Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
953 FOUS55 KTFX 052135 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 335 PM MDT Sat Sep 5 2026 MTZ312-061000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 335 PM MDT Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue 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 50 73 51 64 46 Temp 70 62 57 52 50 55 65 72 68 60 57 55 53 55 59 62 58 53 52 50 47 Dewpt 46 47 50 49 49 51 54 53 53 53 55 53 51 52 53 50 48 45 44 44 41 RH 42 58 77 89 96 86 68 51 59 78 93 93 93 90 80 65 69 74 74 80 79 Wind dir NE N N N N NE NW N NE N NW NW NW NW W W W SW SW SW SW Wind spd 14 11 10 5 4 3 3 5 10 9 9 6 6 6 11 23 25 24 25 24 23 Wind gust 34 36 36 37 35 33 Clouds FW B1 SC B1 B2 B2 B2 SC B2 OV OV OV OV OV OV OV B2 B2 B1 B1 B1 PoP 12hr 30 10 90 100 60 QPF 12hr 0 0 0.23 0.83 0.30 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D C D D D D L L C C C Tstms C S S S S C S Obvis PF PF PF PF PF Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 68 44 77 49 80 49 71 45 68 Temp 61 63 51 46 69 73 56 51 73 74 59 50 66 65 53 46 61 62 Dewpt 45 45 44 42 44 42 40 40 42 43 43 43 47 47 46 46 47 46 PWind dir W SW SW SW SW SW NW N NW Wind char BZ LT GN GN BZ GN GN GN LT Avg clouds B1 SC FW FW FW FW FW FW FW FW FW SC SC SC B1 B1 B2 B1 PoP 12hr 40 5 0 0 0 10 20 30 20 Rain shwrs C S S C C S S $$ MTZ303-061000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 335 PM MDT Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 63 46 58 44 Temp 61 55 52 49 47 52 56 60 58 55 53 50 49 52 55 56 53 50 49 47 45 Dewpt 47 49 50 49 47 51 53 54 52 53 52 50 49 51 53 52 49 47 45 44 42 RH 60 80 93100100 96 90 81 80 93 96100100 96 93 86 86 89 86 89 89 Wind dir NE N NE N N NE E E N N NW NW NW NW NW NW NW W W W W Wind spd 9 11 10 8 5 4 5 5 6 8 8 8 10 11 14 18 20 26 27 25 24 Wind gust 25 31 34 39 40 39 37 Clouds SC OV OV OV OV OV B2 OV B2 OV OV B2 OV OV OV OV OV OV OV B2 B2 PoP 12hr 90 80 80 90 90 QPF 12hr 0.24 0.12 0.22 0.77 0.59 Snow 12hr 00-00 00-00 00-00 Rain shwrs D D C D C C S C L D D D D D D L L C Tstms S S S S S S S C S Obvis PF PF PF PF PF PF PF Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 42 72 46 73 45 64 40 62 Temp 58 58 49 44 65 66 53 48 68 67 54 46 59 59 49 42 56 57 Dewpt 46 45 43 41 44 42 40 39 43 42 42 43 45 44 44 42 45 43 PWind dir W W W SW W W N N NW Wind char BZ GN GN GN BZ GN GN GN LT Avg clouds B2 B1 SC SC FW FW FW FW FW FW SC SC B1 B1 B1 B2 B2 B1 PoP 12hr 50 5 0 0 0 20 30 30 30 Rain shwrs C C S C C C C C S $$ MTZ319-061000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 335 PM MDT Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue 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 49 77 52 66 46 Temp 72 62 56 51 49 53 63 73 72 61 58 55 53 54 59 64 60 54 52 48 46 Dewpt 45 47 49 50 49 50 51 49 48 50 52 53 52 53 50 47 42 40 41 41 41 RH 38 58 77 96100 89 65 43 42 67 80 93 96 96 72 54 51 59 66 77 83 Wind dir N NW W W W NW NW N NW NW NW NW W W W W W W SW SW SW Wind spd 11 12 10 8 5 3 1 5 12 13 9 4 1 3 9 19 19 14 13 11 10 Wind gust 24 31 32 28 28 Clouds SC FW SC B1 B1 B2 SC FW B1 B1 B2 OV OV OV B2 B2 B1 B1 SC SC FW PoP 12hr 20 10 70 90 30 QPF 12hr 0 0 0.05 0.36 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C D D L L C C S S Tstms S S S S C C Obvis PF PF PF PF F F Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 71 43 79 48 81 49 75 47 71 Temp 61 65 51 44 67 74 55 48 72 76 58 49 66 69 55 47 62 65 Dewpt 40 38 40 41 43 38 39 39 42 39 42 43 45 44 45 45 46 43 PWind dir W W SW SW SW SW W NW NW Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW SC SC B1 B1 B1 B2 B1 PoP 12hr 10 0 0 0 0 5 30 30 30 Rain shwrs S C C C C C Tstms S $$ MTZ326-061000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 335 PM MDT Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 82 49 70 41 Temp 78 63 55 48 46 52 67 79 81 64 57 52 50 54 63 68 64 54 48 44 41 Dewpt 44 47 47 46 46 47 48 43 43 47 49 51 50 51 48 41 40 44 44 42 41 RH 30 56 74 93100 83 50 28 26 54 75 96100 90 58 37 41 69 86 93100 Wind dir S SE SW SW S SW NW NW S SE S S S SW SW W W W W SW S Wind spd 4 8 5 3 2 3 3 3 4 6 5 4 3 5 14 21 21 12 9 6 5 Wind gust 27 35 34 25 Clouds FW FW FW FW FW FW CL FW B2 B2 OV B2 B2 B2 B1 B1 SC SC SC FW FW PoP 12hr 0 0 60 70 20 QPF 12hr 0 0 0.01 0.02 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L C C S S Tstms S S Obvis F F PF F PF Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 41 79 46 81 48 77 45 73 Temp 60 69 46 42 68 76 53 48 72 78 57 49 70 72 53 46 65 68 Dewpt 39 35 42 40 40 34 40 39 40 37 43 43 44 43 47 46 47 44 PWind dir W SE SW S SW S SW SW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC FW FW SC FW FW SC SC SC SC B1 B1 B1 B1 PoP 12hr 5 0 0 0 5 5 20 40 30 Rain shwrs S S C C C C Tstms S S $$ MTZ330-061000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 335 PM MDT Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue 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 38 75 40 59 30 Temp 70 56 47 42 39 50 67 73 70 58 50 46 43 44 51 57 54 47 41 35 31 Dewpt 35 37 37 35 32 34 35 28 33 37 41 46 43 44 43 32 30 32 34 33 31 RH 27 49 68 76 76 54 30 19 25 45 71100100100 74 38 40 56 76 92100 Wind dir SW N SE NE E N SW SW S S SE S S S SW SW SW SW SW SW S Wind spd 8 0 1 1 1 0 14 14 6 5 5 8 18 27 28 27 25 21 16 10 3 Wind gust 18 25 19 17 18 34 26 Clouds FW FW FW FW FW FW CL SC B2 OV OV OV OV B2 SC SC SC SC FW SC FW PoP 12hr 0 0 80 60 5 QPF 12hr 0 0 0.12 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L L L Tstms S S Obvis PF Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 63 31 71 36 70 38 69 37 66 Temp 52 59 41 33 62 67 46 38 62 66 48 39 61 64 47 38 59 61 Dewpt 35 26 31 30 34 30 34 33 41 38 40 38 44 40 42 38 45 41 PWind dir SW SW SW SW SW SW SW W SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW SC SC SC SC SC SC FW SC SC SC SC B1 B1 B2 B1 PoP 12hr 0 0 0 0 10 20 20 30 40 Rain shwrs S S S C C C C Tstms S S $$ MTZ328-061000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 335 PM MDT Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 43 80 46 66 37 Temp 73 60 52 47 43 50 66 77 76 61 54 50 47 49 60 65 61 51 45 40 37 Dewpt 43 42 43 42 42 45 44 37 38 38 44 47 47 48 42 39 38 39 40 38 37 RH 34 51 71 83 96 83 45 24 25 42 69 89100 96 51 38 42 63 82 92100 Wind dir S S NE SE SE N N S S S S SW SW SW SW W W SW SW SW S Wind spd 13 9 4 5 5 3 2 10 16 9 8 6 10 14 24 20 18 9 10 9 8 Wind gust 21 29 36 34 29 Clouds FW FW SC SC B1 SC CL CL B1 B1 B1 B2 B2 B2 SC SC SC SC FW FW FW PoP 12hr 5 5 70 70 5 QPF 12hr 0 0 0.09 0.11 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L L S S Tstms S S S S S Obvis PF PF Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 40 79 45 80 47 77 44 73 Temp 58 67 48 40 68 74 53 46 70 75 55 47 70 71 52 45 66 67 Dewpt 37 35 37 36 38 35 37 36 39 40 41 41 43 43 43 43 45 44 PWind dir SW S SW SW SW SW SW SW NW Wind char LT LT LT GN GN GN LT GN LT Avg clouds FW CL FW SC SC FW SC SC SC FW SC SC SC SC B1 B1 B1 SC PoP 12hr 0 0 0 0 0 5 20 30 20 Rain shwrs S S C S S S Tstms S $$ MTZ305-061000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 335 PM MDT Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue 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 51 77 51 69 46 Temp 74 64 59 53 52 58 68 73 71 62 59 57 55 57 64 67 62 54 52 49 47 Dewpt 48 49 53 52 52 56 59 58 60 58 59 57 55 57 57 57 56 51 51 49 47 RH 40 58 80 96100 93 73 59 68 87100100100100 78 70 81 90 96100100 Wind dir NE NE NE NE NE NE NE E NE NE N N N N W W W W W W W Wind spd 11 10 8 8 6 8 8 8 9 8 6 6 6 6 9 14 23 25 25 24 21 Wind gust 35 37 36 34 32 Clouds CL SC B1 B1 B2 B2 B1 B1 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 PoP 12hr 10 50 90 100 90 QPF 12hr 0 0.06 0.41 0.62 0.52 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C S S D L D D D D D D D D L Tstms S S S S C S S S S C C S Obvis PF PF PF PF PF PF PF Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 68 45 77 48 80 48 72 43 69 Temp 60 62 51 46 69 71 55 50 73 74 57 49 67 66 52 45 63 64 Dewpt 51 51 49 46 48 46 45 43 46 46 46 45 47 47 47 45 47 46 PWind dir W W SW SW SW W NW N NW Wind char BZ GN GN GN GN GN LT LT GN Avg clouds B2 B2 B1 SC FW CL FW FW FW FW FW SC SC SC B1 B1 B2 B1 PoP 12hr 70 10 0 0 0 10 30 30 20 Rain shwrs L C C C C S S Tstms S $$ MTZ314-061000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 335 PM MDT Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 79 50 70 45 Temp 75 62 57 52 50 57 68 76 74 62 57 55 53 55 64 68 64 54 50 47 46 Dewpt 45 45 48 48 49 52 55 56 56 56 56 55 53 54 54 52 46 44 43 41 39 RH 34 54 72 86 96 83 63 50 53 81 96100100 96 70 57 52 69 77 79 76 Wind dir E E SE SE SE E N E E N NW NW NW W W W W W W W W Wind spd 9 6 4 3 3 2 3 6 8 5 3 4 4 4 6 16 20 19 20 21 20 Wind gust 27 31 31 33 36 36 Clouds FW FW SC SC SC SC SC FW B2 OV OV OV OV B2 OV OV B1 B1 B1 B1 SC PoP 12hr 5 20 90 90 50 QPF 12hr 0 0 0.49 0.23 0.09 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C L D L L D D C C C C S Tstms C C S C C Obvis F F PF PF PF Date 09/08/26 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 43 76 49 80 49 73 44 69 Temp 58 64 48 46 69 74 54 52 74 75 57 51 68 68 52 46 62 64 Dewpt 42 43 44 41 42 39 40 37 39 40 41 41 44 45 45 44 45 45 PWind dir W SW SW SW SW W W NW W Wind char WY GN LT LT GN LT LT LT LT Avg clouds SC SC FW FW SC FW FW FW SC FW FW SC SC B1 B1 B1 B2 B1 PoP 12hr 20 5 0 0 0 5 30 40 30 Rain shwrs S C C C C S $$ http://www.weather.gov/greatfalls