Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
765 FOUS55 KTFX 310239 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 839 PM MDT Sat Aug 30 2025 MTZ312-311000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 839 PM MDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue 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 52 88 51 88 54 Temp 69 62 56 54 62 79 86 86 72 64 56 52 60 77 85 87 73 65 58 55 Dewpt 47 48 47 46 46 43 39 37 43 43 42 42 44 42 41 41 43 44 44 44 RH 45 60 72 74 56 28 19 18 35 46 59 69 55 29 21 20 34 46 59 66 Wind dir W SW SW SW SW W NW N E SE SW SW SW NE NE NE E SE SW SW Wind spd 5 6 6 6 6 5 5 6 6 5 4 4 2 2 6 10 8 6 5 5 Clouds FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 86 52 80 50 83 50 86 54 87 Temp 79 83 61 52 71 79 59 51 76 81 59 51 77 85 64 55 81 83 Dewpt 49 46 49 48 49 44 45 43 45 39 42 41 41 38 41 40 42 43 PWind dir NW NE NE SE NW E SW SE SW Wind char LT GN LT LT LT LT LT LT GN Avg clouds FW FW SC SC SC FW FW SC SC FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 0 0 5 5 $$ MTZ303-311000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 839 PM MDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 85 48 87 52 Temp 69 59 54 50 60 80 84 83 68 60 53 49 60 79 85 86 71 62 56 52 Dewpt 50 47 45 43 42 39 37 38 42 44 42 41 42 42 40 41 43 43 42 43 RH 51 64 71 77 51 23 19 20 39 55 66 74 51 27 20 21 36 50 59 71 Wind dir W W W NW W NW NW N NE NW NW NW NW SE SE E N W NW NW Wind spd 10 10 10 9 5 6 8 9 6 4 4 4 3 5 8 6 6 6 6 6 Clouds SC FW FW FW FW FW FW FW SC FW FW FW CL CL FW FW SC SC SC SC PoP 12hr 5 0 0 0 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 48 79 47 82 47 84 51 84 Temp 74 77 57 48 70 78 57 48 74 81 57 48 77 82 59 52 80 81 Dewpt 50 49 47 45 47 42 42 41 43 39 40 39 40 38 38 37 39 39 PWind dir N E SE S NW SE S S W Wind char GN GN LT LT LT LT GN GN GN Avg clouds FW FW SC SC SC FW FW SC SC FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 0 0 5 5 5 $$ MTZ319-311000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 839 PM MDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue 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 52 86 53 88 57 Temp 74 65 60 53 57 72 82 85 74 66 59 54 59 74 84 87 75 70 62 57 Dewpt 43 41 44 44 46 44 41 38 42 41 42 42 46 43 40 39 40 41 40 41 RH 33 41 55 71 67 37 23 19 32 40 53 64 62 33 21 18 28 35 44 55 Wind dir W SW W SW SW E E E S W W S SE E NE NE NE SW S SW Wind spd 5 5 5 4 2 3 6 5 5 3 2 2 1 3 5 6 4 2 2 2 Clouds FW FW FW FW FW FW FW FW FW SC 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 Obvis H H Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 88 55 81 53 83 53 85 55 85 Temp 76 86 68 55 72 81 65 54 72 83 65 54 73 84 67 56 76 81 Dewpt 46 43 46 46 50 43 44 42 44 40 41 41 43 40 41 42 46 43 PWind dir N NW N NW NW NW SE SW SW Wind char LT LT LT LT LT LT LT GN LT Avg clouds FW FW FW FW FW FW FW FW SC SC FW FW FW FW SC SC SC SC PoP 12hr 0 0 5 0 0 0 5 5 10 $$ MTZ326-311000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 839 PM MDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 47 84 48 86 50 Temp 69 58 52 47 56 73 82 82 69 61 54 49 56 73 83 85 70 63 55 51 Dewpt 46 45 42 41 43 41 36 35 35 38 37 37 40 38 38 38 39 41 40 39 RH 44 62 69 79 62 31 19 18 28 42 52 63 55 28 20 19 32 44 57 63 Wind dir SE S S S SE NW NW N E SE SE SE SE NW NW N E E E SE Wind spd 4 5 4 4 2 3 4 4 5 5 5 4 1 2 5 6 6 8 5 4 Clouds FW FW FW FW FW CL FW FW FW FW FW FW FW CL FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 50 80 48 80 48 83 50 83 Temp 75 85 63 51 71 79 59 49 72 78 59 49 75 81 62 51 75 79 Dewpt 42 41 45 43 46 43 44 41 44 38 41 38 42 38 43 39 44 41 PWind dir NE E NE E W E SW SE SW Wind char LT GN LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW SC SC SC FW FW FW SC SC SC SC PoP 12hr 0 0 5 0 0 0 5 5 10 $$ MTZ330-311000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 839 PM MDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue 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 34 76 35 79 39 Temp 59 47 38 34 45 66 74 75 61 49 39 35 46 72 78 77 63 52 43 39 Dewpt 32 29 27 27 29 33 29 31 33 31 27 27 31 37 30 31 38 37 36 36 RH 36 49 64 75 53 29 19 20 35 50 62 72 55 28 17 18 39 56 76 89 Wind dir W N N SE S W W NW N NE E N N E NW NW NE NE E N Wind spd 2 0 0 1 1 2 4 4 2 2 1 0 0 2 5 5 2 2 1 0 Clouds FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 40 75 38 75 38 76 39 75 Temp 73 76 53 40 70 73 51 38 68 73 51 38 70 74 52 39 70 72 Dewpt 39 35 40 37 39 34 40 37 37 33 39 36 38 34 39 36 39 35 PWind dir N NE N N N NE W S SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW FW FW SC FW SC FW SC FW SC SC SC B1 PoP 12hr 5 5 5 0 0 5 10 5 30 Rain shwrs C $$ MTZ328-311000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 839 PM MDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 80 45 83 48 Temp 67 55 50 46 53 69 78 80 66 56 49 46 54 71 81 82 68 59 52 49 Dewpt 40 36 35 34 37 38 33 33 32 31 28 27 32 38 36 38 39 38 36 36 RH 37 49 56 63 54 32 19 18 28 38 44 47 43 30 20 21 34 45 54 61 Wind dir NW S S S SW SW NE NE E SE S S S N N N NE SE S S Wind spd 5 5 4 6 3 2 3 4 5 5 5 4 2 2 4 5 5 5 4 4 Clouds FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K K K H H H H Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 48 81 47 80 46 81 49 81 Temp 75 81 58 48 71 80 58 48 72 78 57 47 73 79 59 49 73 75 Dewpt 44 42 42 40 47 45 44 40 47 42 42 39 46 45 44 40 46 47 PWind dir W E NW E NW E SW S SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC FW FW FW SC FW FW SC SC SC SC SC PoP 12hr 0 0 0 0 0 5 5 5 20 Rain shwrs S $$ MTZ305-311000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 839 PM MDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue 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 86 53 87 55 Temp 66 58 54 52 59 74 82 83 69 63 57 53 62 80 86 85 71 65 59 55 Dewpt 59 53 50 49 49 52 48 48 52 51 50 49 51 53 49 49 54 52 50 50 RH 78 83 86 89 69 46 31 30 55 65 77 86 67 39 28 29 55 63 72 83 Wind dir E SE S SW SW W W NW NE S SW W W N N NE E SE E SE Wind spd 5 5 5 5 6 8 8 8 4 3 3 2 2 3 4 5 5 5 4 4 Clouds SC SC FW FW FW CL CL FW FW FW FW FW CL CL FW FW SC SC SC SC PoP 12hr 10 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Heat index 80 Max heat 83 80 80 84 80 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 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 81 48 75 47 80 48 81 50 84 Temp 76 77 58 49 67 74 56 48 72 78 57 49 73 79 60 51 76 81 Dewpt 54 55 52 47 48 46 47 43 49 46 48 44 48 46 46 43 48 46 PWind dir NE E E SE W E SE SE SW Wind char LT GN LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 SC SC SC SC SC FW FW FW FW FW FW SC SC SC PoP 12hr 5 0 0 0 0 0 0 0 5 $$ MTZ314-311000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 839 PM MDT Sat Aug 30 2025 Date 08/30/25 Sun 08/31/25 Mon 09/01/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 83 51 83 53 Temp 64 56 54 52 61 75 82 80 66 59 55 52 62 77 82 81 66 60 56 54 Dewpt 53 49 48 45 46 44 44 44 47 44 42 42 47 45 46 46 48 47 44 43 RH 67 77 80 77 58 33 26 28 50 57 61 69 58 32 28 29 52 62 64 66 Wind dir SE SE S S SW NW NW N SE S S S SW N N N E S S S Wind spd 5 6 6 5 4 5 6 5 4 4 4 3 2 3 5 5 5 5 5 4 Clouds SC SC FW FW CL CL FW FW FW FW FW FW FW CL CL CL FW FW SC FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Tstms Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 48 72 47 76 48 79 51 82 Temp 78 77 56 49 67 70 53 48 70 73 54 49 74 77 57 52 78 79 Dewpt 47 51 52 48 49 47 46 42 45 44 44 40 43 47 41 38 42 46 PWind dir W E E SE W SE W SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 SC FW SC SC SC FW FW FW FW FW FW SC SC SC PoP 12hr 5 5 5 0 0 0 5 5 10 $$ http://www.weather.gov/greatfalls