Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
219 FOUS55 KTFX 062135 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 335 PM MDT Sun Sep 6 2026 MTZ312-071000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 335 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 64 47 66 44 Temp 66 58 56 54 53 54 58 61 59 54 53 50 48 53 60 65 62 55 51 47 44 Dewpt 52 52 54 53 52 52 51 46 45 43 42 41 41 43 45 45 45 45 43 41 40 RH 61 80 93 96 96 93 77 58 60 66 66 71 77 69 58 48 54 69 74 79 86 Wind dir N NW N NW NW W W SW W SW SW SW SW SW W W W SW SW SW SW Wind spd 10 9 8 6 5 6 18 27 23 23 26 23 20 20 18 14 10 4 8 9 9 Wind gust 39 35 35 33 25 Clouds B1 OV B2 OV B2 OV B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC FW FW PoP 12hr 90 100 40 50 5 QPF 12hr 0.34 0.42 0.02 0.14 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C D L D C C C C C S C C C C Tstms C C C 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 77 51 79 49 64 42 60 40 64 Temp 69 72 58 54 73 74 58 49 59 59 49 43 53 56 47 42 58 61 Dewpt 43 41 38 37 40 42 41 43 44 44 44 43 43 42 42 41 43 42 PWind dir SW SW SW W N NE N NW W Wind char GN BZ WY GN LT GN GN LT LT Avg clouds FW CL FW FW FW FW SC B1 B1 B1 B1 B2 B2 B1 B1 B1 SC SC PoP 12hr 0 0 0 20 20 50 40 30 30 Rain shwrs S S S C C C C C C C S $$ MTZ303-071000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 335 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 56 44 60 43 Temp 59 54 51 48 48 51 53 54 53 50 48 45 45 50 55 59 57 52 48 44 43 Dewpt 53 53 51 48 48 51 52 50 48 47 45 44 44 46 48 47 46 45 44 42 41 RH 80 96100100100100 96 86 83 89 89 96 96 86 77 64 67 77 86 93 93 Wind dir N NW N NW NW N W W W W W W W W W W W W W W W Wind spd 8 8 8 8 9 10 16 21 25 28 27 26 25 23 20 18 14 12 12 11 12 Wind gust 26 36 39 41 40 37 37 36 32 32 25 23 21 Clouds OV OV B2 B2 B2 OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 SC SC FW PoP 12hr 90 100 100 80 5 QPF 12hr 0.34 1.21 0.44 0.18 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D C C L D D D D D D D D D L L Tstms S S S S S S Flood A A A A A A A A A A A A A A Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 48 71 43 57 37 55 36 60 Temp 65 66 54 50 67 66 50 43 53 55 44 38 49 52 43 38 55 57 Dewpt 45 43 40 37 42 43 43 42 44 43 42 38 42 41 40 38 42 42 PWind dir W SW W NW N N NE NW W Wind char BZ GN BZ GN GN GN GN LT LT Avg clouds FW FW FW SC SC SC SC B1 B2 B2 B2 OV B2 B1 SC SC SC SC PoP 12hr 0 0 0 40 40 50 40 20 20 Rain shwrs C C C C C C C S S S S $$ MTZ319-071000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 335 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 66 44 70 44 Temp 71 61 58 55 53 53 58 62 62 55 52 47 44 51 64 68 65 56 51 46 44 Dewpt 50 51 53 52 52 50 46 42 40 39 39 38 39 39 41 39 38 39 40 39 40 RH 47 70 83 90 96 89 64 48 44 55 61 71 82 63 43 34 37 53 66 76 86 Wind dir N W W NW N W SW W W W SW SW SW SW W W NW W SW SW SW Wind spd 11 12 8 5 0 5 20 21 18 13 16 9 9 6 14 16 13 5 6 4 3 Wind gust 32 35 34 28 24 Clouds B1 SC B1 B2 OV B2 B1 SC FW FW SC SC FW FW FW SC SC SC FW FW FW PoP 12hr 80 100 20 5 0 QPF 12hr 0.14 0.23 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C D D C S Tstms C S 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 49 82 49 70 45 63 42 67 Temp 66 74 56 49 74 77 59 49 64 65 52 45 54 59 49 42 58 63 Dewpt 41 37 36 36 38 37 40 42 42 41 42 43 42 39 40 41 41 38 PWind dir W SW SW W NW NW NW NW NW Wind char LT GN GN GN LT GN LT LT LT Avg clouds CL CL CL FW FW CL FW SC B1 SC B1 B1 B2 B1 B1 SC B1 SC PoP 12hr 0 0 0 20 20 40 40 30 30 Rain shwrs S S S C C C C C S C S Tstms S S S $$ MTZ326-071000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 335 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 48 69 40 71 40 Temp 79 64 56 52 50 53 61 66 65 56 49 44 40 48 63 70 68 55 48 44 41 Dewpt 42 48 49 51 50 51 43 38 37 43 43 41 39 39 39 35 37 42 42 41 38 RH 27 56 77 96100 93 51 36 35 62 80 89 96 71 41 27 32 61 80 89 89 Wind dir S S SW S SW W W W W W SW S SE SW W W NW NW SE SE SE Wind spd 5 6 5 3 3 8 18 20 19 9 12 4 3 4 9 14 12 4 3 4 3 Wind gust 29 33 34 24 25 23 Clouds SC SC B1 B1 B2 B2 FW B1 SC FW FW FW SC FW FW FW FW FW FW FW CL PoP 12hr 30 80 5 0 0 QPF 12hr 0 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L L Tstms S S Obvis PF Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 45 82 48 73 42 65 38 66 Temp 65 76 54 47 73 80 57 48 66 69 51 43 58 62 47 41 58 63 Dewpt 37 32 38 33 34 31 41 40 40 40 45 43 43 41 44 41 42 39 PWind dir SW S SW SW W NE N E W Wind char LT LT LT GN LT GN LT LT LT Avg clouds FW CL CL FW FW CL FW SC SC SC B1 B1 B1 B1 B1 B1 SC FW PoP 12hr 0 0 0 10 10 30 40 30 30 Rain shwrs C C C C C C C S Tstms S S $$ MTZ330-071000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 335 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 64 31 Temp 71 57 50 45 43 43 51 58 56 47 39 34 30 39 56 63 60 47 39 34 31 Dewpt 30 33 39 45 43 42 38 30 27 28 29 29 28 30 34 27 25 28 29 28 28 RH 22 40 66100100 96 61 34 32 47 67 82 92 70 43 25 26 47 67 78 88 Wind dir SW SE SE SE S SW SW SW SW SW S S S SW SW SW W N N N N Wind spd 12 4 9 8 17 27 26 24 21 18 12 3 2 4 10 12 10 0 0 0 0 Wind gust 24 32 32 23 Clouds FW B1 OV B2 OV B2 SC SC SC SC FW FW SC FW FW FW FW FW FW FW FW PoP 12hr 90 40 5 0 0 QPF 12hr 0.08 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S Tstms S C 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 69 33 71 37 69 35 63 32 62 Temp 61 66 43 33 63 67 46 37 61 65 45 35 56 59 41 33 55 58 Dewpt 32 24 27 27 33 29 33 34 40 34 37 35 40 33 36 33 37 32 PWind dir SW SW SW SW SW SW SW W SW Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC FW B1 B1 B1 SC SC SC SC SC PoP 12hr 0 0 0 5 5 30 30 20 20 Rain shwrs C C C S S S S Tstms S $$ MTZ328-071000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 335 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 66 36 71 39 Temp 75 60 52 49 47 50 60 64 63 51 45 40 36 44 63 70 67 54 46 41 39 Dewpt 39 40 43 46 47 46 39 35 38 38 39 38 36 39 37 34 35 37 36 35 35 RH 27 47 71 89100 86 46 34 39 61 79 92100 82 38 26 30 52 68 79 85 Wind dir S S NE W S SW SW W W SW SW S S SW W W NW NE S S S Wind spd 18 8 5 6 10 19 24 20 13 8 12 8 8 6 6 10 10 4 4 3 4 Wind gust 31 35 32 26 Clouds FW SC B1 OV B2 FW FW FW SC FW FW FW SC FW FW FW FW FW FW FW FW PoP 12hr 90 50 5 0 0 QPF 12hr 0.15 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C Tstms S S Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 43 80 46 75 41 67 37 67 Temp 65 74 52 44 73 77 55 46 69 70 50 42 59 62 45 39 59 63 Dewpt 34 30 33 31 33 35 37 37 38 38 40 40 40 40 40 38 39 38 PWind dir SW SW SW SW SW N N NW SW Wind char LT GN GN GN GN GN GN GN LT Avg clouds FW CL CL FW FW FW FW SC SC FW SC B1 B1 B1 B1 B1 SC SC PoP 12hr 0 0 0 0 5 30 30 30 20 Rain shwrs C C C C S S S $$ MTZ305-071000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 335 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 68 45 64 43 Temp 70 62 59 57 56 57 62 64 61 54 52 50 47 52 58 62 60 54 51 47 44 Dewpt 61 59 59 57 56 57 57 54 53 50 50 49 46 49 52 51 52 50 49 46 43 RH 73 90100100100100 84 70 75 86 93 96 96 89 80 67 75 86 93 96 96 Wind dir NE NE N E N N SW W W W W W W W W W W W SW SW SW Wind spd 8 8 6 5 4 6 11 20 29 28 29 24 21 20 20 20 18 11 10 10 12 Wind gust 32 46 41 34 32 31 32 Clouds B1 B2 B2 B2 OV OV OV B2 OV OV OV OV OV OV OV OV B2 B1 SC FW SC PoP 12hr 90 100 90 90 30 QPF 12hr 0.32 0.47 0.38 0.34 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C D C D L D L C L C L D D D D C C Tstms C S C C 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 76 48 79 45 67 38 62 37 66 Temp 68 71 56 51 73 73 54 47 61 62 47 41 56 59 45 41 60 63 Dewpt 49 47 45 41 44 46 46 45 45 44 45 41 44 43 43 41 44 44 PWind dir SW SW SW NW NW N NE E W Wind char GN GN BZ GN LT LT GN LT LT Avg clouds FW FW FW FW FW FW SC B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC PoP 12hr 0 0 0 20 30 40 40 30 20 Rain shwrs S C C C C C S C S S $$ MTZ314-071000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 335 PM MDT Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 68 44 64 43 Temp 72 60 57 55 53 56 63 66 63 54 51 47 45 52 61 63 61 53 49 46 44 Dewpt 57 56 56 55 53 55 52 45 42 41 40 38 36 38 43 43 44 45 43 41 37 RH 59 87 96100100 96 67 47 46 61 66 71 70 59 51 48 53 74 80 83 76 Wind dir E E W W W NW W W W W W W W W W NW W W W SW SW Wind spd 8 5 3 3 3 4 13 23 23 20 23 21 20 21 24 24 20 10 5 5 5 Wind gust 24 35 35 35 35 33 34 32 Clouds SC B1 B2 OV B2 B2 B2 B1 SC FW SC SC B1 FW B1 B1 SC B1 SC SC FW PoP 12hr 90 90 20 30 10 QPF 12hr 0.34 0.16 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L D L L L C C C Tstms C C C S S S C S Obvis PF PF Date 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 49 80 48 66 39 59 37 63 Temp 69 73 55 53 76 76 56 49 62 62 47 42 55 57 45 42 58 61 Dewpt 39 37 36 33 34 37 40 41 42 42 44 42 43 41 41 39 40 40 PWind dir W SW W W NW NE NE SE W Wind char LT GN BZ GN LT LT LT LT LT Avg clouds FW CL CL FW FW FW FW SC B1 B1 B1 B1 OV B1 B1 B1 B1 SC PoP 12hr 0 0 0 20 30 40 40 30 30 Rain shwrs S C C C C C C C C C S Tstms S S $$ http://www.weather.gov/greatfalls