Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
162 FOUS55 KTFX 200219 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 819 PM MDT Tue Aug 19 2025 MTZ312-201000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 819 PM MDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 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 60 92 54 81 52 Temp 81 72 64 60 69 84 90 86 74 66 60 56 60 71 77 79 69 62 56 52 Dewpt 46 49 49 49 50 49 48 48 49 48 46 48 48 47 43 41 42 42 41 41 RH 29 44 58 67 51 30 24 27 41 52 60 74 64 42 30 26 37 48 57 66 Wind dir N N W SW W N S NW N W W NW N N N NE NE NE N N Wind spd 8 10 8 5 6 5 6 12 9 5 5 5 5 5 6 10 10 10 8 6 Clouds SC B1 SC SC FW FW FW SC SC SC SC FW FW FW FW FW FW CL FW FW PoP 12hr 30 20 20 0 5 QPF 12hr 0.02 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S S Tstms S C S S S Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 50 82 51 84 53 85 54 87 Temp 68 77 59 51 71 80 62 52 73 83 63 54 76 83 63 54 77 86 Dewpt 41 42 40 41 42 42 44 43 44 43 44 43 44 40 43 42 43 39 PWind dir NE NE NE NE NW E NW E NW Wind char GN GN LT GN LT GN LT GN LT Avg clouds FW FW CL CL FW CL FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 0 0 5 5 $$ MTZ303-201000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 819 PM MDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 86 48 77 47 Temp 76 68 64 59 66 80 84 82 69 59 53 49 55 66 74 75 64 55 50 47 Dewpt 47 49 50 48 47 45 41 42 42 43 44 45 45 45 41 37 39 39 39 39 RH 36 51 60 67 50 29 22 24 37 55 71 86 69 47 30 25 40 55 66 74 Wind dir NW SW W W W W W W W NW NW NW NW S NW NW NE N N NW Wind spd 8 6 8 8 9 12 17 21 12 10 10 10 6 5 8 10 10 8 6 5 Wind gust 27 Clouds SC OV B2 SC FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 50 20 0 0 0 QPF 12hr 0.02 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S Tstms S C C S Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 46 77 48 80 49 81 51 82 Temp 64 72 54 46 67 75 57 48 69 79 59 50 73 80 59 51 75 80 Dewpt 41 40 41 40 43 42 41 41 44 43 44 42 44 41 43 42 46 42 PWind dir NE E E E SE SE E SE S Wind char GN GN GN GN LT GN LT LT LT Avg clouds FW CL FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 0 0 5 5 $$ MTZ319-201000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 819 PM MDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 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 60 92 56 85 53 Temp 81 73 65 60 66 80 89 87 76 70 62 57 61 74 82 83 73 65 58 53 Dewpt 41 44 44 47 49 51 48 47 46 46 44 43 46 46 42 38 39 40 39 40 RH 24 35 46 62 54 36 24 25 34 42 52 59 58 37 24 20 29 40 49 61 Wind dir W W W W NW N NW W W W W W N N N N N NW NW NW Wind spd 5 6 5 3 3 4 9 14 9 8 5 3 3 5 9 10 6 5 4 4 Clouds SC SC FW SC FW FW FW SC SC SC SC FW FW FW FW FW CL CL FW FW PoP 12hr 20 20 20 0 0 QPF 12hr 0.01 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Heat index 80 Max heat 84 80 88 82 81 Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 82 51 85 53 87 55 87 54 87 Temp 69 81 64 51 72 83 66 53 74 86 68 55 77 85 67 55 76 86 Dewpt 44 42 42 42 46 41 43 43 46 39 43 43 47 39 41 43 45 39 PWind dir N NW N NW NE NW NE NW E Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW CL FW FW FW FW FW FW FW SC FW FW FW FW FW FW SC PoP 12hr 0 0 0 0 5 0 5 5 20 Rain shwrs S Tstms S $$ MTZ326-201000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 819 PM MDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 93 51 86 49 Temp 79 68 62 56 63 81 90 89 75 65 59 53 62 76 84 84 71 63 55 50 Dewpt 35 35 36 37 40 43 42 44 46 49 47 46 47 46 43 41 41 45 43 42 RH 20 29 38 49 43 26 19 21 36 56 64 77 58 34 24 22 34 52 64 74 Wind dir SE SE S S SW NW NW NW W SW SW S NW NW NW N NE E E E Wind spd 9 10 6 5 3 4 6 10 8 4 3 2 2 4 6 9 9 8 6 5 Wind gust 17 Clouds FW FW FW FW FW SC FW B2 B1 SC FW FW FW FW FW FW FW CL CL CL PoP 12hr 0 20 20 5 5 QPF 12hr 0 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S Tstms S S Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 47 86 48 86 50 87 49 86 Temp 72 82 61 48 73 83 62 49 77 83 64 51 77 84 62 50 78 82 Dewpt 44 43 44 41 43 40 44 42 45 40 44 42 44 40 44 42 45 39 PWind dir NE E NE E NE E N E NE Wind char LT GN LT GN LT GN LT GN LT Avg clouds FW CL FW FW FW FW SC FW FW SC SC FW FW FW SC FW FW FW PoP 12hr 0 0 0 5 5 10 20 20 20 Rain shwrs S S S Tstms S S S $$ MTZ330-201000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 819 PM MDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 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 47 85 41 81 39 Temp 72 60 51 47 60 81 84 82 70 59 48 42 54 76 81 79 66 54 45 39 Dewpt 31 31 30 32 36 37 37 38 38 40 38 38 41 41 33 33 36 38 38 37 RH 22 33 44 56 41 21 19 21 31 49 68 86 61 28 18 19 33 54 76 92 Wind dir S SE SE SE S SW SW SW S N N NE NE W W W N NE NE NE Wind spd 5 5 3 2 2 12 17 14 6 2 2 1 1 4 10 9 5 4 2 1 Wind gust 27 25 Clouds FW FW FW FW B1 SC B1 SC SC SC SC SC FW FW FW FW SC SC FW FW PoP 12hr 0 20 20 5 5 QPF 12hr 0 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 82 37 82 41 81 40 79 40 78 Temp 75 79 54 37 75 78 55 41 75 75 54 40 74 76 53 40 73 73 Dewpt 38 30 40 36 38 32 38 37 38 37 40 38 39 37 41 39 40 38 PWind dir N NE NW NE NW NE NW NE W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC FW FW SC SC SC B1 B2 SC SC B1 B1 B1 SC B1 PoP 12hr 5 0 5 10 30 30 30 20 30 Rain shwrs C C C S S C Tstms S S S S S $$ MTZ328-201000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 819 PM MDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 90 48 84 47 Temp 77 66 59 54 63 80 88 87 71 60 54 50 59 74 81 82 68 59 51 48 Dewpt 32 34 33 35 39 42 38 41 46 47 45 43 46 47 42 40 41 40 39 38 RH 19 30 37 48 41 26 17 20 41 62 71 77 62 38 25 22 37 49 63 68 Wind dir S S S S SW W SW W N NW W W N N NW N N NE NE NE Wind spd 12 10 6 6 4 3 11 11 10 8 6 5 3 3 4 6 8 9 6 5 Wind gust 21 Clouds FW FW SC SC FW FW SC B2 B1 SC FW FW CL FW FW FW FW FW FW FW PoP 12hr 0 20 5 0 0 QPF 12hr 0 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 45 85 48 84 49 84 48 83 Temp 71 82 59 46 73 83 60 49 76 82 60 49 76 82 59 48 76 80 Dewpt 43 39 42 40 45 39 40 39 45 43 44 41 44 42 43 40 45 42 PWind dir NE NE N NE N E NW E W Wind char LT GN LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC SC SC SC B1 FW FW SC SC SC FW SC PoP 12hr 0 0 0 5 20 10 20 20 20 Rain shwrs S S S S Tstms S S S S $$ MTZ305-201000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 819 PM MDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri 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 62 93 53 79 50 Temp 78 70 67 63 70 87 92 89 75 66 60 56 61 71 77 77 66 58 53 51 Dewpt 54 55 56 55 54 54 51 52 55 54 51 51 50 47 45 43 45 45 43 43 RH 43 59 68 75 57 32 25 28 50 65 72 83 67 42 32 30 47 62 69 74 Wind dir E E N SE W W NW NW W W NW NW NW NW NW NW NE NE N NW Wind spd 8 6 8 6 6 9 9 10 9 6 8 8 9 9 9 9 5 5 5 5 Clouds FW B1 B2 SC SC FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 40 20 20 0 0 QPF 12hr 0.03 0.01 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S Tstms C C S S Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 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 49 79 51 81 52 84 53 84 Temp 69 76 57 50 72 77 59 51 74 80 61 53 76 82 62 54 78 82 Dewpt 44 44 45 43 45 44 46 44 47 47 47 44 47 44 47 45 48 44 PWind dir N NE E E E E E E E Wind char GN GN GN GN GN GN LT LT LT Avg clouds FW FW FW FW CL CL FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 0 0 5 0 $$ MTZ314-201000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 819 PM MDT Tue Aug 19 2025 Date 08/19/25 Wed 08/20/25 Thu 08/21/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 88 53 76 50 Temp 75 69 63 58 68 80 87 85 70 64 59 55 60 69 74 74 63 58 53 50 Dewpt 49 45 44 46 50 53 53 54 56 56 51 49 50 49 47 46 46 46 44 42 RH 40 42 50 64 52 39 31 35 61 75 75 80 69 49 38 37 54 64 71 74 Wind dir SE SE SW SW W NW NW N W W W W NW NW N N NE E E SE Wind spd 8 9 5 6 5 8 8 6 5 5 5 5 5 6 8 8 6 5 4 3 Clouds FW FW FW FW FW FW FW B1 B2 B1 B1 SC SC FW FW FW FW FW FW FW PoP 12hr 0 10 40 20 5 QPF 12hr 0 0 0.07 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C S S Tstms C C C C Heat index 80 Max heat 82 80 86 81 Date 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 47 77 48 78 50 79 50 81 Temp 65 73 55 48 69 74 57 49 71 77 58 51 74 77 59 51 76 79 Dewpt 43 44 42 40 44 45 44 41 45 47 44 41 46 44 45 41 46 44 PWind dir NE E E E SE SE E SE E Wind char LT GN LT GN LT GN LT LT LT Avg clouds FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 0 0 0 0 5 5 5 5 $$ http://www.weather.gov/greatfalls