Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
870 FOUS55 KTFX 010846 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 246 AM MDT Mon Sep 1 2025 MTZ312-012200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 246 AM MDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 89 56 88 54 83 Temp 59 56 63 80 87 88 75 68 62 58 65 80 86 87 72 64 58 54 59 72 81 82 Dewpt 40 42 42 40 36 36 45 47 47 46 46 47 45 46 48 51 51 50 51 51 50 49 RH 49 59 46 24 16 16 34 47 58 64 50 31 24 24 42 63 77 86 75 48 34 32 Wind dir SW SW SW E E NE E S SW SW W NW N N NE NE NE N NE NE NE NE Wind spd 4 4 2 2 6 10 8 5 5 5 4 5 9 10 9 10 6 3 2 4 6 10 Clouds SC SC FW FW FW SC SC SC FW SC FW FW FW FW SC SC FW FW FW FW FW FW PoP 12hr 0 5 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 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 55 80 49 78 50 83 55 83 Temp 63 55 75 77 57 49 69 77 57 50 72 81 61 55 77 82 Dewpt 49 47 49 43 40 39 41 39 40 41 40 40 45 44 48 44 PWind dir SE NW NE E E SE SE SW Wind char LT LT GN LT LT LT LT LT Avg clouds SC FW SC FW FW FW FW FW FW SC SC SC SC B1 B1 B1 PoP 12hr 0 0 5 5 5 5 10 10 $$ MTZ303-012200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 246 AM MDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 52 83 51 83 Temp 56 52 61 79 85 85 70 62 57 54 61 76 82 81 68 59 55 51 58 72 80 82 Dewpt 41 40 41 41 39 38 42 43 43 44 47 50 49 48 51 50 49 49 49 50 50 48 RH 57 63 48 26 20 19 36 50 59 69 60 40 32 32 54 72 80 93 72 46 35 31 Wind dir NW NW N SE SE S NE W NW W NW N N N NE NE E SE SE SE SE E Wind spd 3 3 3 6 9 8 6 5 5 5 9 10 11 12 10 6 4 4 5 10 10 9 Clouds SC SC SC FW SC B1 SC SC SC FW CL FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 78 46 76 47 80 50 79 Temp 59 53 72 75 55 46 68 75 56 47 72 79 58 50 75 77 Dewpt 47 44 47 43 41 37 39 39 36 37 38 39 41 40 44 41 PWind dir SE N E SE SE SE S W Wind char LT GN LT GN GN GN GN GN Avg clouds SC SC SC FW FW FW FW FW SC SC SC SC SC B1 B1 SC PoP 12hr 0 0 5 5 5 10 10 10 $$ MTZ319-012200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 246 AM MDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 89 57 89 56 87 Temp 63 58 61 76 87 87 77 69 63 59 62 77 86 88 76 69 62 57 61 74 84 86 Dewpt 40 40 41 44 42 39 40 42 42 42 43 44 43 43 45 46 46 47 49 51 48 44 RH 43 51 48 32 21 18 26 37 46 53 50 31 22 21 33 44 56 69 65 44 29 23 Wind dir W W NW E E E S SW W W S NE N N N NW NW NW N NE N N Wind spd 2 2 1 2 5 5 4 3 2 2 1 2 6 10 6 5 4 2 1 2 5 8 Clouds FW FW CL CL FW SC SC SC 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 H H H H Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 83 53 81 52 83 54 80 Temp 70 58 75 82 65 54 71 81 64 53 71 80 65 54 71 79 Dewpt 45 44 47 46 46 43 48 44 43 42 43 43 48 46 48 46 PWind dir W NW N N NW SE SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC B1 B1 B1 B1 PoP 12hr 0 0 5 5 10 20 20 30 Rain shwrs S S C Tstms S S $$ MTZ326-012200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 246 AM MDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 52 89 51 86 Temp 56 52 59 77 86 86 72 65 58 52 60 77 86 87 72 63 57 52 58 74 84 85 Dewpt 38 36 38 32 23 29 36 42 40 39 42 42 39 39 41 43 42 42 45 45 44 42 RH 51 54 45 19 10 13 27 43 51 61 51 29 19 18 33 48 57 69 62 35 25 22 Wind dir S S S NW N NE SE S SE S S NW NW N NE E SE SE SE NW NW N Wind spd 5 5 2 2 2 5 6 8 5 4 2 2 5 10 6 5 4 3 2 2 5 9 Clouds FW FW FW FW FW SC SC FW FW FW CL FW FW FW FW FW FW FW FW CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 84 48 80 48 82 49 79 Temp 64 53 77 82 60 49 70 78 59 49 72 78 60 50 73 76 Dewpt 44 42 44 42 45 40 44 41 43 40 43 44 46 43 47 43 PWind dir E NW E NE E SW SE SW Wind char LT LT GN LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW SC SC SC B1 B1 B1 B1 PoP 12hr 0 0 5 10 10 20 20 30 Rain shwrs S S C Tstms S S $$ MTZ330-012200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 246 AM MDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 39 81 40 79 Temp 42 37 48 71 78 77 64 51 43 39 50 74 81 79 65 55 46 40 51 74 79 77 Dewpt 36 33 37 38 28 29 36 35 34 35 37 39 32 34 39 38 36 35 39 39 32 33 RH 79 85 65 30 16 17 35 54 70 85 61 28 17 20 38 53 68 82 63 28 18 20 Wind dir E N N SW SW SW SW NE E N N W NW N NE NE NE N N NW NW NW Wind spd 1 0 0 1 5 4 1 2 1 0 0 2 5 6 3 2 1 0 0 3 8 9 Clouds FW FW FW FW SC SC SC FW FW SC FW FW SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 78 39 75 39 74 40 70 Temp 53 40 73 76 53 39 68 72 51 39 68 70 50 40 65 68 Dewpt 39 36 37 35 41 38 42 39 42 38 42 42 45 40 45 39 PWind dir N NW NE NW NE SW SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 0 0 5 20 20 40 30 50 Rain shwrs S S C C S S C Tstms S S S S $$ MTZ328-012200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 246 AM MDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 50 86 48 85 Temp 54 49 56 73 82 83 69 61 55 51 59 77 85 83 69 60 54 49 57 76 84 83 Dewpt 38 34 38 34 21 23 37 37 36 36 39 41 39 38 40 41 39 38 43 46 42 41 RH 54 56 51 24 10 11 31 41 49 56 47 28 20 20 35 49 57 66 59 34 23 23 Wind dir S S SW NW N NE E S S S SW NW N N E E S S SW N N N Wind spd 5 5 2 2 3 3 4 5 4 4 2 2 4 6 5 5 5 5 2 2 5 6 Clouds FW SC FW FW SC FW FW FW FW FW CL CL FW FW FW FW CL FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 82 47 79 48 78 48 75 Temp 60 50 75 80 58 47 68 77 56 49 70 75 56 48 69 74 Dewpt 41 39 43 42 45 42 49 47 47 44 46 48 48 44 49 46 PWind dir SE NW NE N S SW S SW Wind char LT LT GN LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC FW SC SC SC B1 B1 B1 B1 B1 PoP 12hr 0 5 5 10 10 30 30 40 Rain shwrs C C S C Tstms S S S $$ MTZ305-012200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 246 AM MDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 56 83 50 76 Temp 60 55 63 80 86 85 72 65 61 57 63 78 83 79 67 60 54 51 56 68 74 75 Dewpt 49 49 48 51 46 47 53 50 50 50 51 54 54 56 55 54 51 49 48 48 47 48 RH 67 80 58 36 25 27 51 58 67 77 65 43 37 45 65 81 90 93 74 49 38 38 Wind dir SE E NE E E E E E E E E E NE NE NE NE E E E E E E Wind spd 2 2 1 3 4 6 5 5 4 3 3 6 9 12 10 9 6 5 5 5 5 5 Clouds SC SC FW SC SC FW SC FW SC SC SC SC B1 SC SC FW FW SC FW SC SC SC PoP 12hr 0 10 5 5 0 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 84 81 82 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 53 76 44 73 46 79 51 80 Temp 59 54 72 73 53 45 67 72 55 47 69 78 59 52 73 78 Dewpt 50 48 51 43 43 41 43 41 41 39 42 43 45 43 49 46 PWind dir SE NW NE E E SE SE SW Wind char LT GN LT LT GN LT GN LT Avg clouds SC SC SC FW FW FW FW FW FW SC SC FW SC SC SC B1 PoP 12hr 0 0 0 0 5 0 5 5 $$ MTZ314-012200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 246 AM MDT Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 55 85 51 77 Temp 58 55 66 80 84 82 68 62 58 56 66 81 85 81 67 60 55 52 58 71 76 74 Dewpt 40 40 43 38 38 44 48 45 44 42 46 48 49 49 51 51 51 50 51 54 53 51 RH 51 57 43 22 19 26 49 54 59 59 48 32 29 33 56 72 86 93 77 55 45 44 Wind dir S SE SE E NE E SE SE SE SE S W N N NE E E E E NE NE NE Wind spd 5 4 2 3 5 5 5 5 5 5 3 5 9 9 5 5 4 3 2 3 5 5 Clouds FW FW FW FW FW FW SC SC SC SC FW FW FW SC SC SC SC SC FW FW FW FW PoP 12hr 0 5 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H H Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 76 46 73 47 79 52 79 Temp 56 53 71 72 54 47 67 71 53 48 73 74 58 53 74 75 Dewpt 50 45 48 45 42 39 41 40 40 37 40 43 42 40 46 47 PWind dir SE NW E E SE SE SE SW Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW SC FW FW SC B1 B1 SC PoP 12hr 0 0 0 5 5 5 20 20 Rain shwrs S S $$ http://www.weather.gov/greatfalls