Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
474 FOUS55 KTFX 161831 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 1231 PM MDT Sun Aug 16 2026 MTZ312-162200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 1231 PM MDT Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 83 52 83 54 84 Temp 80 79 67 61 55 53 60 72 79 82 70 63 58 55 63 76 80 82 Dewpt 46 47 50 51 49 48 51 50 44 47 51 50 48 47 51 47 41 46 RH 30 32 54 70 80 83 72 46 29 29 51 62 69 74 65 36 25 28 Wind dir SW NW NE SW SW SW W W NW N E E S SW SW SW W SW Wind spd 9 9 5 4 4 4 4 6 6 8 6 5 4 4 3 3 5 5 Clouds SC B1 B1 FW SC SC B1 B2 B1 SC B2 B2 B1 B1 SC SC SC SC PoP 12hr 20 20 20 10 20 QPF 12hr 0.06 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S Tstms S S S S Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 53 85 53 85 55 87 58 88 Temp 63 55 79 84 64 54 77 82 65 56 78 85 68 59 80 83 Dewpt 49 47 43 37 42 41 43 39 44 45 48 47 50 50 51 49 PWind dir SW SW S W NE NW E SW Wind char LT GN LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW FW FW SC SC SC SC SC B1 PoP 12hr 10 0 5 0 5 10 20 30 Rain shwrs S S C $$ MTZ303-162200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 1231 PM MDT Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 48 77 48 79 Temp 76 75 64 56 51 48 57 69 75 77 65 58 53 49 57 72 77 78 Dewpt 48 48 51 49 48 46 51 50 46 47 49 49 47 45 48 47 43 44 RH 37 38 63 77 89 93 80 51 36 35 56 72 80 86 72 41 30 30 Wind dir NW NW NW W NW NW NW W N W E SE N NW SW SW W W Wind spd 11 12 5 4 4 4 3 8 6 10 4 4 3 3 2 5 6 8 Wind gust 17 Clouds B2 B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC B1 SC SC SC SC PoP 12hr 30 20 20 20 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S Tstms S S S Obvis K K K K Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 79 49 78 50 81 53 79 Temp 58 52 76 79 59 51 71 76 58 51 73 79 62 54 72 76 Dewpt 46 42 44 40 43 42 46 43 46 46 49 46 47 48 51 49 PWind dir W W W NW N SE SE S Wind char GN GN LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW SC FW FW SC SC SC SC SC B1 B1 PoP 12hr 10 0 0 0 5 5 20 30 Rain shwrs S S C C $$ MTZ319-162200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 1231 PM MDT Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 82 51 84 55 83 Temp 79 78 67 60 54 51 58 72 80 83 71 65 59 56 60 74 79 81 Dewpt 48 46 48 49 47 46 49 50 47 46 48 49 48 47 50 51 47 47 RH 34 32 50 67 77 83 72 46 31 27 44 56 67 72 69 44 32 30 Wind dir N N S SW S SW NE E N NW SW SW SW S N SW W NW Wind spd 6 8 5 4 3 2 1 3 6 10 5 3 2 2 0 4 6 8 Clouds SC B1 SC SC SC SC B1 B1 SC B2 OV OV B2 B1 SC SC SC SC PoP 12hr 20 20 20 20 20 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S Tstms S S S S S Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 52 83 52 88 55 88 56 86 Temp 62 52 74 83 62 52 77 85 66 55 77 85 67 56 77 80 Dewpt 49 46 48 39 42 42 46 41 45 45 49 47 52 50 54 51 PWind dir SW W W W W E SW S Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW FW FW FW FW SC SC SC SC B1 B1 SC B1 PoP 12hr 10 0 0 5 5 10 30 30 Rain shwrs C C Tstms S $$ MTZ326-162200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 1231 PM MDT Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 48 81 50 81 Temp 77 77 63 57 52 49 57 72 79 78 66 61 55 51 59 73 80 76 Dewpt 47 46 51 51 49 47 48 48 43 46 52 51 50 48 51 49 47 48 RH 35 33 65 80 89 93 72 42 28 32 61 70 83 89 75 43 31 37 Wind dir N NW NW S S S W N NW NW S S SE S S W W NW Wind spd 4 9 6 5 4 3 1 3 5 9 5 4 4 4 3 2 4 5 Clouds FW SC B2 SC SC SC B1 B1 B1 OV OV OV B2 B2 B1 SC SC B1 PoP 12hr 20 50 10 30 20 QPF 12hr 0 0.05 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S C Tstms S S S Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 81 50 86 52 88 54 86 Temp 59 50 72 80 60 51 77 84 64 53 80 85 65 55 79 81 Dewpt 53 48 50 42 46 44 46 42 47 46 48 47 52 51 52 51 PWind dir S W SE SW E SW E S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW FW SC SC FW SC SC SC SC SC B1 B1 B1 PoP 12hr 30 0 0 0 5 10 20 30 Rain shwrs C S C Tstms S S $$ MTZ330-162200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 1231 PM MDT Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 75 35 77 39 76 Temp 74 68 57 48 41 36 50 71 77 71 60 53 45 40 51 69 76 69 Dewpt 42 42 47 45 41 36 43 44 39 41 47 47 44 40 47 50 44 47 RH 32 39 69 89100100 77 38 25 34 62 80 96100 86 51 32 45 Wind dir SW W S E NE SE SE SW SW N E NW SE E N SW SW W Wind spd 10 9 2 2 1 1 1 6 13 6 3 2 1 2 0 3 9 5 Clouds B1 B2 B1 SC SC SC B1 SC B1 B2 OV OV OV B2 B2 B1 B1 B1 PoP 12hr 30 30 30 40 40 QPF 12hr 0.08 0.02 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S S C C C C C C C Tstms S S S S S C C Obvis PF PF Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 35 75 38 81 42 83 44 78 Temp 50 39 68 72 51 39 74 78 55 43 77 79 57 45 73 72 Dewpt 47 39 43 34 40 37 42 38 43 39 46 43 47 44 50 48 PWind dir W W W SW W SW W SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC FW SC SC SC FW SC SC B1 SC B1 B1 B1 SC PoP 12hr 30 0 0 5 5 10 20 20 Rain shwrs C S S S Tstms C S $$ MTZ328-162200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 1231 PM MDT Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 47 80 50 79 Temp 77 74 60 55 51 48 55 69 78 77 63 59 54 51 57 71 79 75 Dewpt 48 53 54 51 48 46 50 47 42 49 53 51 48 47 53 51 46 52 RH 36 48 81 86 89 93 83 45 28 37 70 75 80 86 86 49 31 45 Wind dir W SE E S S S S SW NW W SE S S SE SW W W NW Wind spd 6 12 5 4 5 5 3 3 10 11 5 5 4 5 3 2 5 6 Clouds SC B1 SC SC SC B1 B1 B1 SC B2 OV OV B2 B1 SC B1 B1 B1 PoP 12hr 40 30 20 30 30 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S C S S S S S C C S Tstms S C S S S S C S Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 80 48 84 52 85 52 83 Temp 57 49 70 79 59 50 74 81 62 54 76 82 62 54 75 78 Dewpt 52 46 51 46 44 42 48 50 47 45 51 55 52 50 53 55 PWind dir S SW S SW SE SW SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC FW FW FW SC SC FW FW SC SC SC B1 B1 B1 B1 PoP 12hr 20 0 0 5 10 20 30 30 Rain shwrs S S C C Tstms S S $$ MTZ305-162200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 1231 PM MDT Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 84 52 83 51 85 Temp 82 80 69 62 57 53 62 75 80 80 69 62 56 52 62 78 84 82 Dewpt 52 49 51 52 52 50 52 50 47 49 52 52 50 48 50 52 48 47 RH 35 34 53 70 83 89 70 41 31 34 55 70 80 86 65 40 29 29 Wind dir W W W SW SW W S NW W N E SE SE E N SE SW W Wind spd 10 12 5 4 3 3 4 5 8 9 4 3 2 2 0 3 3 4 Clouds B1 B2 B1 B1 SC SC SC SC B1 B2 B1 B1 SC SC SC SC SC SC PoP 12hr 20 20 20 20 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S S S Tstms S S S S S Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 53 86 53 87 54 89 57 88 Temp 64 56 80 85 64 55 80 84 64 55 81 87 67 59 80 85 Dewpt 52 49 50 42 45 45 47 43 47 46 48 46 49 49 51 50 PWind dir SW SW SW W NE E E SE Wind char LT GN LT LT LT LT GN GN Avg clouds SC SC FW FW FW FW FW FW SC FW SC FW SC SC SC SC PoP 12hr 20 0 0 0 0 5 10 10 Rain shwrs S Tstms S $$ MTZ314-162200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 1231 PM MDT Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 50 79 52 79 Temp 78 77 65 58 54 51 62 74 77 77 66 60 57 54 63 75 78 75 Dewpt 50 49 51 49 47 45 51 48 47 50 55 52 50 48 52 48 48 51 RH 37 37 60 72 77 80 67 40 35 39 68 75 77 80 67 38 35 43 Wind dir NW NW W S S S SW NW NW NW E SE SE SE S W W NW Wind spd 8 8 4 5 4 3 2 4 8 6 4 4 3 4 1 2 4 3 Clouds SC SC B1 SC SC SC B1 B1 B2 B1 B1 OV B2 B1 SC B1 B1 B1 PoP 12hr 20 20 20 10 40 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C S Tstms S S S S S S Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 80 51 83 53 86 56 86 Temp 60 56 76 80 60 55 78 81 62 54 80 83 65 57 80 80 Dewpt 51 47 46 43 44 41 43 43 45 44 47 49 49 48 52 54 PWind dir SW W S W E SE SE S Wind char LT LT LT LT LT LT GN LT Avg clouds SC SC FW FW FW FW SC FW FW SC SC SC SC SC B1 B1 PoP 12hr 20 0 5 0 5 5 20 20 Rain shwrs S S S S Tstms S $$ http://www.weather.gov/greatfalls