Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
004 FOUS55 KTFX 111019 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 418 AM MDT Thu Sep 11 2025 MTZ312-112200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 418 AM MDT Thu Sep 11 2025 Date Thu 09/11/25 Fri 09/12/25 Sat 09/13/25 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 77 52 76 51 78 Temp 53 57 68 73 72 62 57 54 53 56 66 72 74 62 57 53 52 57 71 76 77 Dewpt 48 50 51 50 49 50 51 50 50 51 49 46 48 50 50 48 47 50 50 49 50 RH 83 77 54 44 44 65 80 86 89 83 54 39 40 65 77 83 83 77 47 39 39 Wind dir SW W N NE SE SW W SW SW SW W W SW SW SW SW SW SW W W NW Wind spd 4 3 4 6 9 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 Clouds FW SC B2 B2 B1 B2 B1 B1 B2 B2 B1 B1 B1 B2 B1 B1 B1 SC B1 B1 SC PoP 12hr 40 50 50 30 30 QPF 12hr 0.04 0.02 0.09 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C C C C C C C S S S S C C Tstms S S C S S S S C Date Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 51 79 50 77 50 71 47 74 Temp 59 52 71 78 59 51 71 73 56 51 65 70 55 48 67 73 Dewpt 48 44 47 44 45 43 47 44 47 45 48 46 49 45 48 45 PWind dir SW SW S W W NW E SW Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC B1 SC SC B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 10 10 20 30 30 30 20 20 Rain shwrs S S S C C C C C S S $$ MTZ303-112200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 418 AM MDT Thu Sep 11 2025 Date Thu 09/11/25 Fri 09/12/25 Sat 09/13/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 48 74 48 77 Temp 50 55 69 74 74 60 55 52 50 55 69 73 71 60 55 51 48 55 71 75 75 Dewpt 46 46 46 46 47 48 48 48 46 48 48 48 47 48 48 47 45 47 48 48 48 RH 86 72 44 37 38 64 77 86 86 77 47 41 42 64 77 86 89 74 44 38 38 Wind dir N NW N NE NE NE W NW NW NW W W SW W W W W W NW NW SW Wind spd 8 6 8 8 9 5 5 5 5 5 6 8 6 5 5 5 5 5 6 6 6 Clouds B1 SC B1 B1 B1 B1 SC B1 B2 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC PoP 12hr 40 30 40 30 20 QPF 12hr 0 0.02 0.06 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S C C C C C C S S S S Tstms S S S Date Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 77 48 73 47 69 44 72 Temp 56 49 71 75 55 48 68 68 54 48 64 68 52 44 65 71 Dewpt 46 44 47 44 44 42 48 45 45 43 48 46 45 43 46 43 PWind dir SW W W NW W NW NW SW Wind char LT LT GN GN GN GN LT LT Avg clouds SC SC FW FW SC SC B1 B1 B1 B1 B1 B1 B1 SC SC FW PoP 12hr 10 10 10 30 30 30 20 10 Rain shwrs S C C C S C S $$ MTZ319-112200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 418 AM MDT Thu Sep 11 2025 Date Thu 09/11/25 Fri 09/12/25 Sat 09/13/25 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 77 51 74 51 76 Temp 54 57 65 74 72 64 60 56 52 54 64 71 72 64 60 55 51 54 65 73 75 Dewpt 47 49 50 48 46 47 49 48 47 48 49 48 48 46 47 47 46 48 49 48 48 RH 77 75 58 40 39 54 67 74 83 80 58 44 42 52 62 74 83 80 56 41 38 Wind dir W NW N N NW W S SW SW SW N W NW W SW SW SW SW W W NW Wind spd 2 2 4 5 5 5 3 2 2 1 2 4 5 5 4 3 2 2 3 5 5 Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 SC SC SC B1 B1 SC PoP 12hr 60 50 60 30 40 QPF 12hr 0.01 0.03 0.02 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C S C C C C L L C C S S S S C C Tstms S C C S C C S S Date Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 78 50 76 49 71 49 74 Temp 61 51 66 76 61 51 67 71 58 49 61 70 58 49 63 73 Dewpt 46 44 47 44 43 43 48 45 45 44 48 45 44 43 47 45 PWind dir SW S SW W W NW W S Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 5 10 30 50 30 30 20 20 Rain shwrs C C C C C C C C S S $$ MTZ326-112200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 418 AM MDT Thu Sep 11 2025 Date Thu 09/11/25 Fri 09/12/25 Sat 09/13/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 44 75 45 74 Temp 51 55 69 75 71 61 53 50 46 50 66 74 71 60 54 50 46 52 66 73 72 Dewpt 41 45 46 44 40 45 45 45 42 44 45 42 42 45 46 44 43 45 48 45 43 RH 68 69 44 33 32 56 74 83 86 80 47 32 35 58 74 80 89 77 52 37 35 Wind dir SE W W W E NE S S S SW W W W SW SE SE SE SW W NW NW Wind spd 5 3 3 5 6 5 5 4 3 2 3 5 5 4 4 3 2 2 3 4 4 Clouds B2 B2 B1 B2 SC SC SC FW FW FW B1 B1 SC B1 SC SC SC SC B1 B1 SC PoP 12hr 60 20 30 20 40 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C L S C C S S S S C C Tstms S S S S C S S Date Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 45 77 45 76 44 71 43 73 Temp 55 46 68 74 56 46 68 71 54 45 63 68 53 44 62 72 Dewpt 46 41 45 40 42 39 44 42 45 41 46 43 44 40 44 42 PWind dir S SW S SW S W E SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 10 10 20 40 30 40 20 20 Rain shwrs S S C C C C S C S S Tstms S S $$ MTZ330-112200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 418 AM MDT Thu Sep 11 2025 Date Thu 09/11/25 Fri 09/12/25 Sat 09/13/25 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 69 34 68 33 65 Temp 41 47 64 68 67 54 45 39 34 43 63 67 66 53 44 37 33 42 60 65 62 Dewpt 38 40 36 33 33 38 38 37 34 36 37 32 32 37 38 36 33 37 40 36 38 RH 89 76 35 27 28 54 76 92100 76 38 27 28 54 79 96100 82 47 34 41 Wind dir E SE SW S SW SW SE E N N SW SW SW S E N N N SW W W Wind spd 2 2 10 12 10 3 2 1 0 0 5 10 6 2 1 0 0 1 4 8 5 Clouds B2 B1 B1 B1 FW SC FW FW SC SC B1 B1 SC SC SC SC SC SC B2 B2 B1 PoP 12hr 60 10 40 20 50 QPF 12hr 0.01 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C C S S S S C C Tstms S S S S S Date Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 33 66 34 67 34 66 32 65 Temp 44 34 59 65 45 34 61 65 45 34 59 62 43 33 57 64 Dewpt 41 34 39 35 39 34 39 33 40 34 40 34 39 32 39 35 PWind dir SW S S S SE S NE SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC B1 SC PoP 12hr 10 20 20 50 30 40 20 20 Rain shwrs S S S C C C C S C S S Tstms S S S $$ MTZ328-112200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 418 AM MDT Thu Sep 11 2025 Date Thu 09/11/25 Fri 09/12/25 Sat 09/13/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 42 70 43 70 Temp 47 52 69 72 67 56 49 45 43 48 63 70 68 55 49 45 43 48 62 68 69 Dewpt 36 41 40 38 41 44 43 42 41 44 45 42 41 46 46 44 42 45 47 46 47 RH 65 66 35 29 39 64 80 89 93 86 52 36 37 72 89 96 96 89 58 45 45 Wind dir S SW SW SW W SE SW S S SW W W S SE SW S S SW SW NW NW Wind spd 6 5 6 9 9 5 5 4 5 3 2 4 5 5 4 4 4 3 2 4 5 Clouds B1 B1 B1 B1 SC B1 SC FW FW SC B1 B1 B1 B1 SC SC SC SC B1 B1 SC PoP 12hr 50 20 30 20 20 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S S C C S S S S S S Tstms S S S S C S S Date Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 42 73 43 71 41 68 41 71 Temp 50 42 63 72 52 44 64 67 48 42 58 67 49 42 60 70 Dewpt 44 40 44 42 43 39 46 43 42 40 45 44 42 39 46 43 PWind dir S SW S SW SW N E SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC SC B1 B1 SC SC B1 SC SC SC SC FW PoP 12hr 5 5 20 40 20 20 10 10 Rain shwrs S S C C S S S S Tstms S S S $$ MTZ305-112200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 418 AM MDT Thu Sep 11 2025 Date Thu 09/11/25 Fri 09/12/25 Sat 09/13/25 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 79 53 75 51 78 Temp 55 59 72 77 74 63 60 58 55 58 69 73 71 62 58 54 52 57 71 77 76 Dewpt 52 52 52 51 54 57 56 56 53 54 54 54 53 57 54 52 51 53 57 55 53 RH 90 78 49 40 50 81 87 93 93 86 59 51 53 84 86 93 96 86 61 47 45 Wind dir NE W NW N NE S S SW SW SW SW SW SW SW SW SW SW SW SW W N Wind spd 4 4 5 5 6 5 5 4 5 5 5 5 5 5 4 4 4 5 5 5 6 Clouds B1 SC B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B1 SC B1 B1 SC PoP 12hr 50 60 50 40 30 QPF 12hr 0.01 0.12 0.12 0.08 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S C C C C C C C C C S S C C S Tstms C S S S C S S Date Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 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 78 51 77 50 73 48 73 Temp 59 53 71 75 58 52 70 74 58 51 68 70 55 49 68 71 Dewpt 53 50 55 52 52 49 53 51 53 49 54 52 52 48 53 50 PWind dir S SW S W W W NW W Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC PoP 12hr 20 10 10 20 30 30 20 20 Rain shwrs S S S C C S C S S S $$ MTZ314-112200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 418 AM MDT Thu Sep 11 2025 Date Thu 09/11/25 Fri 09/12/25 Sat 09/13/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 49 73 48 73 Temp 54 58 66 70 68 58 54 52 51 55 69 72 67 57 53 51 49 56 69 72 70 Dewpt 47 50 50 51 53 52 51 49 48 49 49 48 51 52 50 48 46 50 51 50 50 RH 77 75 56 51 59 80 90 89 89 80 49 42 56 83 89 89 89 80 53 46 49 Wind dir SW S NW N NW S S SW SW W W NW N S S SW S W NW N N Wind spd 3 3 5 6 5 5 4 3 3 3 4 5 5 4 4 3 3 2 4 5 5 Clouds B1 B2 B2 B2 B1 B1 FW SC B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B1 PoP 12hr 70 40 60 50 50 QPF 12hr 0.15 0.04 0.05 0.04 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L L C S C C L L C C C C C C C C S Tstms S S S S S S S Date Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 75 49 75 46 68 46 69 Temp 55 50 70 72 55 50 71 70 53 47 64 65 52 47 65 67 Dewpt 49 45 48 47 47 43 47 49 47 43 49 50 49 45 49 48 PWind dir SW W S W SW NW S W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 SC B1 PoP 12hr 20 20 20 30 50 40 30 30 Rain shwrs S S S S C C C C C C C C S C $$ http://www.weather.gov/greatfalls