Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
971 FOUS55 KTFX 310935 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 335 AM MDT Fri Jul 31 2026 MTZ312-312200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 335 AM MDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 96 61 103 62 86 Temp 61 71 88 95 95 83 72 65 61 72 92102101 87 75 67 62 69 79 85 84 Dewpt 46 47 38 32 35 38 39 41 41 41 39 30 32 38 40 38 34 32 27 25 22 RH 58 42 17 11 12 20 30 41 48 33 16 8 9 18 28 34 35 25 15 11 10 Wind dir SW SW W W NW NE E S SW SW SW SW W W W SW SW W W W W Wind spd 6 4 6 4 4 9 5 4 5 5 14 17 19 19 18 13 14 20 23 26 20 Wind gust 25 28 29 31 Clouds CL CL CL CL CL CL FW FW FW FW FW FW B1 FW FW CL CL CL CL CL CL PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K K K K K K K Extreme Heat A A A A A Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 72 48 80 51 90 56 92 Temp 62 50 62 70 57 48 70 78 61 52 78 88 67 57 84 90 Dewpt 29 38 37 37 36 38 35 35 35 38 37 35 37 37 36 33 PWind dir NW N E NE E SW E NW Wind char BZ LT GN LT GN LT LT LT Avg clouds CL FW FW FW SC FW FW CL FW SC FW FW FW FW FW FW PoP 12hr 0 10 0 0 0 0 5 0 $$ MTZ303-312200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 335 AM MDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 54 97 55 75 Temp 55 65 83 89 90 76 64 58 55 66 88 96 93 78 67 61 55 61 71 75 73 Dewpt 39 38 34 34 33 38 38 37 36 37 35 32 35 39 37 36 34 31 24 23 24 RH 55 37 17 14 13 25 38 45 49 34 15 11 13 25 33 39 45 32 17 14 16 Wind dir W W W W W W W W W SE S SW W W W W W W W W W Wind spd 9 9 11 9 9 6 3 4 3 6 14 25 28 27 32 25 20 25 26 28 26 Wind gust 17 31 40 42 43 47 37 31 39 39 42 37 Clouds FW CL CL FW FW CL CL FW FW FW SC SC B1 FW CL CL FW CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K K K K K K K K K High Wind A A A A A Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 45 68 43 75 47 85 51 86 Temp 54 45 60 67 51 44 68 75 57 48 75 84 61 52 80 84 Dewpt 35 38 35 32 36 36 33 30 34 35 35 31 36 37 36 33 PWind dir NW NW N S SE SW W NW Wind char BZ GN LT LT GN LT GN GN Avg clouds CL FW SC SC SC FW FW CL FW FW SC FW FW FW FW FW PoP 12hr 0 5 0 0 0 0 5 5 $$ MTZ319-312200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 335 AM MDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 95 61 101 60 85 Temp 59 67 83 93 95 82 73 66 61 69 87 99101 86 75 66 60 65 77 84 83 Dewpt 48 49 48 42 38 44 45 45 44 44 46 42 35 39 41 40 40 38 36 35 29 RH 67 52 30 17 14 26 37 47 53 40 24 14 10 19 29 38 47 37 23 17 14 Wind dir SW N N N N NW W W SW E SE SW W W W W W W W NW NW Wind spd 3 0 0 4 6 5 4 2 4 4 11 17 16 18 20 11 9 10 14 19 19 Wind gust 25 28 27 32 21 26 32 29 Clouds FW CL CL CL CL FW FW FW FW FW FW SC SC FW FW CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K K K K K K K K Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 74 47 81 51 90 55 92 Temp 62 50 63 72 57 47 68 80 61 51 75 88 66 55 81 90 Dewpt 27 34 38 33 37 38 39 35 38 38 41 33 37 37 39 34 PWind dir NW NW N NE NW E W NW Wind char GN GN LT LT LT LT LT LT Avg clouds CL FW FW FW FW FW CL CL CL FW FW CL FW FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ MTZ326-312200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 335 AM MDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 94 58 102 57 91 Temp 56 67 82 92 92 78 68 62 58 70 87100100 83 72 63 57 66 78 89 90 Dewpt 47 47 48 42 38 41 43 43 43 43 38 31 34 34 38 40 41 40 37 32 34 RH 72 49 31 18 15 27 40 50 57 38 18 9 10 17 29 43 55 38 23 13 14 Wind dir SE N NW NW N E S S SE S W SW SW SW W SE S W NW W NW Wind spd 3 0 3 5 6 5 8 6 4 1 5 17 17 13 16 4 3 5 10 19 19 Wind gust 19 31 28 27 32 31 Clouds FW FW CL CL CL FW SC FW FW FW FW SC SC SC FW FW FW FW CL CL FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K K K K K K Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 76 45 80 48 90 54 93 Temp 63 50 66 74 56 46 67 79 59 49 75 88 64 54 81 91 Dewpt 32 33 35 32 38 40 40 36 41 42 41 35 39 39 37 33 PWind dir NW NW NE NE E N E NW Wind char GN LT GN LT GN LT LT LT Avg clouds FW FW CL CL FW FW FW CL FW FW FW CL FW FW FW FW PoP 12hr 0 0 0 0 0 0 0 0 $$ MTZ330-312200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 335 AM MDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 88 47 92 48 88 Temp 45 59 80 87 86 72 60 52 47 61 83 91 90 75 63 54 48 62 81 87 86 Dewpt 38 40 40 30 29 37 39 37 36 39 35 27 21 27 29 27 26 31 32 24 23 RH 76 49 24 13 13 28 46 56 65 44 18 10 8 17 27 35 42 31 17 10 10 Wind dir N N W SW W N N N N SW SW SW SW S S N N W SW SW SW Wind spd 0 0 3 6 4 0 0 0 0 2 14 18 17 11 11 0 0 4 17 20 23 Wind gust 12 27 29 28 23 27 34 33 Clouds SC SC FW FW FW FW FW FW SC FW FW SC SC SC FW FW FW FW CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 41 77 36 80 39 86 45 88 Temp 58 41 71 75 49 37 71 78 52 40 76 84 58 45 80 86 Dewpt 34 34 30 21 38 36 32 19 38 35 29 19 34 32 28 21 PWind dir W W N N NW SW W SW Wind char GN LT GN LT LT LT LT LT Avg clouds FW CL CL CL CL FW FW CL CL FW FW CL CL FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ MTZ328-312200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 335 AM MDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 56 95 55 88 Temp 54 62 78 87 88 75 66 59 56 66 83 93 93 79 67 59 55 62 79 87 86 Dewpt 48 50 49 38 38 47 46 43 43 46 43 28 31 33 38 40 42 44 42 32 29 RH 80 65 36 18 17 37 48 55 62 48 24 10 11 19 34 49 61 52 27 14 13 Wind dir S SW SW W NE SE SW S S SW SW SW SW SW SW SW SW SW W W W Wind spd 4 3 2 3 4 5 6 5 5 3 9 19 21 20 19 10 9 6 14 23 19 Wind gust 23 32 35 33 25 35 31 Clouds SC FW CL CL FW B1 SC FW FW FW FW SC SC SC SC FW FW CL CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K K Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 75 45 78 48 88 52 90 Temp 60 48 64 73 54 45 65 76 58 49 73 86 62 53 79 88 Dewpt 36 35 35 36 39 39 41 38 41 40 41 35 38 38 40 35 PWind dir NW N NE N NE W SE W Wind char GN LT GN LT LT LT LT LT Avg clouds FW CL CL CL CL FW FW CL FW FW FW CL FW FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ MTZ305-312200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 335 AM MDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 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 97 57 106 62 86 Temp 59 69 86 95 96 81 68 62 58 71 92104104 88 75 68 62 68 78 84 85 Dewpt 50 48 42 35 37 40 40 40 39 40 42 37 34 39 40 37 35 32 27 22 22 RH 72 47 21 12 13 23 36 44 49 32 18 10 9 18 28 32 36 26 15 10 10 Wind dir W W W W NW N E SE E SE S SW SW W W W W W W W W Wind spd 5 9 9 11 9 4 4 4 2 2 8 13 12 14 20 18 20 26 26 26 24 Wind gust 25 23 25 29 32 37 35 Clouds FW CL CL CL FW FW CL FW FW FW FW FW SC SC FW FW FW CL CL CL CL PoP 12hr 0 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K K K K K K K K K K K Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 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 73 45 80 51 91 55 93 Temp 61 48 64 70 54 46 71 78 60 52 79 89 65 56 84 90 Dewpt 34 41 37 33 35 37 33 31 34 36 37 34 39 41 41 36 PWind dir NW NW W W E SW SE N Wind char BZ GN LT LT LT LT LT LT Avg clouds FW FW SC SC SC FW FW CL FW FW SC FW FW SC SC FW PoP 12hr 0 5 0 0 0 0 5 0 $$ MTZ314-312200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 335 AM MDT Fri Jul 31 2026 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 59 100 60 85 Temp 60 72 84 90 90 77 68 64 63 80 92 98 98 83 73 65 61 68 79 84 83 Dewpt 45 48 45 45 42 45 45 42 42 49 42 39 35 40 40 40 40 36 35 31 29 RH 58 42 26 21 19 32 43 45 46 34 18 13 11 22 30 40 46 31 20 15 14 Wind dir S W NW NW N NE SE SE SE S SW SW W S W W W NW NW NW NW Wind spd 4 3 5 5 4 4 6 5 4 4 12 14 12 10 13 6 6 14 13 19 16 Wind gust 16 23 25 25 17 24 Clouds FW CL CL CL FW FW FW SC FW FW CL SC SC SC FW FW FW CL CL CL FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Obvis K K K K K K K K K K K Extreme Heat A A A A A A A A Date Mon 08/03/26 Tue 08/04/26 Wed 08/05/26 Thu 08/06/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 67 43 75 48 85 54 89 Temp 62 50 60 65 51 44 67 73 57 50 76 83 64 57 82 87 Dewpt 29 37 40 38 38 38 37 37 38 39 40 38 41 41 39 37 PWind dir NW NW W NW E SW E NW Wind char GN GN LT LT GN LT LT LT Avg clouds FW SC SC SC SC FW FW CL FW FW SC CL FW FW FW FW PoP 12hr 20 10 5 0 5 5 5 5 Rain shwrs S $$ http://www.weather.gov/greatfalls