


Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
186 FOUS55 KTFX 170805 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 205 AM MDT Thu Jul 17 2025 MTZ312-172200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 205 AM MDT Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 82 55 89 Temp 53 50 60 72 79 80 69 61 56 54 59 70 79 82 73 64 59 56 68 83 88 86 Dewpt 47 45 48 50 48 48 50 51 50 50 50 52 49 47 50 50 48 47 48 46 42 40 RH 80 83 64 46 34 33 51 70 80 86 72 53 35 29 44 60 67 72 49 27 20 20 Wind dir S S SW NW NW N N N NW W W E NE NE E SE S SW SW W W W Wind spd 5 5 5 5 10 12 10 8 5 3 2 3 6 10 10 6 6 6 8 10 12 13 Wind gust 23 24 Clouds FW FW FW CL FW SC SC SC SC SC SC FW FW FW FW FW FW SC SC SC B1 SC PoP 12hr 5 5 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 57 85 54 80 54 77 52 78 Temp 66 57 78 84 64 55 74 77 61 55 68 75 59 53 67 77 Dewpt 42 40 40 39 44 44 47 46 50 49 50 49 50 47 50 50 PWind dir W W W NW N NW N N Wind char GN GN GN LT GN LT GN LT Avg clouds SC SC SC SC B1 SC B1 B1 B2 B1 B1 B1 B1 B1 B1 SC PoP 12hr 5 5 10 20 30 30 20 20 Rain shwrs S C S S C S S Tstms S S $$ MTZ303-172200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 205 AM MDT Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 47 77 52 80 Temp 49 46 54 65 69 68 60 54 49 47 55 66 74 76 69 61 55 52 64 75 79 77 Dewpt 48 46 49 51 52 53 53 52 49 47 50 52 52 51 52 50 49 47 47 46 46 43 RH 96100 83 60 55 59 78 93100100 83 61 46 42 55 67 80 83 54 36 31 30 Wind dir E NE NW N NW N N NW NW NW SE SE SE E E SE S SW SW SW W W Wind spd 3 2 4 8 10 11 10 6 5 4 4 6 8 10 10 9 5 5 10 16 17 18 Wind gust 26 27 28 Clouds FW SC B1 SC B1 B1 B1 SC B1 SC SC SC FW FW SC SC B1 B1 B1 B1 B1 SC PoP 12hr 40 30 5 5 10 QPF 12hr 0.06 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C Tstms C C Obvis PF F Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 78 49 72 49 68 46 69 Temp 60 51 72 76 57 49 67 70 55 50 62 63 51 46 61 68 Dewpt 44 42 43 44 48 47 49 49 52 49 50 50 48 46 48 49 PWind dir W W NW NW N N N N Wind char GN GN GN GN GN GN GN LT Avg clouds SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 B2 B1 PoP 12hr 5 5 10 20 40 40 30 20 Rain shwrs S C C C C C S S Tstms S S $$ MTZ319-172200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 205 AM MDT Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 88 53 88 55 90 Temp 55 49 59 76 85 87 77 66 59 54 60 75 86 88 78 67 61 56 64 82 89 87 Dewpt 45 43 45 43 39 39 42 46 46 46 48 47 42 40 42 45 44 43 45 46 40 38 RH 69 80 60 31 20 18 29 48 62 74 64 37 21 19 28 45 53 62 50 28 18 18 Wind dir SW W NE W W NW NW W W W N NE N N SE SW S S S W W W Wind spd 4 3 2 8 13 14 11 6 2 2 1 3 8 10 5 3 3 3 3 8 13 14 Wind gust 24 26 24 Clouds FW CL CL CL CL CL FW FW FW SC FW CL FW FW FW FW FW SC SC SC SC SC PoP 12hr 5 5 5 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 56 86 55 81 53 81 53 82 Temp 69 56 77 85 67 55 73 79 64 53 73 78 63 53 72 80 Dewpt 40 39 40 39 42 42 44 45 47 46 48 46 47 46 47 46 PWind dir W W W W NW NW NW NW Wind char GN LT LT LT LT LT LT LT Avg clouds SC SC SC SC B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC SC PoP 12hr 5 5 10 20 30 30 20 20 Rain shwrs S C C S S Tstms C S $$ MTZ326-172200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 205 AM MDT Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 49 90 52 92 Temp 50 46 59 77 87 87 75 64 54 49 61 79 88 85 74 64 56 52 65 81 89 90 Dewpt 46 44 44 45 41 37 40 44 44 44 44 47 45 42 48 48 48 47 44 43 38 37 RH 86 93 57 32 20 17 28 48 69 83 53 32 22 22 40 56 74 83 46 26 17 15 Wind dir S S N NW W NW N S S S W W NW S SE SE SE SE SW W W W Wind spd 5 3 2 5 10 13 9 5 4 2 1 3 5 6 8 8 5 5 5 8 13 16 Wind gust 20 18 24 26 Clouds FW FW CL FW FW FW FW CL CL FW FW FW FW B1 SC FW FW FW FW SC SC SC PoP 12hr 5 5 10 10 10 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Obvis PF K Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 90 52 85 50 85 50 86 Temp 66 53 81 85 64 52 77 81 62 50 75 80 61 50 77 82 Dewpt 43 42 42 38 46 44 45 42 48 46 46 45 49 46 48 43 PWind dir SW W W SW NE W E W Wind char GN LT GN LT GN LT GN LT Avg clouds SC FW FW SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC PoP 12hr 5 10 10 10 20 20 20 20 Rain shwrs S S S S Tstms S S $$ MTZ330-172200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 205 AM MDT Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 41 81 43 81 Temp 43 39 54 73 79 80 68 55 45 41 56 76 80 76 64 54 46 43 56 76 80 77 Dewpt 39 37 35 35 32 36 37 39 38 37 39 38 37 42 44 45 43 41 43 41 37 37 RH 86 92 48 25 18 20 32 55 76 85 53 25 21 30 48 71 89 93 62 28 21 24 Wind dir NE E SW SW W W W W N N SW SW SW W S S S S SW SW SW SW Wind spd 2 2 4 10 13 13 5 2 0 0 1 9 11 10 5 3 2 2 4 11 14 13 Wind gust 25 25 24 Clouds FW FW FW CL FW FW SC FW FW FW SC SC B1 B1 B1 SC FW FW FW SC SC SC PoP 12hr 5 5 30 20 20 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S S Tstms S Obvis PF Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 42 80 42 79 42 78 41 79 Temp 56 42 74 76 56 42 74 76 54 42 72 75 53 41 74 76 Dewpt 38 37 37 34 38 38 38 34 40 38 40 37 41 39 39 35 PWind dir SW SW SW SW S SW S S Wind char GN GN GN GN GN GN GN LT Avg clouds SC FW FW SC B1 SC SC SC SC B1 SC SC SC SC SC SC PoP 12hr 5 10 10 10 20 20 10 10 Rain shwrs S S Tstms S $$ MTZ328-172200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 205 AM MDT Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 47 87 50 88 Temp 49 45 59 78 84 86 72 59 52 47 60 79 86 81 71 59 53 50 63 82 87 86 Dewpt 43 41 44 42 38 37 39 39 37 37 40 45 44 49 46 46 44 42 43 42 37 36 RH 80 86 57 28 19 18 30 47 56 68 47 30 23 33 41 62 71 74 48 24 17 17 Wind dir S S SW W W W N NE S S W W W SW SE S S S SW SW SW W Wind spd 5 5 4 6 13 13 10 5 5 4 2 4 10 10 8 6 6 6 9 14 19 18 Wind gust 24 29 Clouds FW CL CL CL FW FW FW FW FW FW FW FW SC SC SC FW FW FW FW SC SC FW PoP 12hr 5 5 10 5 5 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Obvis K Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 85 50 82 47 82 47 83 Temp 62 51 79 82 61 51 76 78 57 48 75 80 58 47 75 82 Dewpt 40 37 41 40 41 39 44 44 45 43 46 44 46 43 47 44 PWind dir SW SW SW SW N SW N SW Wind char GN GN GN GN GN GN GN LT Avg clouds FW SC SC SC B1 B1 B1 B1 B1 B1 SC B1 B1 SC FW FW PoP 12hr 0 10 10 20 20 20 10 10 Rain shwrs S S S Tstms S $$ MTZ305-172200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 205 AM MDT Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 52 79 55 88 Temp 52 49 60 73 78 77 67 59 55 53 60 72 77 79 72 64 59 56 67 82 87 84 Dewpt 48 47 50 53 53 54 54 55 54 52 54 55 54 53 54 54 52 51 54 55 53 51 RH 86 93 69 49 42 45 63 87 96 96 81 55 45 41 53 70 78 83 63 40 31 32 Wind dir E E E E NW NE NE N W W N NE E E E E E SE SE SW W W Wind spd 10 10 9 6 8 10 8 5 5 5 4 5 5 8 9 10 9 8 8 8 9 10 Clouds SC SC SC SC SC B1 SC SC SC B2 B1 SC SC FW FW FW FW SC B1 SC B1 SC PoP 12hr 40 50 5 5 20 QPF 12hr 0.02 0.09 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S S S S Tstms S C S S Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 85 52 81 52 78 50 75 Temp 64 55 79 83 62 53 76 77 61 53 71 75 59 51 68 74 Dewpt 51 48 49 45 49 48 52 52 53 51 53 52 52 49 51 51 PWind dir W W NW NW SW N N N Wind char LT GN LT LT LT GN GN LT Avg clouds SC SC SC SC SC SC SC B1 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 20 5 10 20 30 40 30 20 Rain shwrs S S S C C C C C S S Tstms S S C S S $$ MTZ314-172200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 205 AM MDT Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 49 78 53 86 Temp 47 44 57 71 76 77 65 56 51 50 57 68 76 78 67 61 56 54 68 82 86 82 Dewpt 47 44 48 50 50 49 52 52 51 49 52 53 52 51 54 53 51 49 52 50 47 48 RH 100100 72 47 40 37 63 86100 96 83 59 43 39 63 75 83 83 57 33 26 31 Wind dir SE SE E NW NW N N SE SW W W E N E SE SE SE S S W W NW Wind spd 6 5 3 5 8 8 5 4 3 3 3 4 5 8 9 9 5 5 4 5 8 8 Clouds FW FW CL CL FW FW FW FW SC SC B1 FW FW FW SC SC FW FW FW SC SC SC PoP 12hr 10 10 5 10 20 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 82 52 79 49 76 49 75 Temp 62 53 75 81 61 53 74 76 58 50 69 72 57 50 68 74 Dewpt 48 42 43 46 49 45 48 50 52 48 52 52 52 48 51 52 PWind dir W W W W SW NW N NW Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC FW SC B1 B1 SC SC B1 B2 B1 B1 B1 B1 B1 B1 PoP 12hr 20 10 20 20 40 30 40 30 Rain shwrs S S S S C S C C C Tstms S S S C $$ http://www.weather.gov/greatfalls