


Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
919 FOUS55 KTFX 301441 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 841 AM MDT Sat Aug 30 2025 MTZ312-302200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 841 AM MDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 83 52 88 51 88 Temp 55 70 80 82 69 61 56 52 62 80 86 86 72 63 56 52 60 77 85 87 Dewpt 50 49 45 46 49 49 48 46 47 43 39 37 44 45 43 43 45 41 40 40 RH 83 47 29 28 49 65 74 80 58 27 19 18 37 52 62 71 58 28 20 19 Wind dir SW W W W SW SW SW SW SW W NW N E SE SW SW SW NE NE NE Wind spd 5 6 6 6 5 6 6 6 6 5 5 6 6 5 4 4 2 2 6 10 Clouds SC FW FW SC FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 87 53 83 53 85 52 88 Temp 63 54 76 86 62 53 73 82 62 54 79 83 61 53 79 87 Dewpt 43 43 46 45 49 47 50 45 47 45 47 40 43 42 43 40 PWind dir E W NE N SE NW E SW Wind char LT LT GN LT LT LT LT LT Avg clouds FW FW FW FW SC SC SC FW FW SC SC FW FW FW FW FW PoP 12hr 5 0 5 0 0 0 5 5 $$ MTZ303-302200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 841 AM MDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 49 85 48 87 Temp 50 69 79 79 66 58 53 51 61 79 84 83 68 59 52 48 60 79 85 86 Dewpt 44 46 43 44 46 47 45 43 43 39 37 38 43 44 42 40 42 43 40 40 RH 80 44 28 29 48 67 74 74 51 24 19 20 40 57 69 74 51 28 20 20 Wind dir SW SW W W W W W NW W NW NW N NE NW NW NW NW SE SE E Wind spd 4 5 10 12 8 9 9 9 5 6 8 9 6 4 4 4 3 5 8 6 Clouds SC FW FW SC SC FW FW FW FW FW FW FW SC FW FW FW CL CL FW FW PoP 12hr 10 10 0 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 83 49 81 49 83 48 85 Temp 62 52 75 82 59 49 72 80 59 50 76 82 57 49 78 83 Dewpt 42 43 48 47 50 46 48 43 43 42 44 40 41 39 40 38 PWind dir NE N NE SE SE N SE S Wind char LT GN GN LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC FW FW SC SC FW FW FW FW FW PoP 12hr 5 0 5 0 0 0 5 5 $$ MTZ319-302200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 841 AM MDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 83 52 86 53 88 Temp 57 70 80 82 72 65 60 54 58 74 83 86 73 67 59 54 59 75 84 87 Dewpt 53 51 48 46 44 45 46 45 47 44 41 39 43 45 44 44 48 42 41 40 RH 86 51 33 28 37 48 60 71 67 34 23 19 34 45 57 69 67 31 22 19 Wind dir N NE NW NW W SW W SW SW E E E S W W S SE E NE NE Wind spd 2 5 10 10 5 5 5 4 2 3 6 5 5 3 2 2 1 3 5 6 Clouds SC FW SC FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 56 87 56 82 54 85 53 85 Temp 69 57 75 86 69 56 73 82 66 55 73 85 66 54 73 84 Dewpt 42 43 45 41 46 45 50 42 45 43 45 40 43 41 43 40 PWind dir SE NE NW N NW NE NW SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 5 0 0 5 5 $$ MTZ326-302200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 841 AM MDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 47 84 48 86 Temp 56 70 77 78 67 58 53 49 56 72 82 82 69 60 54 49 57 74 84 85 Dewpt 51 48 44 42 43 46 45 42 43 41 36 35 37 39 38 38 41 40 39 38 RH 83 45 31 28 42 64 74 77 62 33 19 18 31 46 54 66 55 29 20 19 Wind dir E NW NW NW SE S S S SE NW NW N E SE SE SE SE NW NW N Wind spd 2 5 6 6 5 4 4 4 2 3 4 4 5 5 5 4 1 2 5 6 Clouds SC FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW CL FW FW PoP 12hr 10 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 86 51 81 49 82 48 84 Temp 64 51 74 85 64 52 72 80 60 50 74 80 60 49 75 81 Dewpt 44 41 43 41 45 43 47 44 45 41 46 39 42 38 42 38 PWind dir E NE E NE E SW E SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 5 0 0 5 5 $$ MTZ330-302200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 841 AM MDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 72 34 76 35 79 Temp 47 64 71 70 58 47 39 34 45 67 75 76 61 50 40 35 47 72 78 76 Dewpt 41 41 31 30 32 30 29 27 29 34 30 32 34 33 28 27 32 38 30 32 RH 79 43 23 22 37 51 67 75 53 29 19 20 36 52 62 72 56 29 17 20 Wind dir SE W W NW NW NE E SE S W W NW N NE E N N E NW NW Wind spd 1 5 10 10 3 1 1 1 1 2 4 4 2 2 1 0 0 2 5 5 Clouds FW FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW SC PoP 12hr 5 5 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 38 78 40 76 39 75 38 76 Temp 52 38 72 75 53 40 71 74 52 39 69 73 51 38 70 74 Dewpt 39 36 40 36 40 38 39 35 41 37 38 33 39 36 38 34 PWind dir NE N NE N NE NW N W Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW SC FW FW FW FW FW SC FW SC SC SC SC PoP 12hr 0 5 5 5 5 5 5 10 $$ MTZ328-302200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 841 AM MDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 44 80 45 83 Temp 54 69 76 76 63 55 50 45 53 69 78 80 66 56 49 45 53 70 80 81 Dewpt 48 43 38 38 40 38 36 34 37 39 34 34 34 31 29 27 32 38 37 37 RH 80 39 25 25 43 53 58 65 54 33 20 19 30 38 46 49 44 31 21 21 Wind dir SW SW N N E S S S SW SW NE NE E SE S S S N N N Wind spd 5 4 5 6 5 5 5 6 3 2 3 4 5 5 5 4 2 2 4 5 Clouds FW CL FW FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K H H H H H H H Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 82 48 81 47 80 48 81 Temp 58 48 71 81 58 48 71 80 58 48 72 78 58 49 73 79 Dewpt 39 38 45 44 41 40 47 45 43 39 47 43 43 40 46 45 PWind dir E W E W E W S SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW SC SC FW SC PoP 12hr 0 0 0 5 0 5 5 10 $$ MTZ305-302200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 841 AM MDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 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 86 53 87 Temp 61 68 73 76 63 58 54 51 59 75 83 83 69 62 56 53 61 80 86 84 Dewpt 58 59 55 55 56 54 50 49 50 52 49 48 53 52 49 50 50 53 49 49 RH 90 73 53 48 78 86 86 93 72 45 31 30 57 70 77 89 67 39 28 30 Wind dir SW SW W SE E SE SE SW SW W W NW NE S SW W W N N NE Wind spd 5 5 4 3 6 5 5 5 6 8 8 8 4 3 3 2 2 3 4 5 Clouds OV B2 SC FW FW SC FW FW FW CL CL FW FW FW FW FW CL CL FW FW PoP 12hr 30 5 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C Heat index 80 Max heat 83 80 80 84 Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 50 78 49 82 49 82 Temp 64 55 76 80 60 51 70 77 58 50 75 79 58 50 75 79 Dewpt 51 50 54 52 53 48 51 49 49 45 51 48 49 44 49 46 PWind dir E NE NE E SE W E SE Wind char LT LT GN LT LT LT LT LT Avg clouds FW SC SC SC SC B1 FW FW SC SC SC FW FW FW FW FW PoP 12hr 5 5 5 0 0 0 0 0 $$ MTZ314-302200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 841 AM MDT Sat Aug 30 2025 Date Sat 08/30/25 Sun 08/31/25 Mon 09/01/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 50 83 51 83 Temp 60 69 74 74 61 56 54 51 62 76 81 80 66 58 54 52 62 77 82 80 Dewpt 57 51 49 50 52 51 49 45 47 44 43 45 49 46 44 43 48 46 47 47 RH 90 53 41 43 72 83 83 80 58 32 26 29 54 64 69 71 60 33 29 31 Wind dir W W NW N SE S S S SW NW NW N SE S S S SW N N N Wind spd 3 5 6 5 5 5 5 5 4 5 6 5 4 4 4 3 2 3 5 5 Clouds B1 B1 SC FW FW FW FW FW CL CL FW FW FW FW FW FW FW CL CL CL PoP 12hr 30 10 0 0 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S Tstms S S Date Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 81 50 74 49 78 49 80 Temp 59 53 77 78 58 51 69 72 55 50 72 75 55 50 75 78 Dewpt 46 43 47 49 51 47 50 48 47 43 47 46 45 41 43 47 PWind dir SE E E E SE W SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC B1 SC FW FW SC SC FW FW FW FW FW PoP 12hr 5 10 10 5 0 0 5 5 $$ http://www.weather.gov/greatfalls