 B1 FW FW FW FW FW FW FW FW FW FW FW B1 B2 B1 SC FW FW FW FW PoP 12hr 5 20 0 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 77 48 75 48 80 50 84 Temp 61 51 68 76 58 49 67 75 57 49 69 79 60 51 74 82 Dewpt 44 46 47 40 44 42 43 43 43 41 45 44 46 43 44 42 PWind dir NW N NE NE E SE SE S Wind char GN GN GN GN GN LT GN LT Avg clouds FW SC FW FW FW SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 5 0 0 0 0 0 0 $$ MTZ319-182200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 210 AM MDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 89 58 96 59 92 Temp 57 55 59 75 86 88 77 69 63 58 64 82 94 94 83 73 65 60 65 80 89 90 Dewpt 50 51 51 53 50 45 49 47 46 47 49 49 42 36 40 41 41 43 45 47 44 43 RH 77 86 75 46 29 22 37 45 54 67 58 32 17 13 22 31 41 53 48 31 21 20 Wind dir W SW N E SE S SW SW SW SW SE E E E W W W SW W NW W W Wind spd 3 2 1 4 6 6 5 3 2 2 2 5 8 8 6 5 3 2 2 5 10 12 Wind gust 17 18 20 Clouds FW FW SC FW FW B1 SC FW FW FW FW CL FW FW SC SC FW FW FW FW SC SC PoP 12hr 20 50 0 0 5 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S C Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 57 86 54 84 53 88 56 91 Temp 71 58 75 84 67 54 72 84 66 53 76 88 69 57 79 89 Dewpt 46 46 47 36 43 45 48 42 45 45 48 40 42 44 47 40 PWind dir W NW NW N NW E W S Wind char GN LT LT LT LT LT LT LT Avg clouds B1 B1 FW FW FW CL CL FW FW FW CL FW FW FW SC SC PoP 12hr 10 5 0 0 0 0 0 10 $$ MTZ326-182200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 210 AM MDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 53 96 55 93 Temp 53 51 59 77 87 87 74 65 60 55 64 84 94 94 80 69 61 56 66 84 92 89 Dewpt 48 47 49 49 45 43 46 46 45 43 42 39 33 32 35 36 35 36 38 40 39 39 RH 83 86 69 37 23 21 37 50 58 64 45 20 12 11 20 30 38 47 36 21 16 17 Wind dir S S NW NW NW NW S S SE S S W NW E SE SE SE S W W NW NW Wind spd 4 4 2 3 5 6 6 8 6 5 2 2 4 5 9 10 6 5 2 3 6 10 Wind gust 16 17 Clouds FW FW FW FW FW SC B1 FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 20 20 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Obvis H Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 86 50 86 50 88 51 88 Temp 67 54 76 84 63 51 74 85 63 50 76 87 65 52 78 86 Dewpt 47 46 46 40 46 45 48 43 47 45 45 40 44 43 44 41 PWind dir NW W E E E NE E SW Wind char LT LT GN LT GN LT GN LT Avg clouds SC SC FW FW FW CL CL FW FW FW FW FW SC SC SC SC PoP 12hr 10 5 5 0 0 0 5 10 $$ MTZ330-182200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 210 AM MDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 82 40 86 43 85 Temp 44 40 52 75 80 80 67 56 45 40 55 80 85 84 70 58 48 43 57 81 85 83 Dewpt 44 40 44 41 33 32 33 33 31 32 33 30 25 24 28 28 28 30 34 35 34 35 RH 100100 74 29 18 17 28 42 58 73 43 16 11 11 21 32 46 60 42 19 16 18 Wind dir E S NE SW SW SW S SE SE SE N SW SW SW S SE SE SE S SW SW SW Wind spd 2 1 2 12 14 13 4 3 2 1 0 6 10 10 3 4 2 1 2 11 14 13 Wind gust 25 26 24 Clouds SC FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC FW SC SC SC SC PoP 12hr 20 10 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 43 81 38 83 40 84 42 81 Temp 60 43 76 79 55 38 77 81 55 40 78 80 57 42 75 76 Dewpt 37 38 39 29 38 37 39 32 41 40 40 34 40 39 40 41 PWind dir SW W N N NE NW NE S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW SC SC FW FW SC B1 SC B1 PoP 12hr 5 5 5 5 0 10 10 30 Rain shwrs C $$ MTZ328-182200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 210 AM MDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 49 93 52 89 Temp 49 48 57 78 86 83 69 61 53 50 61 82 90 91 75 65 57 53 64 82 88 85 Dewpt 46 46 48 51 46 45 46 43 41 38 40 39 35 32 30 32 33 34 38 41 39 42 RH 89 93 72 39 25 26 44 51 64 63 46 22 14 12 19 29 40 48 38 23 18 22 Wind dir SW S SW W SW W E SW S S SW SW SW S S S S S SW W SW W Wind spd 5 5 4 5 10 10 6 6 5 5 4 5 10 13 10 10 6 5 3 3 9 10 Wind gust 19 Clouds FW FW FW FW SC B1 SC FW FW FW CL CL FW FW FW FW FW FW FW SC SC B1 PoP 12hr 20 20 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 85 47 85 47 87 50 86 Temp 61 50 75 83 59 47 73 84 60 48 75 85 62 51 77 81 Dewpt 44 43 46 37 40 39 45 37 42 41 46 41 42 39 45 48 PWind dir NW NW NE N NE N E SW Wind char GN LT GN LT LT LT LT LT Avg clouds SC FW FW FW FW CL CL CL FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 20 Rain shwrs S $$ MTZ305-182200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 210 AM MDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 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 90 60 96 61 93 Temp 59 57 65 80 87 89 76 68 63 60 70 87 94 94 82 73 66 62 70 86 92 89 Dewpt 52 53 52 51 47 47 50 52 51 52 53 55 53 51 54 54 53 54 53 55 51 49 RH 78 86 63 36 25 23 40 57 65 75 55 34 25 23 38 51 63 75 55 35 25 25 Wind dir SW SW SW SW SW SW SE S S SE W W NW E E NE NE W W NW NW W Wind spd 4 4 3 4 5 5 5 5 4 2 2 3 4 5 5 5 5 5 5 8 9 10 Clouds FW FW FW FW FW FW FW FW FW FW CL FW FW CL FW SC SC SC FW FW FW SC PoP 12hr 5 5 0 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 Max heat 80 86 84 85 93 89 85 89 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 57 81 52 79 51 82 54 86 Temp 68 58 73 79 61 52 72 78 60 52 74 81 63 55 77 84 Dewpt 54 52 53 48 49 46 46 45 46 44 47 48 48 46 49 50 PWind dir W NW NE NE E E E SE Wind char GN GN LT GN GN GN GN GN Avg clouds SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 20 10 0 0 0 0 0 0 Rain shwrs S $$ MTZ314-182200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 210 AM MDT Mon Aug 18 2025 Date Mon 08/18/25 Tue 08/19/25 Wed 08/20/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 58 93 59 88 Temp 56 54 64 77 83 83 71 64 61 59 70 87 92 91 76 68 64 60 69 83 87 85 Dewpt 51 48 51 52 51 52 55 52 49 47 50 50 43 42 47 45 43 44 46 50 49 49 RH 83 80 63 42 33 34 57 65 65 64 49 28 18 18 36 43 46 55 44 32 27 29 Wind dir S S E E E E SE S SE S S W SW S SE SE S SW W NW NW N Wind spd 3 3 2 3 5 4 5 5 5 4 3 4 5 5 6 6 5 5 5 8 9 8 Clouds B1 FW CL CL FW FW B1 SC FW FW FW CL FW FW FW FW FW FW FW CL FW SC PoP 12hr 10 20 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 78 51 75 50 78 51 83 Temp 65 57 69 75 58 52 68 74 57 50 72 76 60 52 77 80 Dewpt 52 51 52 49 49 47 49 48 44 42 48 47 47 44 49 48 PWind dir W NW E E E E SE SE Wind char LT LT LT LT GN LT GN LT Avg clouds SC B1 SC SC FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 40 20 10 5 5 0 0 5 Rain shwrs S C S S Tstms S S S S $$ http://www.weather.gov/greatfalls