Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
701 FOUS55 KTFX 140935 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 335 AM MDT Mon Sep 14 2026 MTZ312-142200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 335 AM MDT Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 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 63 42 66 45 65 Temp 46 48 55 58 61 53 47 44 42 46 57 63 65 56 50 47 45 47 53 59 64 Dewpt 40 38 40 40 40 41 41 40 40 40 41 42 43 42 43 42 43 43 43 42 43 RH 79 68 57 51 46 64 79 86 93 79 55 46 45 59 77 83 93 86 69 53 46 Wind dir SW SW W NW NW NW SW S E E NE NE NE N N N N N N NE E Wind spd 18 24 25 21 13 3 3 3 2 2 4 9 12 11 9 8 6 5 3 3 4 Wind gust 34 33 14 19 Clouds SC B2 B2 B2 B2 B1 SC FW B2 B2 B2 OV OV B2 B2 B2 B1 B1 SC SC FW PoP 12hr 20 5 0 20 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 44 73 48 71 49 73 49 72 Temp 48 44 63 70 53 48 63 68 53 49 65 70 53 49 64 70 Dewpt 42 40 44 43 46 45 47 47 48 46 47 43 43 42 44 41 PWind dir SE W N NW SW SW SW W Wind char LT LT LT LT LT LT GN LT Avg clouds FW CL FW FW B1 B1 B1 SC B1 B1 B1 SC SC FW SC FW PoP 12hr 0 0 30 30 40 10 10 10 Rain shwrs C C C S C S Tstms S $$ MTZ303-142200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 335 AM MDT Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 57 40 56 42 59 Temp 41 45 50 55 55 47 45 41 40 44 51 55 55 48 46 43 42 44 51 57 59 Dewpt 35 38 41 42 42 41 41 40 40 41 43 43 43 43 43 42 41 41 42 42 43 RH 79 76 71 61 61 79 86 96100 89 74 64 64 83 89 96 96 89 71 57 55 Wind dir W W NW NW NW NW W NE E E E E E NE N N N NW SE S S Wind spd 17 26 31 25 16 5 4 2 2 5 9 9 8 6 6 6 5 4 4 6 9 Wind gust 28 40 46 40 26 Clouds B1 B2 B2 B2 B1 B2 B2 B1 OV OV OV B2 OV OV OV B2 B1 SC SC FW FW PoP 12hr 60 30 10 60 5 QPF 12hr 0.02 0 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S S S S C C L L Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 40 68 44 67 45 68 46 66 Temp 46 40 60 66 49 45 61 64 51 46 61 66 51 46 60 65 Dewpt 41 38 43 43 42 41 46 47 46 44 46 45 43 42 45 44 PWind dir S NW N N S SW W W Wind char LT LT LT LT LT LT GN GN Avg clouds FW FW FW CL CL SC SC SC SC SC SC SC FW SC SC FW PoP 12hr 0 0 5 10 20 10 10 5 Rain shwrs S S $$ MTZ319-142200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 335 AM MDT Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 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 63 38 71 46 68 Temp 45 49 56 58 61 53 47 43 40 45 59 66 67 58 54 49 46 49 56 63 67 Dewpt 39 37 38 37 36 36 36 37 38 36 39 37 36 38 40 40 41 42 42 41 40 RH 79 63 51 45 39 52 65 79 92 70 47 34 32 47 59 71 83 77 59 44 37 Wind dir SW W W W W W SW S W E NE N N NW NW NW NW NW N N N Wind spd 9 14 24 21 16 5 5 3 1 1 4 6 9 13 12 9 9 10 4 5 6 Wind gust 31 36 34 26 Clouds B1 B2 B1 SC FW SC FW FW B1 B1 B2 B2 OV B2 B1 B1 B1 B1 SC FW FW PoP 12hr 5 0 0 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 77 49 74 47 73 46 75 Temp 51 44 64 75 57 49 66 69 56 47 65 70 55 46 66 72 Dewpt 40 39 43 42 45 45 47 45 46 45 45 40 40 41 41 36 PWind dir NW E NW NW W SW SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW B1 B1 B1 B1 B1 B1 B1 SC SC FW SC FW PoP 12hr 0 5 40 40 40 20 10 5 Rain shwrs C C C C C S S S Tstms S S $$ MTZ326-142200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 335 AM MDT Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 62 34 73 38 71 Temp 41 45 54 59 61 49 43 39 36 44 61 69 71 56 47 41 38 46 58 67 70 Dewpt 41 40 35 35 35 38 39 38 35 36 38 36 37 38 39 39 37 39 41 42 41 RH 100 82 48 40 38 66 86 96 96 73 42 30 29 51 74 92 96 76 53 40 35 Wind dir S W W W NW NE S S S N N NE E E E N N N NW NW NE Wind spd 6 10 17 19 16 3 4 4 2 0 3 5 6 9 4 0 0 0 3 4 4 Wind gust 31 32 26 Clouds B2 SC B2 B1 FW FW FW FW SC SC SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 10 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 38 76 44 73 41 72 40 74 Temp 47 39 64 73 52 46 65 69 49 43 64 69 48 41 65 72 Dewpt 42 38 44 46 48 46 49 46 47 43 46 40 42 38 40 35 PWind dir E W SE W SE SW SE SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC B1 B1 B1 B1 B1 B1 B1 SC SC SC FW FW PoP 12hr 0 20 50 40 50 20 20 5 Rain shwrs S C C C C C S S S S Tstms S S S S $$ MTZ330-142200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 335 AM MDT Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 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 58 23 66 26 72 Temp 29 36 50 56 56 45 37 31 26 37 58 64 63 48 40 32 27 41 64 71 69 Dewpt 29 28 27 24 23 26 28 28 26 29 29 22 22 25 26 25 25 29 34 31 32 RH 100 72 41 29 27 47 70 88100 72 33 20 21 40 57 75 92 62 32 23 25 Wind dir SW SW SW W W NW N N N N SW SW SW N N N N N N SW SW Wind spd 12 20 18 13 9 1 0 0 0 0 9 12 6 0 0 0 0 0 0 4 2 Wind gust 24 10 21 23 18 Clouds SC FW SC B1 SC SC FW FW SC SC FW SC SC FW FW FW SC FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 32 71 34 66 28 64 26 68 Temp 44 34 65 65 46 37 60 62 41 30 58 61 39 27 61 65 Dewpt 37 34 45 42 42 37 44 36 39 30 39 32 33 27 34 28 PWind dir NE S SE SW SW SW SW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC B1 B1 B2 B2 B1 B1 SC SC SC SC SC FW SC FW PoP 12hr 10 50 60 40 20 30 5 0 Rain shwrs C C L L C C S S C S Tstms S S S $$ MTZ328-142200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 335 AM MDT Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 63 33 72 39 71 Temp 39 44 55 61 61 48 42 37 35 43 60 70 70 56 48 42 39 46 60 69 70 Dewpt 33 33 33 33 34 32 33 33 32 33 34 32 31 30 32 33 35 36 39 39 40 RH 79 65 43 35 36 54 70 85 89 67 37 24 23 37 54 70 85 68 46 33 33 Wind dir SW SW W W NW E E S S W N N N E N NE E NE N N NE Wind spd 12 18 18 11 9 4 5 4 3 3 2 4 6 9 6 4 4 4 5 6 11 Wind gust 28 21 Clouds FW FW SC FW CL FW FW FW SC SC SC SC SC B1 SC SC SC FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 39 75 43 71 39 71 39 74 Temp 48 40 64 72 51 45 65 67 48 40 63 69 48 39 66 71 Dewpt 39 37 42 43 45 44 47 43 43 40 42 38 36 35 38 34 PWind dir NE S S W SE SW SW W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC B2 B1 B1 B1 B1 SC SC SC FW SC FW FW PoP 12hr 0 20 60 50 30 20 10 5 Rain shwrs S L C C C C S S S Tstms S S S $$ MTZ305-142200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 335 AM MDT Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 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 62 40 66 45 66 Temp 48 50 55 59 58 50 46 43 42 46 58 64 62 53 51 48 46 49 57 64 65 Dewpt 41 39 42 45 47 45 44 43 42 41 43 41 42 42 43 43 43 44 43 43 44 RH 77 66 61 60 67 83 93100100 83 57 43 48 66 74 83 89 83 59 46 46 Wind dir W SW W NW NW W W SW E E E E E E E E NE E N W S Wind spd 14 18 23 26 21 12 6 3 1 5 9 12 13 14 11 10 9 6 4 3 3 Wind gust 33 37 34 Clouds SC SC B1 B2 B2 SC SC SC OV B2 OV OV OV OV OV OV B2 B1 SC SC FW PoP 12hr 50 10 0 60 5 QPF 12hr 0.02 0 0 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 42 74 47 74 48 73 47 72 Temp 48 43 64 72 53 48 67 70 54 49 66 70 54 49 64 69 Dewpt 42 40 46 46 46 45 49 48 48 48 50 49 48 46 47 45 PWind dir SE N NE NE E SE S W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW CL FW SC SC SC B1 B1 B1 SC SC SC SC FW PoP 12hr 0 0 5 10 30 20 10 5 Rain shwrs C C S Tstms S $$ MTZ314-142200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 335 AM MDT Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 59 37 68 41 64 Temp 43 45 48 53 56 50 45 41 39 44 56 64 67 55 50 43 41 44 50 59 64 Dewpt 42 37 36 41 40 41 41 39 38 39 40 39 38 38 39 38 38 40 42 42 41 RH 96 73 63 64 55 71 86 92 96 82 55 40 34 53 66 82 89 86 74 53 43 Wind dir W W W W NW W W SW SE E SE SE E E E E N NW N NE E Wind spd 10 19 27 35 27 12 5 3 3 3 4 6 10 14 9 3 3 3 4 5 5 Wind gust 31 46 37 24 25 19 Clouds B1 SC B2 B2 B1 B1 FW SC B1 SC SC B1 OV B1 B2 B2 B1 SC SC FW FW PoP 12hr 30 10 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C High Wind W W W Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 41 76 47 71 46 70 45 71 Temp 48 42 66 73 53 48 63 68 52 46 61 67 52 46 63 69 Dewpt 41 38 44 44 45 44 49 48 47 45 47 44 43 40 42 40 PWind dir SE E SE NW SE SW S W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW B1 B1 B1 B1 B1 B1 B1 SC SC SC FW PoP 12hr 0 5 30 50 50 40 20 10 Rain shwrs C C C C C C C S Tstms S S S $$ http://www.weather.gov/greatfalls