Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
963 FOUS55 KTFX 171427 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 826 AM MDT Sun Aug 17 2025 MTZ312-172200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 826 AM MDT Sun Aug 17 2025 Date Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 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 56 89 59 96 Temp 61 73 80 78 70 65 59 56 65 79 87 89 77 68 63 59 69 85 93 96 Dewpt 50 43 42 48 51 53 51 50 50 49 46 44 47 47 47 47 48 49 45 39 RH 67 34 26 35 51 65 75 80 58 35 24 21 35 47 56 64 47 29 19 14 Wind dir SW SW W SW S SW SW SW SW SW SW W NE SE SW SW SW W NE W Wind spd 3 4 6 9 6 8 5 4 4 4 6 9 5 5 4 5 3 3 5 8 Clouds SC SC SC B2 B2 SC FW FW SC SC SC FW FW FW FW FW CL CL FW FW PoP 12hr 30 30 20 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S Obvis H H Date Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 60 92 58 82 53 79 51 83 Temp 71 61 84 91 68 59 75 81 62 54 69 79 62 52 71 83 Dewpt 47 46 46 42 48 48 47 41 44 43 44 43 43 42 44 43 PWind dir N W W NW NE N E NW Wind char LT LT GN LT GN LT GN LT Avg clouds SC SC FW FW SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 0 5 5 5 0 0 0 $$ MTZ303-172200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 826 AM MDT Sun Aug 17 2025 Date Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 50 85 53 91 Temp 59 71 77 78 67 59 53 50 61 77 83 84 71 62 56 54 66 81 88 90 Dewpt 44 40 36 37 41 43 43 42 42 42 42 45 46 46 46 45 45 45 42 41 RH 57 32 23 23 39 55 69 74 49 29 24 26 41 56 69 71 47 28 20 18 Wind dir W W W W W W W W W S SW W W W W W W S SW SW Wind spd 9 10 11 11 8 5 5 4 4 9 10 12 6 5 5 5 4 6 10 11 Wind gust 21 21 20 Clouds FW B1 B1 SC SC FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 5 20 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 87 52 76 48 75 47 79 Temp 66 59 82 85 62 52 69 74 56 48 64 74 56 48 69 78 Dewpt 47 47 45 39 42 45 47 40 43 40 42 42 44 41 43 42 PWind dir W W W N NE NE E SE Wind char LT GN GN GN GN GN GN LT Avg clouds SC B1 SC FW FW SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 5 5 5 0 0 0 0 $$ MTZ319-172200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 826 AM MDT Sun Aug 17 2025 Date Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 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 55 89 58 94 Temp 62 73 78 75 69 64 60 56 60 76 85 88 78 70 63 58 64 82 91 94 Dewpt 59 47 43 49 52 52 52 51 52 53 47 43 46 47 47 47 48 47 39 34 RH 90 40 29 40 55 65 75 83 75 45 27 21 32 44 56 67 56 29 16 12 Wind dir SW NE SW SW SW SW W SW SE E SW SW N SW SW S SE SE SE NE Wind spd 2 4 8 9 5 2 3 2 2 5 8 8 5 3 2 2 2 5 8 8 Wind gust 18 18 Clouds B1 SC B2 B2 B1 SC FW SC SC B1 B1 SC FW FW FW FW CL CL FW SC PoP 12hr 60 30 40 5 0 QPF 12hr 0.21 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L C S C C Tstms S C C S Date Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 59 92 57 85 53 84 53 88 Temp 74 60 83 90 71 58 76 84 65 54 71 84 66 54 75 87 Dewpt 41 43 45 37 44 45 44 33 41 43 45 39 43 43 46 38 PWind dir NW W W NW NW N NW NE Wind char LT LT GN LT LT LT LT LT Avg clouds SC FW FW FW SC FW CL FW FW FW FW FW FW FW FW FW PoP 12hr 5 0 5 0 0 0 0 5 $$ MTZ326-172200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 826 AM MDT Sun Aug 17 2025 Date Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 50 89 53 97 Temp 60 75 81 74 65 59 54 50 59 76 86 88 74 65 59 53 65 84 94 95 Dewpt 47 46 44 53 51 52 49 48 48 48 44 41 43 45 42 41 41 38 29 29 RH 62 36 27 48 60 78 83 93 67 37 23 19 33 48 53 64 41 19 10 10 Wind dir SW NW S NW SE S S S S W SW W E SE SE SE S W W NE Wind spd 2 2 5 9 5 4 4 3 2 4 6 8 6 6 5 5 2 2 5 5 Wind gust 17 Clouds B1 SC B1 OV B1 SC SC SC SC SC B1 SC SC FW CL CL FW FW FW FW PoP 12hr 70 40 20 5 0 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S Tstms C C S Obvis H H H H Date Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 94 53 87 50 85 48 88 Temp 69 55 86 90 67 54 77 85 63 51 73 84 61 49 75 87 Dewpt 38 38 39 37 45 45 41 36 45 43 43 40 44 41 42 40 PWind dir SE W W W NE NE E NE Wind char LT LT LT LT GN LT GN LT Avg clouds FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 5 5 5 5 5 $$ MTZ330-172200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 826 AM MDT Sun Aug 17 2025 Date Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 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 78 40 82 40 86 Temp 51 70 75 72 60 52 44 40 52 77 82 81 67 56 45 40 55 81 86 84 Dewpt 44 37 32 41 44 46 43 40 42 39 30 30 32 34 33 32 35 29 23 21 RH 77 30 21 33 55 80 96100 69 25 15 16 27 43 62 73 47 15 10 10 Wind dir S SW SW W E N N S S SW SW SW S SE E E SE SW SW SW Wind spd 2 11 13 12 5 3 2 3 2 12 14 13 4 2 1 1 1 6 10 10 Wind gust 25 Clouds B1 SC B1 B2 B1 SC FW SC FW FW FW SC SC FW FW FW FW CL FW FW PoP 12hr 60 50 5 0 0 QPF 12hr 0.02 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms S C C Date Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 43 85 42 82 40 83 40 83 Temp 58 43 80 81 57 42 76 79 55 40 76 80 54 40 76 79 Dewpt 29 30 34 33 38 37 35 30 37 36 39 31 38 37 37 31 PWind dir S S S W NE W NE N Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC FW FW SC FW FW FW SC FW FW SC PoP 12hr 0 5 5 5 5 10 5 20 Rain shwrs S Tstms S $$ MTZ328-172200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 826 AM MDT Sun Aug 17 2025 Date Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 48 88 50 93 Temp 62 76 77 72 61 56 51 49 58 78 87 84 70 62 54 50 62 81 91 92 Dewpt 49 41 41 54 52 50 48 46 49 50 42 43 45 42 41 38 39 39 33 30 RH 62 28 28 53 72 80 89 89 72 37 21 24 41 48 61 63 43 22 13 11 Wind dir W W SW W SE N S S S SW SW W E S S S S SW SW S Wind spd 3 4 10 8 5 3 3 4 5 5 10 10 6 6 5 5 4 5 10 12 Clouds SC SC B2 B2 B1 SC FW SC FW SC SC SC SC FW CL FW CL CL FW FW PoP 12hr 80 30 20 0 0 QPF 12hr 0.13 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S D S S S S Tstms S C S S Date Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 90 50 86 47 86 47 88 Temp 65 52 82 87 62 50 77 85 60 48 74 85 59 48 76 86 Dewpt 32 33 39 40 44 42 43 33 38 38 45 38 40 38 44 41 PWind dir S SW W W N N NE W Wind char GN LT GN LT GN LT GN LT Avg clouds FW FW FW FW SC FW CL FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 0 0 10 $$ MTZ305-172200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 826 AM MDT Sun Aug 17 2025 Date Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 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 86 57 89 60 97 Temp 66 77 84 83 74 66 61 58 67 82 88 88 77 69 64 61 71 87 94 96 Dewpt 56 46 42 43 52 55 54 53 53 53 49 48 53 52 53 53 54 55 52 51 RH 70 33 23 24 46 68 78 83 61 37 26 25 43 55 67 75 55 34 24 22 Wind dir W W W W S W S SE SW SW SW SW E SE SE E W E E E Wind spd 6 9 9 6 5 4 3 3 3 5 6 6 5 5 3 2 2 4 5 6 Clouds SC SC SC SC B2 B2 SC FW FW SC SC FW FW FW FW FW CL FW FW FW PoP 12hr 10 10 20 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Date Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 61 92 57 80 50 78 51 81 Temp 72 62 86 90 68 58 74 77 58 51 69 77 59 52 74 79 Dewpt 54 54 54 47 53 51 49 44 47 43 45 46 47 45 49 47 PWind dir E N NW NW NE NE E E Wind char LT LT LT GN LT GN GN GN Avg clouds FW SC SC FW SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 5 10 5 5 0 5 0 $$ MTZ314-172200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 826 AM MDT Sun Aug 17 2025 Date Sun 08/17/25 Mon 08/18/25 Tue 08/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 53 85 58 91 Temp 62 74 78 73 64 59 56 54 64 79 84 83 70 63 60 59 70 86 91 89 Dewpt 53 46 46 56 57 55 51 49 52 52 50 49 55 52 49 47 50 48 43 42 RH 72 37 32 55 78 87 83 83 65 39 31 31 59 67 67 64 49 27 19 19 Wind dir W NW N SW SE SE S S SE SE W NW SE SE S S S SW SW E Wind spd 2 3 4 5 5 4 4 3 2 3 5 5 5 5 5 4 2 4 5 5 Clouds FW FW SC B2 OV B2 SC FW FW B1 B1 FW FW FW FW FW CL CL FW FW PoP 12hr 60 60 40 5 0 QPF 12hr 0.07 0.31 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L C C C Tstms S C Obvis H H Date Wed 08/20/25 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 59 89 55 77 50 75 49 78 Temp 67 60 84 86 66 56 71 76 59 51 67 74 58 50 71 77 Dewpt 44 43 48 47 50 47 46 44 46 43 47 47 45 42 46 47 PWind dir SE W W NW E E E SE Wind char LT LT LT LT LT LT GN LT Avg clouds FW FW FW FW SC SC FW FW SC FW FW FW FW FW FW FW PoP 12hr 5 5 10 10 20 10 5 5 Rain shwrs S $$ http://www.weather.gov/greatfalls