Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
252 FOUS55 KTFX 221231 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 631 AM MDT Sat Aug 22 2026 MTZ312-222200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 631 AM MDT Sat Aug 22 2026 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 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 90 61 89 53 80 Temp 66 78 86 86 75 71 67 64 71 84 86 84 73 63 57 53 61 74 78 79 Dewpt 53 46 44 48 52 54 54 53 54 50 42 39 38 37 38 37 38 36 35 37 RH 63 32 23 27 45 55 63 67 55 31 21 20 28 38 49 54 42 25 21 22 Wind dir S SW SE E SW SW SW SW SW SW W W W W SW SW W NW NW NE Wind spd 4 4 5 6 6 10 10 10 10 14 21 20 12 8 6 6 4 3 4 9 Wind gust 28 33 32 Clouds B2 B2 B1 SC B1 B2 B1 B1 SC SC SC FW FW CL CL CL CL CL CL FW PoP 12hr 30 40 20 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C S Tstms S C S C S Date Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 85 56 90 57 86 53 84 Temp 63 53 74 83 66 58 83 86 66 58 81 82 63 53 77 82 Dewpt 42 42 44 41 44 45 46 43 47 46 42 36 38 39 37 33 PWind dir NE N E S S SW W SW Wind char LT LT LT LT GN GN GN LT Avg clouds FW FW FW FW FW SC SC SC SC SC FW FW FW SC FW FW PoP 12hr 0 0 5 10 20 5 10 5 Rain shwrs S $$ MTZ303-222200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 631 AM MDT Sat Aug 22 2026 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 57 81 50 76 Temp 61 73 80 83 71 65 61 58 66 78 79 77 66 59 53 51 58 70 74 76 Dewpt 49 45 47 47 50 50 49 47 50 46 40 36 37 39 39 40 42 40 39 40 RH 65 37 31 28 47 58 65 67 56 32 25 23 34 47 59 66 55 33 28 27 Wind dir E S S SE S SW W W W W W W W W W W W NW NW N Wind spd 4 5 5 8 6 6 8 9 12 20 26 24 16 10 10 6 5 5 4 9 Wind gust 25 35 39 37 26 14 Clouds B2 B2 B2 SC B1 B1 B1 B2 SC FW SC FW FW FW FW FW FW CL FW FW PoP 12hr 30 20 20 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S S Tstms S C S S Date Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 81 52 85 52 78 48 77 Temp 58 50 71 80 61 53 77 82 62 53 74 75 57 49 71 74 Dewpt 43 42 43 40 42 42 44 42 44 42 39 35 37 35 34 33 PWind dir N SE SE SE SW W W W Wind char LT LT LT LT GN GN GN GN Avg clouds FW FW FW FW FW FW SC SC SC SC SC FW FW FW SC SC PoP 12hr 0 0 0 10 20 10 5 5 Rain shwrs S $$ MTZ319-222200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 631 AM MDT Sat Aug 22 2026 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 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 90 57 87 52 84 Temp 64 76 86 85 73 68 63 59 63 78 83 83 71 63 56 52 58 73 82 83 Dewpt 49 47 44 48 54 56 55 52 53 52 47 41 41 41 39 41 41 40 34 35 RH 58 36 23 28 51 65 75 78 70 40 28 23 34 44 53 66 53 30 18 18 Wind dir N E E S SW S NW S E W W W NW W SW SW N NW NW NW Wind spd 0 4 6 6 8 5 3 3 4 9 14 16 10 5 5 3 0 3 9 11 Wind gust 20 27 26 Clouds OV B1 SC B2 B2 B2 B1 B2 SC B1 SC FW FW FW FW CL CL CL FW FW PoP 12hr 30 60 30 0 0 QPF 12hr 0 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S L C S S Tstms S S S C C S S Date Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 86 56 87 54 85 51 83 Temp 64 55 74 84 65 56 79 83 64 54 77 82 62 51 75 80 Dewpt 40 42 45 41 46 46 49 46 48 46 46 38 40 40 41 35 PWind dir W E S S SW W W SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW SC SC SC SC B1 SC FW FW FW SC SC FW PoP 12hr 0 5 5 20 20 5 5 5 Rain shwrs S S Tstms S $$ MTZ326-222200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 631 AM MDT Sat Aug 22 2026 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 53 86 50 83 Temp 65 77 84 82 68 64 59 55 62 77 81 81 66 61 53 50 58 72 81 82 Dewpt 49 47 45 52 56 58 56 53 53 46 40 42 48 48 46 46 45 43 37 38 RH 56 35 26 35 65 81 90 93 72 33 23 25 52 62 77 86 62 35 21 21 Wind dir N E E SE S NW E S SW W SW SW NW W SE SE N NW NW NW Wind spd 3 2 4 5 6 4 4 3 2 8 16 12 8 3 3 4 0 3 4 5 Wind gust 24 26 24 Clouds B2 B1 SC B1 OV B2 SC B1 B1 SC B2 B1 FW FW FW FW FW FW FW SC PoP 12hr 50 40 40 10 0 QPF 12hr 0.01 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C S Tstms S C S C C S Date Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 84 51 86 51 84 49 83 Temp 62 51 74 82 61 53 79 80 61 52 77 81 59 49 74 81 Dewpt 45 44 46 43 49 47 47 46 50 46 45 39 45 42 42 37 PWind dir E NW SE S SE SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 SC FW SC SC SC SC B2 B1 FW FW SC SC SC FW PoP 12hr 0 5 10 10 30 10 10 5 Rain shwrs C Tstms S $$ MTZ330-222200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 631 AM MDT Sat Aug 22 2026 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 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 45 78 41 78 Temp 58 74 80 75 64 55 51 47 54 71 77 72 62 54 46 41 52 71 78 72 Dewpt 50 49 45 49 55 53 51 47 52 51 43 44 46 44 41 40 43 41 36 41 RH 75 41 29 40 73 93100100 93 49 30 37 56 69 83 96 71 34 22 33 Wind dir N SW SW SW S N N N SW SW SW SW SW N N N N SW SW SW Wind spd 0 6 10 6 2 0 0 0 3 16 18 12 6 0 0 0 0 5 10 6 Wind gust 17 28 24 Clouds B2 B1 B1 B1 B2 B2 SC B2 SC B1 B1 B1 SC SC SC SC FW FW SC SC PoP 12hr 50 40 30 10 5 QPF 12hr 0.01 0.05 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C C Tstms S C S C C C Date Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 78 41 79 41 76 39 75 Temp 53 43 70 71 51 42 72 71 52 41 71 70 50 39 69 69 Dewpt 44 41 46 44 46 42 47 43 45 41 43 34 36 33 36 30 PWind dir SW SW W SW S SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 SC B1 B1 B1 SC B1 B1 SC SC SC SC SC SC PoP 12hr 10 20 10 10 20 5 5 5 Rain shwrs S S Tstms S S $$ MTZ328-222200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 631 AM MDT Sat Aug 22 2026 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 52 85 48 84 Temp 63 76 83 79 65 60 56 54 59 77 83 82 67 58 51 48 55 74 83 81 Dewpt 51 49 46 53 56 55 53 51 53 48 36 37 40 40 38 38 42 45 38 41 RH 65 39 27 41 73 84 90 90 80 36 19 20 37 51 61 68 61 35 20 24 Wind dir S SW SW SW E S S S SW SW SW SW SW SW S S SW W W W Wind spd 4 3 6 8 5 5 5 6 4 17 24 17 10 6 5 4 2 2 4 8 Wind gust 35 36 32 Clouds SC B1 B1 B2 B1 B1 B1 SC SC SC SC FW FW FW FW FW FW FW FW SC PoP 12hr 40 60 10 0 0 QPF 12hr 0 0.03 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L C Tstms S C C C C Date Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 83 50 84 49 83 47 82 Temp 59 50 73 80 59 52 76 77 58 49 74 79 56 48 73 78 Dewpt 43 41 47 46 48 46 48 47 46 43 44 39 40 38 40 37 PWind dir SE SW SE SW S SW SW SW Wind char LT LT LT LT GN GN GN LT Avg clouds B1 B1 SC FW SC SC B1 SC B1 SC SC FW SC SC SC SC PoP 12hr 10 10 20 20 20 5 5 5 Rain shwrs S S S Tstms S S $$ MTZ305-222200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 631 AM MDT Sat Aug 22 2026 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 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 93 61 93 55 82 Temp 69 84 91 90 80 71 67 63 69 86 89 84 74 65 60 56 62 75 81 80 Dewpt 50 49 49 51 54 53 53 52 53 49 42 45 47 43 40 41 43 46 44 42 RH 51 30 24 26 41 53 61 67 57 28 19 26 38 45 47 57 50 36 27 26 Wind dir E SE S SE E SE S SW W W W W W SW SW W W NW NW NW Wind spd 12 13 13 12 9 8 5 8 10 10 12 13 11 11 11 11 11 12 13 13 Clouds SC B2 B2 B1 B1 B1 B2 OV B1 B1 B1 SC SC FW FW FW CL CL CL FW PoP 12hr 20 5 40 20 0 QPF 12hr 0 0 0.12 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C S S Tstms S S C Heat index 80 Max heat 82 89 86 84 88 80 80 Date Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 86 55 93 57 89 53 85 Temp 61 53 77 84 64 57 84 90 68 59 81 86 63 54 77 82 Dewpt 44 44 45 41 44 44 45 42 47 46 43 38 40 38 36 33 PWind dir N NE E SE SE SW W W Wind char LT LT LT LT GN LT GN LT Avg clouds FW FW FW FW FW FW SC SC SC SC SC FW FW SC SC FW PoP 12hr 0 0 0 5 20 10 20 5 Rain shwrs S S S $$ MTZ314-222200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 631 AM MDT Sat Aug 22 2026 Date Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 59 89 52 79 Temp 68 81 85 84 72 68 64 60 72 84 84 78 68 62 56 53 62 72 77 78 Dewpt 49 49 47 51 53 52 51 48 51 46 44 49 51 47 41 38 40 37 36 39 RH 51 33 27 32 51 57 63 64 48 27 25 36 54 58 57 57 44 28 23 25 Wind dir SE SE S SE S S S SW W W W NW W W SW SW W NW NW NW Wind spd 6 5 6 5 8 6 5 3 3 5 9 5 5 5 3 4 4 6 8 6 Wind gust 16 19 17 Clouds B1 SC B2 B1 B1 B1 B2 B1 SC SC B2 B2 SC FW FW FW CL CL CL FW PoP 12hr 20 30 40 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S Tstms S S C C Date Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 83 53 87 54 85 51 83 Temp 58 51 76 81 61 56 82 82 63 56 80 80 60 52 76 80 Dewpt 41 40 44 43 45 44 45 45 47 45 42 41 41 38 38 37 PWind dir E E SE S SE W W W Wind char LT LT GN LT LT LT LT LT Avg clouds FW SC FW FW FW SC SC FW B1 B1 SC FW SC SC SC FW PoP 12hr 0 5 5 10 20 10 20 5 Rain shwrs S S $$ http://www.weather.gov/greatfalls