Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
300 FOUS55 KTFX 012004 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 204 PM MDT Mon Sep 1 2025 MTZ312-021000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 204 PM MDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 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 56 88 54 85 55 Temp 86 88 74 66 60 57 63 79 86 86 72 64 58 54 60 73 82 84 69 63 58 57 Dewpt 35 37 44 46 46 46 46 44 41 42 48 50 51 51 52 52 50 49 49 48 47 48 RH 16 16 34 48 60 67 54 29 21 21 42 60 77 90 75 48 33 30 49 58 67 72 Wind dir E E E SE SW SW W NW N N NE NE NE N SE E NE NE E S SW W Wind spd 6 10 8 5 5 5 5 5 9 10 10 9 5 2 2 3 5 9 5 3 4 5 Clouds SC SC SC SC SC FW FW CL SC SC SC FW FW FW FW FW FW FW SC SC 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 H H H H H H H H Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 79 48 78 48 82 53 83 54 82 Temp 75 77 56 48 69 76 56 48 71 80 59 53 76 81 62 54 75 79 Dewpt 48 44 40 39 38 37 39 38 39 39 45 42 45 41 46 44 46 42 PWind dir NW NE E E SE SE SW SW SW Wind char GN GN LT GN LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW FW SC FW SC SC SC SC B1 B1 B1 B1 PoP 12hr 0 0 0 5 5 10 10 20 20 Rain shwrs S S $$ MTZ303-021000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 204 PM MDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 53 83 50 84 54 Temp 84 85 70 62 57 54 62 76 81 80 66 58 54 51 57 71 81 83 68 61 56 56 Dewpt 37 38 43 45 45 46 49 49 46 48 49 50 49 48 49 50 49 47 48 48 45 45 RH 19 19 38 54 64 74 62 39 29 33 54 75 83 89 75 47 33 28 49 62 66 66 Wind dir SE SE E NW NW NW NW N N N NE NE E SE SE SE SE E SE W NW NW Wind spd 9 8 5 4 5 10 12 13 12 12 9 5 3 4 6 11 10 8 5 4 6 10 Clouds B1 B1 SC SC SC FW CL FW SC B1 SC FW FW FW FW FW FW FW SC FW SC SC PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 45 75 44 78 48 80 50 78 Temp 71 73 53 45 66 73 53 45 69 77 56 48 74 79 59 51 73 76 Dewpt 48 44 38 35 37 35 33 35 37 36 38 38 42 41 42 42 43 41 PWind dir N E SE SE SE SE SW W W Wind char GN GN GN GN GN GN LT GN GN Avg clouds FW FW FW FW FW CL FW FW SC FW SC B1 B1 SC SC SC SC SC PoP 12hr 0 0 5 5 5 5 10 10 20 Rain shwrs S $$ MTZ319-021000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 204 PM MDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 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 58 89 56 88 58 Temp 85 88 77 69 64 60 63 77 87 88 76 69 62 57 61 74 86 87 77 69 63 60 Dewpt 38 36 40 43 44 44 45 43 40 39 44 45 45 47 49 51 48 43 44 43 42 43 RH 19 16 26 39 48 55 52 30 19 18 32 42 54 69 65 44 27 21 31 39 46 53 Wind dir E E SW W W W SE N N N NW NW W W N NE N NW W W SW W Wind spd 5 5 4 3 2 2 2 3 8 10 6 5 3 1 1 2 5 6 5 5 3 2 Clouds FW SC SC FW FW FW FW CL FW FW FW SC FW FW FW CL FW 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 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 82 52 80 50 81 53 82 54 80 Temp 74 80 63 53 69 78 62 51 69 80 64 54 71 81 66 55 70 79 Dewpt 47 45 43 41 44 38 39 38 42 42 43 42 46 44 46 45 47 45 PWind dir N N NE NW E SW S SW SW Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 5 5 10 20 30 20 30 Rain shwrs S C S C Tstms S $$ MTZ326-021000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 204 PM MDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 88 51 86 51 Temp 85 86 73 63 57 53 60 77 86 86 72 64 57 52 59 74 83 85 72 63 57 53 Dewpt 27 32 39 44 43 42 43 39 33 34 40 42 41 40 44 45 42 39 41 42 41 40 RH 12 14 29 50 59 66 53 25 15 16 31 45 55 63 57 35 24 20 33 46 55 61 Wind dir N N SE S S S SW NW NW N NE SE SE SE SE W NW N SE SE SE SE Wind spd 2 5 6 8 5 4 2 3 6 10 6 5 4 3 2 2 5 8 5 5 4 4 Clouds FW FW B1 SC FW FW CL FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 47 79 46 79 48 80 50 78 Temp 76 80 58 48 68 77 57 47 71 77 59 49 72 78 60 51 70 76 Dewpt 44 42 44 40 41 37 39 36 42 40 44 40 45 44 47 43 48 42 PWind dir W NE NE E NE E SW S SW Wind char LT GN LT GN LT LT LT LT LT Avg clouds FW CL FW FW FW FW FW FW SC SC SC SC SC B1 B1 B1 SC B1 PoP 12hr 0 0 5 5 20 20 30 30 30 Rain shwrs S S C C C Tstms S S $$ MTZ330-021000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 204 PM MDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 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 39 81 39 79 40 Temp 78 77 63 53 43 39 50 74 79 78 64 53 45 39 51 73 79 77 64 53 44 40 Dewpt 25 27 37 37 36 36 38 35 26 30 36 36 33 33 36 38 32 33 39 38 35 35 RH 14 16 38 54 76 89 63 24 14 17 35 52 62 79 56 28 18 20 40 57 70 82 Wind dir SW SW SW NE E N N W N N NE NE NE N N NW NW NW N NE N N Wind spd 6 4 1 2 1 0 0 2 5 6 4 2 1 0 0 3 8 8 2 1 0 0 Clouds FW FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW 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 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 39 75 39 72 39 71 39 69 Temp 73 76 53 39 68 73 51 39 68 69 51 40 67 68 50 39 65 67 Dewpt 37 35 42 39 41 37 42 39 43 40 44 39 45 42 44 39 44 37 PWind dir NW NE NW NE SW S S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 5 5 20 10 40 30 50 30 40 Rain shwrs S C C S S C C S S C Tstms S S S S S $$ MTZ328-021000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 204 PM MDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 85 49 85 50 Temp 83 84 68 59 54 51 58 76 84 84 69 59 54 49 57 74 83 84 69 60 54 51 Dewpt 27 28 36 36 36 36 39 38 32 34 38 39 38 37 41 44 39 41 41 40 38 37 RH 13 13 31 42 50 56 49 25 15 17 32 47 54 63 55 34 21 22 36 47 54 59 Wind dir NW N E S S S SW NW N NW E SE S S S NW N N NE SW S S Wind spd 3 3 4 5 4 4 2 2 4 5 5 5 5 5 2 2 4 5 5 5 4 4 Clouds FW FW SC FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW CL FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 47 79 48 76 47 77 47 74 Temp 76 80 57 47 68 77 56 48 69 74 56 48 70 75 55 47 68 72 Dewpt 44 43 45 43 48 44 44 41 49 48 46 43 49 48 47 43 48 45 PWind dir NW NE N E S S SW S SW Wind char LT GN LT LT LT LT LT LT LT Avg clouds CL FW SC SC FW FW SC SC SC B1 B1 SC SC B1 B2 B1 SC B1 PoP 12hr 5 5 10 10 30 30 40 20 40 Rain shwrs C C S C S C Tstms S S S S $$ MTZ305-021000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 204 PM MDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 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 55 83 50 78 54 Temp 85 85 71 65 61 56 63 77 81 80 67 60 54 50 56 69 75 77 65 61 57 56 Dewpt 39 42 51 50 50 50 50 48 47 52 56 53 51 49 48 50 48 50 52 51 49 50 RH 20 22 49 58 67 80 62 36 30 38 68 78 90 96 74 51 38 39 63 70 75 80 Wind dir E E E E E E NW N N NE NE NE E E E E E E SE S W W Wind spd 4 5 5 5 5 3 3 6 10 13 11 8 5 5 4 4 4 5 5 5 6 9 Clouds FW FW SC SC SC FW SC SC B1 B1 SC FW FW SC FW SC SC SC SC SC SC SC PoP 12hr 5 5 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H Heat index 80 Max heat 83 81 81 Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 74 42 71 44 76 48 80 51 80 Temp 71 71 52 43 64 69 53 44 67 75 56 48 71 79 61 52 73 77 Dewpt 51 40 40 37 38 37 39 37 41 41 40 39 45 45 48 44 50 48 PWind dir NW NE E E E E SW SW W Wind char GN GN LT GN LT GN LT LT LT Avg clouds FW FW FW FW FW CL FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 10 10 $$ MTZ314-021000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 204 PM MDT Mon Sep 1 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 85 51 78 54 Temp 84 82 68 62 58 56 66 80 84 82 67 59 54 52 57 69 76 77 64 58 56 56 Dewpt 37 44 50 48 47 46 49 44 44 46 50 50 50 50 50 51 51 52 52 49 47 45 RH 19 26 52 60 67 69 54 28 25 28 54 72 86 93 77 53 42 42 65 72 72 66 Wind dir E E SE SE SE SE N NW NW N NE E E SE E E N NE SE SW SW W Wind spd 5 5 6 6 5 5 3 5 9 10 5 5 3 3 2 2 4 4 4 5 5 5 Clouds CL SC SC B1 SC SC FW FW FW SC B1 SC SC FW FW FW FW FW SC SC SC SC PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H Date 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 44 72 45 76 50 80 52 78 Temp 71 70 52 44 65 70 51 46 71 74 56 51 74 78 59 53 74 76 Dewpt 48 44 38 36 37 38 36 34 39 41 39 38 43 45 45 42 44 47 PWind dir NW NE SE SE SE SE SW SW W Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW CL FW FW FW FW SC SC SC SC B1 B1 B1 SC PoP 12hr 0 0 0 0 5 10 20 30 20 Rain shwrs S C S S $$ http://www.weather.gov/greatfalls