Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
491 FOUS55 KTFX 311431 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 830 AM MDT Sun Aug 31 2025 MTZ312-312200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 830 AM MDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 88 55 90 55 89 Temp 61 79 86 87 73 65 59 56 63 79 87 88 73 66 59 56 64 81 88 86 Dewpt 40 42 40 41 41 42 42 43 44 43 41 42 44 46 45 45 46 47 44 44 RH 46 27 20 20 31 43 53 62 50 28 20 20 35 48 60 66 52 30 22 23 Wind dir SW W W N E SE S SW SW NE NE NE E SE S SW W W N N Wind spd 5 5 5 5 5 5 4 4 2 2 6 10 9 5 5 5 4 5 9 11 Clouds FW FW SC SC SC SC FW SC FW FW FW SC SC SC FW FW FW FW FW SC PoP 12hr 5 0 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H H H H Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 54 82 53 85 52 82 51 83 Temp 64 55 72 81 62 54 78 83 62 52 73 81 60 52 75 80 Dewpt 50 50 51 47 48 46 48 44 46 44 44 44 45 43 45 42 PWind dir NE N SE NW E SE E W Wind char GN LT LT LT LT LT LT LT Avg clouds SC SC FW FW SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 5 0 0 0 5 5 5 5 $$ MTZ303-312200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 830 AM MDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 51 88 52 84 Temp 63 82 85 84 69 62 55 51 62 80 87 85 71 63 56 53 62 78 83 81 Dewpt 41 43 41 40 42 43 41 42 42 44 42 40 44 44 44 43 46 49 48 49 RH 44 25 21 21 37 50 59 71 48 28 21 20 38 50 64 69 56 36 30 33 Wind dir W NW NW N NE N NW NW NW SE SE SE SE S W NW NW N N NE Wind spd 5 8 9 9 5 3 3 3 3 8 9 8 6 5 5 5 6 10 11 12 Clouds FW FW SC FW SC SC SC SC FW FW FW SC SC SC FW FW FW FW SC FW PoP 12hr 0 0 0 5 5 QPF 12hr 0 0.04 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H H Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 81 50 82 49 79 48 81 Temp 60 52 71 80 60 51 77 80 58 50 72 78 58 49 72 79 Dewpt 50 49 49 46 46 44 47 43 42 41 43 42 41 40 42 43 PWind dir NE SE SE NW N SE SE SE Wind char GN LT LT GN LT LT GN GN Avg clouds SC SC FW FW SC SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 5 5 10 $$ MTZ319-312200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 830 AM MDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 87 57 88 57 89 Temp 57 72 83 86 75 69 63 58 61 77 86 88 76 70 63 57 62 77 86 88 Dewpt 42 44 42 40 40 39 40 40 41 44 42 37 41 43 41 42 43 45 44 42 RH 57 37 24 20 28 33 43 51 48 31 21 16 28 38 44 57 50 32 23 20 Wind dir N E E E SE W W W SE E E E NE S S S SE NE N N Wind spd 2 3 5 5 4 3 2 1 1 3 5 5 4 2 2 2 2 4 8 10 Clouds FW CL SC FW FW SC FW FW FW FW FW FW SC FW FW FW FW CL FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H H H H Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 57 87 55 86 55 84 54 82 Temp 69 57 74 85 67 56 75 85 67 55 73 83 66 54 72 81 Dewpt 45 48 49 42 46 45 46 43 44 44 47 44 44 44 46 46 PWind dir N N W NW NW NE W SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW SC SC FW SC FW SC SC SC SC SC B1 PoP 12hr 0 0 0 0 5 10 10 20 Rain shwrs S $$ MTZ326-312200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 830 AM MDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 50 88 51 88 Temp 56 72 82 84 71 62 56 51 60 78 87 85 71 65 57 52 60 78 87 85 Dewpt 40 39 36 36 36 38 37 35 39 41 38 37 39 42 40 40 42 44 40 39 RH 55 30 19 18 28 41 49 54 46 27 18 18 31 43 53 63 51 30 19 20 Wind dir SE NW N N SE S S S SE NW N E E E E SE SE NW NW N Wind spd 2 2 4 4 5 6 5 4 1 2 3 5 8 8 5 4 1 2 5 9 Clouds CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 84 50 83 49 82 49 81 Temp 64 52 73 82 62 51 75 81 61 50 74 79 61 50 73 76 Dewpt 43 43 46 42 46 42 46 39 43 41 46 42 46 41 46 43 PWind dir E SW E SW E SW SE NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC FW SC FW FW FW B1 SC SC SC PoP 12hr 0 5 0 0 5 10 10 20 Rain shwrs S $$ MTZ330-312200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 830 AM MDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 38 79 38 80 Temp 43 65 75 75 62 51 42 38 50 73 79 77 63 52 43 38 50 75 79 77 Dewpt 33 36 30 32 37 36 33 33 36 38 30 32 38 37 35 35 38 40 32 34 RH 67 34 19 21 39 56 70 82 58 28 17 19 39 56 73 89 63 28 18 21 Wind dir N SW SW W NE E NE N N SW SW W NE E E N N NW NW N Wind spd 0 1 3 2 1 1 1 0 0 1 3 3 1 2 1 0 0 2 5 5 Clouds FW CL FW FW SC FW SC SC FW FW FW SC SC FW FW FW FW FW SC SC PoP 12hr 5 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 40 77 40 77 40 76 41 74 Temp 53 40 72 75 53 40 71 75 53 40 71 73 52 41 69 69 Dewpt 37 36 39 34 42 38 39 34 40 38 40 37 41 40 42 41 PWind dir NE NW N NW NE W NE SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW SC SC SC SC FW SC SC B1 B1 SC B1 PoP 12hr 0 5 0 0 5 20 20 30 Rain shwrs S S C Tstms S $$ MTZ328-312200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 830 AM MDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 47 84 48 85 Temp 56 72 81 80 67 58 53 49 57 73 82 83 68 59 52 49 58 76 84 83 Dewpt 41 43 38 37 36 36 36 34 38 41 38 38 39 38 37 35 40 44 41 40 RH 57 35 21 21 32 44 52 56 49 31 21 20 34 45 56 58 51 32 22 22 Wind dir SW SW NE NE SE SE S S SW N N N E SE S S SW NW N N Wind spd 3 2 3 3 4 5 5 5 2 2 3 4 4 5 4 4 2 2 4 6 Clouds CL CL FW FW SC FW FW FW FW FW FW SC SC FW FW FW CL CL FW SC PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K H H H H H H H Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 83 49 82 48 80 48 77 Temp 60 49 73 82 59 50 74 80 59 49 72 77 57 48 70 73 Dewpt 40 39 46 42 42 40 46 41 43 41 48 47 47 43 49 50 PWind dir E W SW W E W E SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC FW SC SC FW SC B1 SC SC B1 PoP 12hr 0 5 0 0 5 20 10 20 Rain shwrs S S $$ MTZ305-312200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 830 AM MDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 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 86 55 87 56 84 Temp 58 74 83 85 70 64 59 55 63 80 87 85 71 65 59 56 63 77 83 79 Dewpt 49 51 47 50 53 51 50 50 51 53 49 50 54 52 49 50 51 56 55 55 RH 72 44 28 30 55 63 72 83 65 39 27 30 55 63 69 80 65 48 38 44 Wind dir SW W W NW N S SW SW NW NE NE E E SE SE E SW NE NE NE Wind spd 6 9 6 5 3 2 2 2 1 2 3 5 5 5 4 3 3 5 9 11 Clouds CL CL FW CL FW FW FW SC CL FW FW FW SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Heat index 80 80 Max heat 83 82 80 84 80 82 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 77 50 80 49 77 49 81 Temp 61 51 69 75 58 51 74 78 59 50 71 75 57 50 73 78 Dewpt 55 49 51 49 50 47 51 49 48 46 48 46 46 44 48 46 PWind dir NE E SE NW NE E E SE Wind char GN LT LT LT LT LT GN LT Avg clouds SC SC FW FW SC B1 SC FW FW FW FW SC SC SC SC SC PoP 12hr 5 0 0 0 5 5 5 5 $$ MTZ314-312200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 830 AM MDT Sun Aug 31 2025 Date Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 55 84 53 84 Temp 62 76 81 80 67 60 57 55 65 80 84 81 66 61 57 54 65 80 83 80 Dewpt 44 45 44 44 46 43 41 41 45 47 46 47 49 47 45 43 47 48 48 50 RH 52 33 27 28 47 53 55 59 48 31 27 30 54 60 64 66 52 33 30 35 Wind dir SW W NW N SE S S S S NE NE NE SE SE S S S W N N Wind spd 4 5 6 5 4 5 4 3 2 2 5 5 5 5 5 4 3 4 6 8 Clouds CL CL CL FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW SC SC PoP 12hr 5 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H Heat index 80 Max heat 80 82 81 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 76 50 78 48 76 49 79 Temp 59 51 69 74 56 51 74 76 56 49 70 72 55 50 73 75 Dewpt 50 49 51 51 49 45 48 47 46 43 46 48 43 40 45 48 PWind dir NE E SE W SE E SE E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW SC B1 SC SC FW FW SC FW SC SC SC SC PoP 12hr 10 5 0 0 5 10 5 10 $$ http://www.weather.gov/greatfalls