Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
866 FOUS55 KTFX 151422 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 822 AM MDT Tue Jul 15 2025 MTZ312-152200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 822 AM MDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 53 46 70 48 80 Temp 49 49 52 50 49 48 47 47 50 59 66 69 63 55 52 49 58 71 78 79 Dewpt 49 49 50 47 46 45 44 44 47 48 48 47 49 48 46 44 48 51 49 49 RH 100100 93 89 89 89 89 89 89 67 52 45 60 77 80 83 69 49 36 35 Wind dir NE NE NE NE NE NE NE NE E E E E E SE S S SW N N N Wind spd 23 21 20 18 16 11 10 6 6 5 8 10 9 6 6 4 4 5 10 12 Wind gust 32 31 Clouds OV OV OV OV OV OV B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 100 70 10 0 5 QPF 12hr 0.48 0.10 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain L C C S Rain shwrs D D L Tstms S S S Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 80 55 89 57 87 57 83 Temp 60 52 68 79 63 56 80 87 65 57 79 86 66 57 78 81 Dewpt 51 48 51 49 50 48 49 43 47 44 42 40 43 42 43 39 PWind dir N NW E SW W W W W Wind char GN LT GN LT GN GN GN GN Avg clouds FW SC SC FW FW FW FW SC SC FW SC SC SC SC SC SC PoP 12hr 5 0 0 10 5 10 5 10 $$ MTZ303-152200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 822 AM MDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 52 40 67 46 73 Temp 48 49 51 51 49 45 43 40 48 57 63 66 59 53 49 47 56 68 71 69 Dewpt 48 47 48 46 45 44 42 40 44 47 49 51 50 49 48 46 50 52 53 53 RH 100 93 89 83 86 96 96100 86 69 60 58 72 86 96 96 80 57 53 57 Wind dir N NE NE E NW W W SW S SE SE SE SE SE SE E E NE N N Wind spd 18 17 14 11 8 4 3 3 9 14 16 16 13 11 5 3 5 9 11 11 Wind gust 27 26 Clouds OV OV OV OV OV B2 SC SC SC B1 SC FW SC SC SC SC SC FW SC SC PoP 12hr 100 20 5 0 20 QPF 12hr 0.50 0.02 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain D L S S Rain shwrs C S S Tstms S S S Obvis PF PF Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 75 50 82 52 80 51 76 Temp 53 47 65 74 58 51 75 79 60 53 74 77 59 52 71 72 Dewpt 51 47 50 51 50 47 47 46 46 43 46 45 45 43 46 45 PWind dir N NE SE SW W W W W Wind char GN LT LT GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC B1 B1 SC SC SC B1 SC SC PoP 12hr 10 0 5 10 10 10 10 20 Rain shwrs S Tstms S $$ MTZ319-152200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 822 AM MDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 58 47 75 49 87 Temp 56 54 56 55 53 51 51 48 51 61 70 74 69 60 53 50 59 75 84 86 Dewpt 51 49 49 45 44 46 47 46 46 46 44 43 43 46 43 43 45 46 42 39 RH 83 83 77 69 71 83 86 93 83 58 39 33 39 60 69 77 60 36 23 19 Wind dir NW N N N N NW NW W W SE E E E SE S S SE NW NW NW Wind spd 17 19 23 20 17 10 8 4 3 3 8 10 6 5 5 4 4 6 11 13 Wind gust 21 Clouds OV OV OV OV OV OV OV B2 B2 SC FW FW CL CL FW FW CL FW FW CL PoP 12hr 90 70 10 0 5 QPF 12hr 0.14 0.06 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L L C S Rain shwrs L D C Tstms C C C Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 55 92 56 88 55 86 Temp 66 53 73 86 66 55 80 89 69 56 78 87 68 56 76 85 Dewpt 47 45 47 41 45 45 46 40 41 41 40 38 41 40 40 38 PWind dir NW N NW S W W W W Wind char GN LT LT LT LT LT GN LT Avg clouds CL FW FW FW FW FW FW FW SC FW FW SC SC SC SC SC PoP 12hr 0 5 0 5 5 10 5 10 $$ MTZ326-152200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 822 AM MDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 67 47 75 45 89 Temp 59 63 65 58 54 52 50 47 53 62 70 72 63 55 48 45 58 76 85 88 Dewpt 50 51 53 50 46 48 48 47 47 46 44 43 44 46 44 43 43 45 42 39 RH 72 65 65 75 74 86 93100 80 56 39 35 50 72 86 93 57 33 22 18 Wind dir W NW W S W W W W W N E E E E E SE SW W W NW Wind spd 8 9 12 13 12 10 8 5 4 3 6 9 10 10 6 4 3 5 9 12 Wind gust 19 Clouds OV OV OV OV OV OV OV B2 B1 B1 FW FW FW FW FW FW CL FW FW FW PoP 12hr 80 80 20 0 5 QPF 12hr 0.16 0.25 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S C S S S Rain shwrs S C D L Tstms S C C S Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 88 51 92 52 91 51 88 Temp 63 49 77 83 63 51 81 88 65 52 82 86 64 51 78 86 Dewpt 46 44 48 43 49 46 46 39 44 43 44 38 44 42 41 39 PWind dir E W SE SW S W SW W Wind char LT LT LT LT GN LT GN LT Avg clouds FW FW FW FW SC FW FW FW SC SC SC SC B1 SC SC SC PoP 12hr 5 10 5 10 5 10 5 10 $$ MTZ330-152200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 822 AM MDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 76 40 75 37 82 Temp 56 73 73 64 55 48 44 41 48 65 72 75 63 50 41 37 52 72 80 81 Dewpt 45 45 46 51 49 48 43 41 45 45 39 38 41 42 38 36 36 35 32 35 RH 66 37 38 63 80100 96100 89 48 30 26 44 74 89 96 54 26 17 19 Wind dir N SW W NE N N N N NE E W W SW NE E SE SW SW SW W Wind spd 2 10 17 9 9 8 4 2 3 4 8 8 3 2 2 1 4 11 13 11 Wind gust 24 21 Clouds FW SC OV OV B2 B2 B1 B1 SC FW FW FW FW FW FW FW FW CL FW FW PoP 12hr 100 70 10 0 5 QPF 12hr 0.23 0.11 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C S Rain shwrs D L C Tstms C C S Obvis PF Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 41 81 41 82 41 80 41 78 Temp 55 41 76 78 54 41 76 79 56 41 75 78 55 41 73 76 Dewpt 40 37 38 37 43 39 40 34 40 38 39 34 38 36 37 32 PWind dir S SW SE SW SW SW SW SW Wind char LT LT LT LT LT GN GN GN Avg clouds SC FW FW SC SC FW FW SC SC FW FW FW SC SC SC SC PoP 12hr 5 20 10 10 5 10 5 10 Rain shwrs S Tstms S $$ MTZ328-152200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 822 AM MDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 69 46 76 45 87 Temp 57 65 67 60 52 48 47 46 50 62 71 75 65 55 48 45 59 77 85 87 Dewpt 53 54 55 54 48 47 45 45 46 49 46 44 44 44 42 41 43 43 39 40 RH 86 68 65 81 86 96 93 96 86 62 41 33 46 66 80 86 55 30 20 19 Wind dir NE NE N N NE NE NE NE NE N N N NE E S S SW SW W W Wind spd 11 12 23 24 23 18 13 10 6 3 5 6 6 5 5 5 5 8 13 13 Wind gust 24 Clouds B2 B2 B2 B2 OV OV B2 B2 B1 FW FW CL CL CL FW CL CL CL FW FW PoP 12hr 60 40 10 0 5 QPF 12hr 0.09 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S S S Rain shwrs C C Tstms C S Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 87 49 88 50 87 49 84 Temp 60 48 79 83 60 49 81 86 61 50 78 86 60 49 76 83 Dewpt 40 38 45 45 44 40 41 40 40 37 39 39 40 38 39 39 PWind dir NW SW E SW SW SW W SW Wind char GN LT LT GN GN GN GN GN Avg clouds FW FW FW FW SC FW FW FW SC FW FW SC B1 SC FW SC PoP 12hr 0 10 0 5 5 5 5 5 $$ MTZ305-152200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 822 AM MDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 60 46 70 48 79 Temp 54 57 59 57 55 51 49 47 54 64 68 69 62 54 52 49 59 72 77 75 Dewpt 52 52 52 51 50 50 48 46 48 48 48 48 47 48 48 47 49 53 53 52 RH 93 83 78 80 83 96 96 96 80 56 49 47 58 80 86 93 69 51 43 45 Wind dir NE NE E E SW SW S E SE SE SE SE SE SE E E SE SE E N Wind spd 16 14 13 11 8 5 4 4 5 9 10 12 12 10 10 9 9 8 8 10 Clouds OV OV OV OV OV OV B2 B1 SC B2 B2 SC FW FW SC SC FW SC SC SC PoP 12hr 80 50 10 0 10 QPF 12hr 0.23 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain L D L C C S Rain shwrs S Tstms S Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 53 89 56 87 54 84 Temp 58 52 71 79 61 54 80 86 66 57 80 86 64 55 78 82 Dewpt 52 50 52 52 52 50 54 51 53 50 51 49 51 48 49 48 PWind dir N NW E SE S W NW W Wind char GN LT LT LT GN GN LT GN Avg clouds SC SC B1 SC FW FW SC SC SC B1 SC SC SC SC SC SC PoP 12hr 20 5 5 10 20 20 10 10 Rain shwrs S S S Tstms S S S $$ MTZ314-152200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 822 AM MDT Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 53 43 63 43 77 Temp 50 50 52 50 47 48 47 45 48 53 60 62 55 50 46 44 56 71 76 75 Dewpt 50 50 50 49 47 48 46 45 47 48 48 47 49 48 46 43 48 52 51 51 RH 100100 93 96100100 96100 96 83 64 58 80 93100 96 74 51 42 43 Wind dir E E E NE NE NE NE E E E SE SE SE SE SE S SE SE N N Wind spd 11 12 13 12 11 6 5 6 5 8 10 11 10 8 6 5 4 4 8 6 Clouds OV OV OV OV OV OV OV OV B2 B1 B1 SC SC FW FW FW CL CL FW FW PoP 12hr 100 100 40 5 5 QPF 12hr 0.49 0.35 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain L L C C C S S Rain shwrs L D L D S Tstms S C C S S Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 76 51 85 54 82 52 80 Temp 57 49 68 75 59 52 78 81 62 55 77 80 61 53 75 77 Dewpt 53 49 53 53 53 48 52 52 51 47 47 46 49 44 46 45 PWind dir E NW SE SE SE W S W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC FW FW FW FW SC B1 SC SC SC B1 B1 SC SC PoP 12hr 20 10 10 20 20 20 20 10 Rain shwrs S S S S S Tstms S S S S S $$ http://www.weather.gov/greatfalls