FOUS55 KTFX 220631 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 1231 AM MDT Sat Aug 22 2026 MTZ312-231000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 1231 AM MDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 90 61 89 53 Temp 64 62 66 79 87 88 76 70 67 64 70 84 87 84 72 64 57 53 Dewpt 49 48 47 47 45 48 53 54 54 52 53 48 41 39 38 39 38 37 RH 58 60 50 32 23 25 45 57 63 65 55 29 20 20 29 40 49 54 Wind dir SE S S SW SE E SW SW SW SW SW SW W W W W SW SW Wind spd 4 3 4 4 5 6 6 10 10 10 10 14 21 20 12 8 6 6 Wind gust 28 33 32 Clouds B1 B2 B2 B2 B1 SC B1 B2 B1 B1 SC SC SC FW FW CL CL CL PoP 12hr 0 30 40 20 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C S Tstms S C S C S Date 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 53 85 56 90 57 86 53 84 Temp 74 79 63 53 74 83 66 58 83 86 66 58 81 82 63 53 77 82 Dewpt 36 37 42 42 44 41 44 45 46 43 47 46 42 36 38 39 37 33 PWind dir W NE N E S S SW W SW Wind char LT LT LT LT LT GN GN GN LT Avg clouds CL CL FW FW FW FW FW SC SC SC SC SC FW FW FW SC FW FW PoP 12hr 0 0 0 5 10 20 5 10 5 Rain shwrs S $$ MTZ303-231000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 1231 AM MDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 85 57 81 50 Temp 60 57 61 73 82 85 72 66 62 58 65 78 79 77 66 59 53 51 Dewpt 47 47 47 47 47 46 50 50 49 47 49 46 40 35 37 39 39 40 RH 62 69 60 40 29 26 46 56 62 67 56 32 25 22 34 47 59 66 Wind dir E E E S S SE S SW W W W W W W W W W W Wind spd 4 4 4 5 5 8 6 6 8 9 12 20 26 24 16 10 10 6 Wind gust 25 35 39 37 26 Clouds B1 B2 B2 B2 B2 SC B1 B1 B1 B2 SC FW SC FW FW FW FW FW PoP 12hr 0 30 20 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S Tstms S C S S Obvis K Date 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 49 81 52 85 52 78 48 77 Temp 70 76 58 50 71 80 61 53 77 82 62 53 74 75 57 49 71 74 Dewpt 40 40 43 42 43 40 42 42 44 42 44 42 39 35 37 35 34 33 PWind dir NW N SE SE SE SW W W W Wind char LT LT LT LT LT GN GN GN GN Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC SC FW FW FW SC SC PoP 12hr 0 0 0 0 10 20 10 5 5 Rain shwrs S $$ MTZ319-231000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 1231 AM MDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 90 57 87 52 Temp 65 62 63 77 87 85 73 68 63 59 63 79 83 83 71 63 56 52 Dewpt 48 47 48 49 45 49 54 56 55 52 53 52 48 41 40 41 39 41 RH 54 58 58 37 23 29 51 65 75 78 70 39 30 23 32 44 53 66 Wind dir N N N E E S SW S NW S E W W W NW W SW SW Wind spd 0 0 0 4 6 6 8 5 3 3 4 9 14 16 10 5 5 3 Wind gust 20 27 26 Clouds B1 OV OV B1 SC B2 B2 B2 B1 B2 SC B1 SC FW FW FW FW CL PoP 12hr 10 30 60 30 0 QPF 12hr 0 0 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S L C S S Tstms S S S C C S S Date 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 55 86 56 87 54 85 51 83 Temp 73 83 64 55 74 84 65 56 79 83 64 54 77 82 62 51 75 80 Dewpt 40 35 40 42 45 41 46 46 49 46 48 46 46 38 40 40 41 35 PWind dir W W E S S SW W W SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW FW SC SC FW SC SC SC SC B1 SC FW FW FW SC SC FW PoP 12hr 0 0 5 5 20 20 5 5 5 Rain shwrs S S Tstms S $$ MTZ326-231000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 1231 AM MDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 87 53 86 50 Temp 63 59 65 77 85 81 68 64 58 54 62 79 83 81 67 61 53 50 Dewpt 49 48 50 48 46 52 57 57 55 52 53 48 44 45 48 49 46 46 RH 60 67 58 36 26 37 68 78 90 93 72 34 25 28 50 65 77 86 Wind dir SE W N E E SE S NW E S SW W SW SW NW W SE SE Wind spd 8 5 3 2 4 5 6 4 4 3 2 8 16 12 8 3 3 4 Wind gust 24 26 24 Clouds B2 B2 B2 B1 SC B1 OV B2 SC B1 B1 SC B2 B1 FW FW FW FW PoP 12hr 10 50 40 40 10 QPF 12hr 0 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C S Tstms S C S C C S Date 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 51 84 51 86 51 84 49 83 Temp 72 82 62 51 74 82 61 53 79 80 61 52 77 81 59 49 74 81 Dewpt 43 38 45 44 46 43 49 47 47 46 50 46 45 39 45 42 42 37 PWind dir W E NW SE S SE SW SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 SC FW SC SC SC SC B2 B1 FW FW SC SC SC FW PoP 12hr 0 0 5 10 10 30 10 10 5 Rain shwrs C Tstms S $$ MTZ330-231000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 1231 AM MDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 81 45 78 41 Temp 56 53 58 73 80 75 64 55 50 47 54 72 77 72 63 53 46 41 Dewpt 46 46 50 50 45 49 54 52 50 47 51 51 42 44 46 43 41 40 RH 69 77 75 44 29 40 70 90100100 90 48 29 37 54 69 83 96 Wind dir N N N SW SW SW S N N N SW SW SW SW SW N N N Wind spd 0 0 0 6 10 6 2 0 0 0 3 16 18 12 6 0 0 0 Wind gust 17 28 24 Clouds OV OV B2 B1 B1 B1 B2 B2 SC B2 SC B1 B1 B1 SC SC SC SC PoP 12hr 20 50 40 30 10 QPF 12hr 0 0.01 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C S C C C Tstms S S S C S C C C Date 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 43 78 41 79 41 76 39 75 Temp 71 72 53 43 70 71 51 42 72 71 52 41 71 70 50 39 69 69 Dewpt 41 41 44 41 46 44 46 42 47 43 45 41 43 34 36 33 36 30 PWind dir SW SW SW W SW S SW SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW B1 B2 B1 SC B1 B1 B1 SC B1 B1 SC SC SC SC SC SC PoP 12hr 5 10 20 10 10 20 5 5 5 Rain shwrs S S Tstms S S $$ MTZ328-231000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 1231 AM MDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 86 52 85 48 Temp 63 60 63 76 84 79 66 60 56 54 59 77 83 82 67 58 51 48 Dewpt 46 47 51 49 46 53 56 54 52 51 53 49 41 39 40 39 38 38 RH 54 62 65 39 27 41 70 81 86 90 80 37 23 22 37 49 61 68 Wind dir S S S SW SW SW E S S S SW SW SW SW SW SW S S Wind spd 6 6 4 3 6 8 5 5 5 6 4 17 24 17 10 6 5 4 Wind gust 35 36 32 Clouds OV OV SC B1 B1 B2 B1 B1 B1 SC SC SC SC FW FW FW FW FW PoP 12hr 20 40 60 10 0 QPF 12hr 0 0 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C L C Tstms S S S C C C C Date 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 50 83 50 84 49 83 47 82 Temp 74 81 59 50 73 80 59 52 76 77 58 49 74 79 56 48 73 78 Dewpt 45 41 43 41 47 46 48 46 48 47 46 43 44 39 40 38 40 37 PWind dir SW SE SW SE SW S SW SW SW Wind char LT LT LT LT LT GN GN GN LT Avg clouds FW FW B1 B1 SC FW SC SC B1 SC B1 SC SC FW SC SC SC SC PoP 12hr 0 10 10 20 20 20 5 5 5 Rain shwrs S S S Tstms S S $$ MTZ305-231000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 1231 AM MDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 93 61 93 55 Temp 66 63 70 84 91 90 80 71 68 64 69 84 89 86 73 65 60 56 Dewpt 49 48 48 49 49 51 53 54 54 53 53 47 41 45 47 43 40 41 RH 54 58 45 30 24 26 39 55 61 67 57 28 19 24 40 45 47 57 Wind dir E E E SE S SE E SE S SW W W W W W SW SW W Wind spd 12 12 12 13 13 12 9 8 5 8 10 10 12 13 11 11 11 11 Clouds B1 B1 SC B2 B2 B1 B1 B1 B2 OV B1 B1 B1 SC SC FW FW FW PoP 12hr 0 20 5 40 20 QPF 12hr 0 0 0 0.12 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S S Tstms S S C Heat index 80 Max heat 82 89 87 82 87 82 Date 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 52 86 55 93 57 89 53 85 Temp 75 80 61 53 77 84 64 57 84 90 68 59 81 86 63 54 77 82 Dewpt 46 42 44 44 45 41 44 44 45 42 47 46 43 38 40 38 36 33 PWind dir W N NE E SE SE SW W W Wind char GN LT LT LT LT GN LT GN LT Avg clouds FW CL FW FW FW FW FW FW SC SC SC SC SC FW FW SC SC FW PoP 12hr 0 0 0 0 5 20 10 20 5 Rain shwrs S S S $$ MTZ314-231000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 1231 AM MDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 88 59 89 52 Temp 64 60 67 81 85 85 73 67 65 62 70 83 87 81 68 62 56 53 Dewpt 47 46 48 50 47 51 53 52 52 50 51 47 46 51 51 47 41 38 RH 54 60 50 34 27 31 49 59 63 65 51 28 24 35 54 58 57 57 Wind dir E E SE SE S SE S S S SW W W W NW W W SW SW Wind spd 12 8 6 5 6 5 8 6 5 3 3 5 9 5 5 5 3 4 Wind gust 16 19 17 Clouds SC B1 B1 SC B2 B1 B1 B1 B2 B1 SC SC B2 B2 SC FW FW FW PoP 12hr 0 20 30 40 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S Tstms S S C C Date 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 50 83 53 87 54 85 51 83 Temp 72 78 58 51 76 81 61 56 82 82 63 56 80 80 60 52 76 80 Dewpt 37 39 41 40 44 43 45 44 45 45 47 45 42 41 41 38 38 37 PWind dir W E E SE S SE W W W Wind char LT LT LT GN LT LT LT LT LT Avg clouds FW CL FW SC FW FW FW SC SC FW B1 B1 SC FW SC SC SC FW PoP 12hr 0 0 5 5 10 20 10 20 5 Rain shwrs S S $$ http://www.weather.gov/greatfalls