Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
703 FOUS55 KTFX 070531 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 1131 PM MDT Sun Sep 6 2026 MTZ312-071000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 1131 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 63 46 64 43 Temp 57 55 53 55 58 61 60 55 53 50 48 52 59 62 60 54 51 47 44 Dewpt 53 53 51 52 49 45 44 42 42 41 41 42 46 47 47 44 42 41 40 RH 86 93 93 90 72 56 55 61 66 71 77 69 62 58 62 69 71 79 86 Wind dir N N W W SW W W SW SW SW SW W W NW W SW SW SW SW Wind spd 9 5 6 8 19 26 23 20 21 19 18 18 17 14 10 6 10 10 10 Wind gust 37 34 31 32 29 27 27 Clouds B2 B2 OV B2 B2 B1 B2 B1 SC SC B2 B2 B2 OV OV B1 FW FW FW PoP 12hr 80 100 40 70 10 QPF 12hr 0.21 0.42 0.01 0.15 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D C L S L L L L Tstms S C C C Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 77 52 79 47 63 40 57 37 60 Temp 70 74 60 54 75 75 58 47 58 59 49 41 51 53 46 38 53 57 Dewpt 43 41 37 32 40 42 42 43 45 43 41 40 44 43 41 38 43 42 PWind dir SW SW SW W N NE NE N NW Wind char BZ BZ WY BZ LT GN GN GN LT Avg clouds FW CL FW FW FW FW SC B1 B1 SC B1 B2 B2 B1 B2 B1 B1 SC PoP 12hr 0 0 0 30 30 40 50 50 30 Rain shwrs C C S C C C C C C C S $$ MTZ303-071000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 1131 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 56 43 60 43 Temp 52 49 48 51 53 53 53 50 48 46 46 50 53 58 58 52 47 43 45 Dewpt 52 49 48 50 50 48 46 46 44 44 43 45 46 45 45 45 42 41 41 RH 100100100 96 89 83 77 86 86 93 89 83 77 62 62 77 83 93 86 Wind dir NW NW NW NW NW W W W W W W W W W W W W W W Wind spd 8 6 9 10 13 21 23 25 24 21 21 20 19 17 13 13 13 14 16 Wind gust 25 35 36 39 36 34 34 33 33 29 24 24 26 Clouds B2 OV B2 OV OV OV OV OV OV B2 OV OV OV OV B2 B1 SC FW FW PoP 12hr 80 100 90 90 5 QPF 12hr 0.13 1.11 0.32 0.32 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D D D D L L C D D D D Tstms S S C S Flood A A A A A A A A A A A A Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 49 70 41 55 36 50 33 55 Temp 66 67 56 51 67 66 49 41 51 53 43 37 46 49 41 35 50 53 Dewpt 45 44 40 33 42 45 43 40 44 42 41 37 42 41 40 35 42 41 PWind dir W SW W NW N N NE N SW Wind char BZ BZ BZ GN GN GN GN GN LT Avg clouds FW FW SC SC SC SC B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 PoP 12hr 0 0 0 50 40 40 50 40 30 Rain shwrs S C C C C C C C C C C C $$ MTZ319-071000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 1131 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 65 43 68 44 Temp 59 56 53 54 57 62 62 55 52 48 45 50 62 65 64 56 52 46 44 Dewpt 53 52 51 50 45 40 38 38 39 39 39 38 39 39 38 40 40 39 40 RH 80 86 93 86 64 44 41 53 61 71 79 63 43 38 38 55 63 76 86 Wind dir W W SW SW W W W W SW S S W W W NW W SW SW SW Wind spd 9 4 1 8 21 21 19 12 11 8 6 9 16 16 12 5 8 5 3 Wind gust 33 34 33 23 23 26 26 24 Clouds B2 B2 OV B2 B1 SC FW FW FW FW FW SC FW B1 B1 SC FW FW CL PoP 12hr 80 100 20 5 0 QPF 12hr 0.06 0.15 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L D L S Tstms S C S S Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 50 82 51 70 44 61 40 62 Temp 69 75 57 50 74 78 60 51 62 64 52 46 52 56 48 41 51 60 Dewpt 42 33 35 35 39 35 40 43 43 40 41 42 43 40 41 40 41 40 PWind dir SW SW SW W NW NW N NW NW Wind char LT GN GN GN LT GN LT GN LT Avg clouds CL CL FW FW FW FW SC SC SC SC B1 B1 B1 B1 B2 B2 B1 SC PoP 12hr 0 0 0 10 20 30 40 50 30 Rain shwrs S S S C C C C C C C Tstms S $$ MTZ326-071000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 1131 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 48 67 39 70 39 Temp 56 52 50 53 60 65 65 55 48 44 41 47 62 68 66 54 47 43 40 Dewpt 49 51 50 50 43 38 37 41 42 41 39 38 37 34 37 42 42 40 37 RH 77 96100 89 53 37 35 59 80 89 92 71 39 28 34 64 83 89 89 Wind dir SW SE SW SW W W W W SW E SE W NW NW NW NW SE SE SE Wind spd 5 3 4 11 16 18 19 10 4 3 2 4 11 16 13 4 4 4 4 Wind gust 27 29 31 21 24 26 25 Clouds B1 SC OV B2 SC SC SC FW FW FW SC FW FW SC SC FW FW CL CL PoP 12hr 50 90 5 0 0 QPF 12hr 0.01 0.12 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L Tstms S S Obvis PF Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 45 82 48 73 40 65 37 63 Temp 66 77 54 46 73 80 57 48 65 69 50 41 57 60 46 38 52 61 Dewpt 36 32 37 31 34 31 39 39 41 39 43 40 43 42 44 38 40 41 PWind dir SW S SW SW SW E NE N W Wind char LT LT GN GN LT GN LT GN LT Avg clouds CL CL CL FW FW FW FW SC SC SC B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 0 0 0 5 10 30 30 40 30 Rain shwrs C C C C C C S Tstms S $$ MTZ330-071000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 1131 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 41 60 30 63 30 Temp 51 45 42 43 50 58 56 47 39 35 31 40 54 61 60 47 39 34 30 Dewpt 38 45 42 41 35 28 26 27 28 29 28 28 30 24 24 28 29 28 26 RH 61100100 93 56 32 31 45 64 78 88 62 40 24 25 47 67 78 85 Wind dir SE S S SW SW SW SW SW SW S N SW SW SW W N N N N Wind spd 11 8 17 27 23 21 19 17 8 1 0 4 11 12 8 0 0 0 0 Wind gust 32 16 23 23 19 Clouds B2 B2 B1 B1 SC SC B1 B1 FW FW FW FW FW SC SC FW FW FW FW PoP 12hr 70 30 5 0 0 QPF 12hr 0.04 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S Tstms S S S Obvis PF Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 70 33 70 37 67 34 65 32 61 Temp 62 67 43 33 62 68 46 37 60 63 44 34 57 60 41 32 53 57 Dewpt 32 26 27 26 31 25 29 31 38 32 34 33 37 31 34 32 36 30 PWind dir SW SW SW SW SW SW SW NW SW Wind char LT LT GN LT GN LT LT GN LT Avg clouds FW CL FW FW FW CL SC SC SC SC SC SC B1 SC B1 B1 B1 SC PoP 12hr 0 0 0 0 10 10 20 20 20 Rain shwrs S S S S Snowshwrs S S Tstms S $$ MTZ328-071000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 1131 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 66 36 70 37 Temp 53 50 47 50 59 64 62 51 44 40 37 43 61 68 66 53 46 40 37 Dewpt 43 47 46 44 37 36 36 38 38 38 36 37 35 33 34 35 36 34 33 RH 69 89 96 80 44 35 38 61 79 92 96 79 38 27 30 50 68 79 85 Wind dir NW SW S SW SW W W SW S S S SW W W NW N SW S S Wind spd 5 6 10 20 20 17 16 6 8 6 5 5 6 10 10 4 3 4 5 Wind gust 32 28 26 18 Clouds B1 OV B1 SC SC FW FW FW FW FW FW FW FW SC SC FW FW FW FW PoP 12hr 90 40 0 0 0 QPF 12hr 0.12 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S D C S Tstms S S Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 42 81 46 74 40 68 36 64 Temp 68 75 51 42 73 78 54 46 67 69 49 40 60 62 45 37 56 61 Dewpt 35 30 33 29 33 34 36 37 39 36 38 37 39 40 41 37 40 38 PWind dir SW SW SW SW SW S W N N Wind char LT GN GN GN GN GN GN GN LT Avg clouds FW CL FW FW FW FW SC SC SC SC SC B1 B1 SC B1 B2 B1 SC PoP 12hr 0 0 0 0 5 10 20 30 20 Rain shwrs S S C C S Tstms S $$ MTZ305-071000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 1131 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 67 46 63 43 Temp 58 57 56 57 62 64 61 54 52 51 49 52 57 60 60 54 50 47 44 Dewpt 58 57 56 56 57 53 52 50 50 50 48 49 51 50 52 50 47 45 42 RH 100100100 96 84 67 72 86 93 96 96 89 80 69 75 86 89 93 93 Wind dir NW N N NW W W W W W W W W W W W W SW SW SW Wind spd 8 5 5 8 11 21 29 28 25 23 20 19 19 19 16 13 11 12 13 Wind gust 33 44 41 36 31 31 26 Clouds OV B2 OV OV OV B2 B2 OV OV B2 OV OV OV OV OV B2 SC FW FW PoP 12hr 90 100 90 100 50 QPF 12hr 0.35 0.58 0.25 0.30 0.13 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C L D D L L L L C D D D D C C Tstms C S C C C S Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 79 44 64 37 59 35 62 Temp 68 73 57 51 73 73 54 45 59 60 46 39 54 56 44 37 56 59 Dewpt 49 47 44 37 45 47 46 42 45 43 43 38 44 43 43 37 44 42 PWind dir SW SW SW NW NW NE NE NE S Wind char BZ GN BZ GN GN GN GN GN GN Avg clouds FW CL FW FW FW FW SC B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 SC PoP 12hr 0 0 0 30 40 30 40 40 30 Rain shwrs C C S C C C C C C C S $$ MTZ314-071000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 1131 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 67 43 64 41 Temp 57 55 53 56 62 65 63 54 51 48 47 52 61 61 58 51 49 45 43 Dewpt 55 54 53 54 50 43 40 40 39 38 37 38 41 43 43 43 42 39 35 RH 93 96100 93 65 45 43 59 63 68 68 59 48 51 57 74 77 79 73 Wind dir W NW NW W W W W W W W W W NW NW NW W W SW S Wind spd 3 3 3 5 13 23 23 18 19 18 18 21 24 23 20 11 6 5 6 Wind gust 34 31 33 32 31 33 34 32 Clouds B1 OV B2 OV B1 SC SC FW FW SC B1 B1 B1 B1 B1 B1 SC SC FW PoP 12hr 90 90 20 30 20 QPF 12hr 0.16 0.23 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S D C D C S C C C C S S Tstms S C C S C Obvis PF PF Svr Tstorm A Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 49 81 46 64 38 58 35 59 Temp 69 73 55 55 77 77 57 47 60 61 47 40 53 55 43 37 52 58 Dewpt 37 35 33 29 33 37 40 38 44 41 41 36 41 41 40 35 38 40 PWind dir W SW W W NW E E NE N Wind char GN GN BZ GN LT LT LT GN LT Avg clouds FW CL FW FW FW FW SC SC SC SC B1 B2 B1 B2 B2 B2 B1 SC PoP 12hr 0 0 0 20 20 30 40 50 40 Rain shwrs S S S S C C C C C C S $$ http://www.weather.gov/greatfalls