Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
463 FOUS55 KTFX 192016 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 216 PM MDT Sat Jul 19 2025 MTZ312-201000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 216 PM MDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 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 81 56 69 55 Temp 82 81 71 63 58 56 64 74 79 79 73 64 59 57 60 64 67 67 61 58 55 56 Dewpt 40 44 46 48 48 46 46 44 43 41 44 47 49 50 52 49 48 48 49 52 52 52 RH 22 27 41 58 69 69 52 34 28 26 35 54 69 77 75 58 50 50 65 80 90 86 Wind dir W NW NW E SW SW SW W W W N N N N N N N NE NE N N NW Wind spd 18 18 9 4 5 4 5 8 9 10 9 8 6 6 8 9 11 11 9 6 5 5 Clouds B1 B1 B2 SC SC SC B1 B1 OV OV OV B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 5 10 20 30 60 QPF 12hr 0 0 0 0.02 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C S Tstms S S C C Obvis H Date 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 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 49 80 53 89 57 92 58 89 Temp 68 73 56 50 68 80 61 54 81 88 65 58 85 89 67 59 82 86 Dewpt 50 49 48 45 49 45 45 42 41 39 41 40 40 38 43 41 43 40 PWind dir NW N W S SW SW SW SW W Wind char GN GN LT LT GN GN GN GN LT Avg clouds B1 B1 B1 B1 SC SC FW CL CL CL FW FW FW FW SC B1 SC SC PoP 12hr 40 20 20 5 5 0 0 0 5 Rain shwrs S C S S Tstms S S $$ MTZ303-201000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 216 PM MDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 75 52 61 49 Temp 72 72 65 56 51 49 58 69 72 71 64 57 54 52 55 58 60 60 57 53 51 50 Dewpt 46 46 50 50 48 46 49 46 44 46 50 51 51 51 54 54 54 54 54 53 51 49 RH 39 39 58 80 89 89 72 44 37 41 60 80 90 96 96 86 81 81 90100100 96 Wind dir W NW NW W W W W W W NW N NW NW NW N N N NE N N NW N Wind spd 20 20 10 6 5 6 8 9 10 11 9 8 8 6 6 8 8 8 6 5 5 6 Clouds B2 B2 B1 SC B1 B2 SC B1 OV OV OV OV OV B2 B2 B2 B2 OV B2 B2 B2 B2 PoP 12hr 20 20 20 60 70 QPF 12hr 0 0 0 0.18 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S C C L L L L C C C Tstms S S S S S S S Date 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 44 73 49 81 52 83 53 81 Temp 58 59 48 44 64 73 56 49 76 80 60 52 78 82 62 53 75 80 Dewpt 50 49 47 44 49 48 47 43 46 44 43 40 41 41 42 41 43 43 PWind dir NW NW SW SW W W W W W Wind char GN GN LT GN GN GN GN GN GN Avg clouds B2 B2 B2 B2 SC FW FW FW CL FW FW FW FW FW SC SC SC SC PoP 12hr 60 30 10 0 0 0 0 0 0 Rain shwrs C L C Tstms S $$ MTZ319-201000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 216 PM MDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 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 82 56 75 54 Temp 84 82 74 67 61 57 62 74 80 81 74 68 61 57 61 68 72 71 66 60 57 55 Dewpt 37 37 41 45 43 44 46 42 41 38 42 46 46 48 50 47 47 47 48 50 50 49 RH 19 20 30 45 51 62 56 32 25 21 32 45 58 72 67 47 41 42 52 69 77 80 Wind dir W W NW SW SW W NE NE W NW NW W NW W N N N N N NW W W Wind spd 14 16 10 4 3 2 2 5 8 10 5 4 3 2 4 8 11 12 8 3 2 2 Wind gust 27 21 Clouds B1 SC B1 B2 B2 B2 B2 B2 OV OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 5 20 10 30 50 QPF 12hr 0 0 0 0.01 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C S S Tstms S C C C C Obvis H Date 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 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 79 51 83 53 90 57 91 57 89 Temp 72 77 61 52 72 83 64 54 79 89 68 58 81 89 68 58 81 87 Dewpt 48 44 48 45 47 40 42 40 40 38 41 40 42 40 44 42 45 41 PWind dir NW NW W W SW W W SW W Wind char LT LT LT LT LT GN LT LT LT Avg clouds SC B1 SC SC SC SC FW CL CL FW FW FW FW FW B1 B1 SC SC PoP 12hr 40 20 20 0 5 5 5 5 10 Rain shwrs C S S Tstms C S S $$ MTZ326-201000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 216 PM MDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 87 51 84 52 Temp 85 83 73 63 55 50 62 78 86 82 72 62 55 51 62 75 81 79 69 60 55 52 Dewpt 32 36 41 44 43 43 43 44 43 43 44 47 47 46 46 47 48 49 50 52 51 50 RH 15 19 31 50 64 77 50 30 22 25 37 58 74 83 56 37 32 35 51 75 86 93 Wind dir W NW N SW S S SW W W W N SE E SE NE NW NW NW NE E SE SE Wind spd 19 17 10 4 4 3 2 6 10 10 6 4 4 3 3 5 9 11 9 5 4 2 Wind gust 19 Clouds OV B2 B1 B1 SC FW FW SC B2 B2 B1 B1 B1 SC SC SC B1 B1 B1 SC SC SC PoP 12hr 5 20 20 20 30 QPF 12hr 0 0 0 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C Tstms S S S C C Obvis H H H H Date 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 49 83 51 90 52 91 52 92 Temp 73 78 60 49 73 82 62 51 79 88 65 53 83 86 63 52 81 90 Dewpt 49 45 50 47 48 42 46 45 43 38 44 42 43 40 47 43 43 41 PWind dir W N W E W SE W S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC SC FW FW CL FW FW FW FW SC B1 SC SC SC PoP 12hr 30 20 20 5 10 5 5 5 5 Rain shwrs C S S Tstms C S S $$ MTZ330-201000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 216 PM MDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 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 39 79 43 79 44 Temp 76 78 66 55 44 40 54 72 77 77 67 56 48 43 57 74 77 76 66 56 48 44 Dewpt 30 33 36 38 37 36 37 35 32 32 35 38 40 39 38 34 29 31 37 41 41 40 RH 18 19 33 53 76 85 52 26 19 19 30 51 74 86 49 23 17 19 34 57 77 86 Wind dir SW SW SW SW E S SW SW SW SW SW SW SE E S SW SW SW SW S S S Wind spd 19 17 11 4 3 2 6 17 17 17 9 3 2 1 4 13 18 17 10 3 2 2 Wind gust 31 27 23 29 27 25 29 27 Clouds B1 SC B1 SC FW FW FW FW SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 5 20 5 20 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S Obvis H H H H H H H H Date 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 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 41 78 41 81 42 82 42 83 Temp 71 74 54 41 73 76 53 41 76 79 55 42 77 79 54 42 78 81 Dewpt 40 37 41 39 40 34 39 38 38 33 40 37 36 33 37 35 32 32 PWind dir SW SW SW N SW S SW S S Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC FW SC SC FW FW FW SC SC FW FW SC FW SC SC PoP 12hr 20 10 20 5 10 5 10 5 10 Rain shwrs S S Tstms S S $$ MTZ328-201000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 216 PM MDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 83 50 80 49 Temp 82 82 70 59 53 49 60 74 81 82 70 60 53 50 60 74 79 76 65 57 52 49 Dewpt 31 39 45 45 42 41 43 39 35 40 44 45 43 43 44 45 45 46 47 48 47 46 RH 16 22 41 60 66 74 53 28 19 22 39 58 69 77 55 35 30 34 52 72 83 89 Wind dir SW W W S S S SW SW W W NW N N S N W SW W NW NE S S Wind spd 23 19 11 5 5 5 5 14 20 17 10 8 5 5 5 6 12 13 10 6 5 5 Wind gust 23 Clouds SC SC SC SC FW SC SC B1 OV B2 B2 B2 B2 SC SC SC B1 B1 B1 SC SC SC PoP 12hr 0 20 5 20 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S Obvis K K K K K H H Date 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 46 82 48 86 50 86 49 87 Temp 73 78 56 46 72 81 58 48 76 85 60 50 79 82 59 49 78 86 Dewpt 47 43 46 43 46 41 42 40 42 43 44 42 45 45 46 41 43 43 PWind dir SW N SW NW SW SW SW SE SW Wind char LT GN LT GN LT LT LT LT LT Avg clouds SC SC SC SC FW FW FW FW CL FW SC SC FW FW B1 SC SC SC PoP 12hr 20 5 10 0 10 5 10 5 10 Rain shwrs S Tstms S $$ MTZ305-201000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 216 PM MDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 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 82 54 74 54 Temp 84 81 72 63 57 55 64 76 80 79 72 63 58 55 61 69 71 69 63 58 56 55 Dewpt 46 50 54 56 52 52 54 52 49 49 52 54 52 52 53 53 54 53 54 55 55 54 RH 27 34 53 78 83 90 70 43 34 35 49 72 80 90 75 57 55 57 72 90 96 96 Wind dir W NW NW S SW W W W W W N NE NW N N N N N N NE E NE Wind spd 11 12 6 4 4 4 5 9 10 10 6 4 5 4 5 8 8 10 6 5 5 5 Clouds B2 B1 B1 B1 SC B1 SC B1 OV OV OV B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 PoP 12hr 20 10 20 30 70 QPF 12hr 0 0 0 0.01 0.29 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S S C C L L L L C Tstms S S S S C C S S Heat index 80 Max heat 82 80 Date 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 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 48 77 52 88 55 91 56 89 Temp 70 71 55 49 69 76 60 53 82 86 65 56 85 88 66 57 84 86 Dewpt 56 54 50 47 50 50 50 47 51 46 47 45 47 42 46 44 48 45 PWind dir NW NW W S SW SW SW SW W Wind char GN GN LT LT GN GN GN LT LT Avg clouds B2 B1 SC B1 B1 SC FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 50 20 20 5 0 0 0 0 5 Rain shwrs C C S S Tstms S $$ MTZ314-201000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 216 PM MDT Sat Jul 19 2025 Date 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 77 52 74 52 Temp 79 77 68 60 55 53 63 73 74 76 65 60 56 53 61 70 73 69 61 56 54 52 Dewpt 48 47 50 50 48 46 48 49 50 52 52 52 50 49 50 51 51 52 54 54 53 52 RH 34 35 52 69 77 77 58 43 43 43 63 75 80 86 67 51 46 55 78 93 96100 Wind dir NW NW NW SW S S SW NW NW N N S SW SW N N NE N N SE SW SW Wind spd 9 9 5 4 4 4 4 5 6 8 5 4 4 2 4 5 9 10 8 4 4 3 Clouds B2 B1 SC B1 B1 SC SC B1 B2 OV OV B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 20 30 20 30 70 QPF 12hr 0 0 0.04 0.04 0.31 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S C C L L C C S Tstms S S S S S C C C C Date 07/22/25 Wed 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 07/26/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 47 73 51 84 54 86 55 86 Temp 67 70 55 48 66 73 56 52 77 83 62 55 82 84 63 55 80 83 Dewpt 53 52 52 48 52 51 51 48 45 46 47 43 44 45 48 43 45 45 PWind dir W NW W SE SW S W S NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 B1 FW FW CL CL FW FW FW FW B1 B1 FW SC PoP 12hr 50 50 30 10 5 5 5 5 10 Rain shwrs S C C C S C Tstms C C S $$ http://www.weather.gov/greatfalls