Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
682 FOUS55 KTFX 190241 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 841 PM MDT Fri Jul 18 2025 MTZ312-191000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 841 PM MDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 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 84 56 83 56 Temp 73 65 60 59 69 78 82 82 73 64 59 57 65 74 80 82 72 65 60 57 Dewpt 51 53 49 47 44 43 41 40 43 44 44 43 43 43 41 40 42 44 45 47 RH 46 65 67 64 40 29 23 22 34 48 57 59 45 33 25 22 34 46 58 69 Wind dir E E SW SW SW W W W W SW SW SW W W W W N N N NW Wind spd 12 9 8 8 10 13 16 16 10 5 5 5 8 8 9 10 9 6 5 5 Wind gust 26 Clouds FW SC SC B1 B2 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 PoP 12hr 0 5 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 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 54 76 53 82 56 89 56 90 Temp 69 72 60 54 68 75 59 54 73 81 65 57 83 85 65 57 84 87 Dewpt 51 50 53 51 52 51 50 48 50 48 48 44 45 43 45 40 41 38 PWind dir N N NW N SW W SW SW SW Wind char LT GN LT GN LT LT GN GN GN Avg clouds B2 B2 B2 B2 B1 B1 SC SC SC FW FW FW CL FW FW FW FW SC PoP 12hr 30 50 40 30 10 5 0 5 5 Rain shwrs C C C S C C Tstms S C S S $$ MTZ303-191000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 841 PM MDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 76 49 76 51 Temp 70 61 57 56 66 71 74 75 66 57 52 50 59 70 73 74 64 57 53 51 Dewpt 53 50 49 47 47 46 47 47 47 46 45 44 45 45 45 44 49 51 50 50 RH 55 67 75 72 50 41 38 37 50 67 77 80 60 41 37 34 58 80 89 96 Wind dir SE SE S W SW W W W W W W W NW W W NW N N N N Wind spd 11 10 5 6 13 19 19 18 11 8 5 5 6 10 11 12 10 6 5 6 Wind gust 29 31 28 21 Clouds B1 OV OV B2 B1 SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 PoP 12hr 20 10 5 10 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 49 67 47 77 51 83 53 82 Temp 62 64 54 49 62 66 53 47 70 76 59 52 77 82 61 54 77 81 Dewpt 52 52 52 49 52 53 51 47 50 48 48 44 44 45 43 41 41 42 PWind dir N N NW N SW W W W W Wind char LT LT GN GN GN GN GN GN GN Avg clouds B2 B2 OV B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW PoP 12hr 40 60 50 30 5 5 0 0 0 Rain shwrs S C L L C C C Tstms S C S S S $$ MTZ319-191000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 841 PM MDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 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 57 86 57 83 56 Temp 79 69 63 57 64 78 84 84 76 67 62 57 63 75 81 83 75 67 62 57 Dewpt 39 42 40 40 41 40 40 38 40 41 40 41 42 42 42 40 40 42 42 42 RH 24 37 43 53 43 26 21 19 27 39 44 55 46 31 25 22 28 40 48 57 Wind dir W W SW SW N W W W NW W W SW W NW NW NW N W W NW Wind spd 5 4 3 2 2 6 14 16 10 4 3 2 2 6 9 10 6 4 2 1 Wind gust 25 26 Clouds FW SC FW SC B2 B1 SC B1 B2 B1 B2 B1 B1 B1 B1 B2 B2 B2 B2 B1 PoP 12hr 0 5 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 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 54 80 53 87 56 89 56 89 Temp 71 76 63 55 72 79 63 54 76 86 67 57 80 88 68 57 81 87 Dewpt 46 47 50 48 49 47 48 46 48 44 44 42 44 41 41 40 43 38 PWind dir NW NW NW NW W W SW W SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B1 SC B1 SC SC SC FW FW FW CL FW FW FW FW FW PoP 12hr 30 40 40 20 10 5 5 5 5 Rain shwrs C C S C S Tstms S C S S $$ MTZ326-191000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 841 PM MDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 89 52 88 51 Temp 75 65 58 52 65 80 86 86 75 65 56 52 64 80 86 83 73 63 55 52 Dewpt 46 48 47 45 44 39 36 36 41 44 42 43 42 44 43 42 44 47 46 46 RH 36 54 67 77 46 23 17 17 29 46 59 71 45 28 22 24 35 56 72 80 Wind dir SE SE SE SE N W W NW NW SW S S W W W W N E E SE Wind spd 8 8 5 5 4 8 13 14 10 4 3 3 2 5 8 9 5 4 3 2 Wind gust 18 25 26 18 Clouds B1 SC FW FW FW B1 B1 B1 SC SC SC SC SC B1 B1 B2 B2 B2 B1 B1 PoP 12hr 30 5 5 10 10 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 50 84 50 87 52 90 53 90 Temp 76 80 60 51 76 79 61 51 76 85 63 52 82 86 65 53 82 86 Dewpt 46 46 51 49 50 46 51 48 48 45 47 45 45 40 45 43 43 39 PWind dir NW NE W E W E W SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 SC SC B1 SC FW FW FW SC FW FW FW FW FW FW FW PoP 12hr 20 20 30 20 10 10 5 5 5 Rain shwrs S S C S Tstms S S S S $$ MTZ330-191000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 841 PM MDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 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 42 80 42 80 43 Temp 62 53 46 42 56 73 78 77 67 56 47 42 56 75 79 77 67 56 47 43 Dewpt 46 47 45 42 44 40 34 31 32 33 33 33 33 35 33 35 35 37 37 37 RH 56 80 96100 64 30 20 18 27 42 58 70 42 23 19 22 30 49 68 79 Wind dir S S SE E SW SW SW W SW SW S SE SW SW SW SW SW S S N Wind spd 5 4 2 2 6 14 18 17 12 3 1 1 5 14 16 14 9 2 1 0 Wind gust 25 29 27 24 25 28 25 Clouds B1 SC SC FW FW FW B1 B1 SC FW FW FW FW FW SC B1 B1 B1 SC SC PoP 12hr 30 5 0 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms C Obvis K Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 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 43 79 42 80 42 82 43 82 Temp 75 78 55 43 74 76 54 42 75 78 55 42 77 79 55 43 77 79 Dewpt 36 35 41 40 40 36 40 40 39 36 40 38 37 36 40 38 36 36 PWind dir SW S S S SW S SW S S Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC SC B1 SC SC SC SC FW FW SC FW FW FW FW SC SC SC SC PoP 12hr 10 5 20 10 20 5 10 5 10 Rain shwrs S S Tstms S S $$ MTZ328-191000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 841 PM MDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 83 49 83 50 Temp 70 60 53 50 61 78 81 82 70 60 53 50 61 77 83 81 70 60 54 51 Dewpt 48 47 43 41 41 37 36 40 42 41 40 39 41 43 39 41 43 43 41 41 RH 45 62 69 71 48 23 20 22 36 49 61 66 48 30 21 24 38 53 61 68 Wind dir S S S S SW SW SW W W SW S S SW W W W N N NE SE Wind spd 9 8 8 8 10 17 21 19 12 6 5 5 5 9 14 13 10 8 5 5 Wind gust 33 29 Clouds SC SC FW SC B2 B2 B1 SC B1 SC SC B1 SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 30 5 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Obvis K K K Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 46 82 47 85 49 86 50 88 Temp 74 78 56 46 72 80 57 47 75 84 60 49 79 83 60 50 80 83 Dewpt 45 46 48 44 48 46 47 44 47 45 45 41 46 42 43 39 44 44 PWind dir W N W N SW W SW W SW Wind char LT GN LT GN LT GN LT GN LT Avg clouds B1 B1 B1 SC SC SC SC FW FW FW SC FW CL FW SC FW FW FW PoP 12hr 20 10 20 5 10 5 5 5 10 Rain shwrs S S Tstms S S $$ MTZ305-191000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 841 PM MDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 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 86 54 84 55 Temp 73 65 61 59 69 80 84 83 73 63 58 55 65 78 83 81 72 63 58 56 Dewpt 55 55 52 52 54 51 49 48 50 51 49 49 51 51 49 47 51 52 52 52 RH 53 70 72 78 59 36 30 30 44 65 72 80 60 39 31 30 48 67 80 86 Wind dir E E E E SW W W W NW SW SW SW W W W NW N NE N N Wind spd 10 10 10 10 9 8 11 13 8 4 4 5 8 10 11 10 6 4 3 4 Clouds FW SC SC B1 B1 B1 B1 SC SC SC SC B1 SC SC B1 B1 B1 B2 B2 B2 PoP 12hr 20 20 5 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Heat index 80 Max heat 80 83 80 81 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 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 77 53 75 51 82 54 89 56 90 Temp 73 75 60 54 70 73 58 52 73 81 63 55 83 87 66 57 85 87 Dewpt 53 53 54 53 55 55 54 51 53 52 52 49 53 47 50 47 48 42 PWind dir N N NW N SW SW SW SW W Wind char LT LT LT LT LT LT GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW FW PoP 12hr 20 60 60 30 10 10 5 5 5 Rain shwrs S C L L C C S Tstms S S S S $$ MTZ314-191000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 841 PM MDT Fri Jul 18 2025 Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 82 52 78 53 Temp 68 61 58 56 67 77 80 80 69 61 56 53 64 74 77 76 67 61 56 54 Dewpt 55 53 52 50 52 47 45 45 47 46 45 42 44 45 48 47 49 50 48 47 RH 63 75 80 80 59 35 29 29 45 58 66 66 48 35 36 36 52 67 74 77 Wind dir E E E SE W NW NW NW NW SW SW SW W W NW N E SE S S Wind spd 10 10 8 5 5 8 8 8 5 4 3 3 4 6 8 6 5 4 3 2 Clouds SC SC B1 B2 SC SC SC SC B1 B1 B1 SC SC SC B1 B2 B2 B2 OV B2 PoP 12hr 10 10 10 20 20 QPF 12hr 0 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S Tstms S S S S S Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 50 73 50 79 53 85 54 86 Temp 71 72 57 51 67 72 58 51 71 78 60 54 80 80 61 55 81 83 Dewpt 51 53 55 51 54 54 54 49 52 52 51 47 48 49 47 42 44 45 PWind dir SE NW N E W S W S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds B2 B1 B2 B2 B1 B1 B1 SC B1 B1 SC FW FW FW FW FW FW FW PoP 12hr 40 60 50 50 30 20 10 10 5 Rain shwrs C L C S C C S C S Tstms S C S S C S S S $$ http://www.weather.gov/greatfalls