Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
349 FOUS55 KTFX 142341 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 541 PM MDT Mon Sep 14 2026 MTZ312-151000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 541 PM MDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 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 41 64 45 59 43 Temp 59 52 46 43 41 46 58 64 62 54 49 47 45 47 52 57 59 51 46 44 43 Dewpt 41 43 42 41 40 40 42 42 43 43 43 44 44 45 44 42 43 43 42 41 41 RH 51 71 86 93 96 79 55 45 50 66 80 89 96 93 74 57 55 74 86 89 93 Wind dir NW W SW S SE E E NE NE N NW NW NW NW N NE E E S S S Wind spd 16 4 4 3 3 2 4 8 11 9 6 6 6 6 4 3 4 4 3 3 3 Wind gust 26 Clouds B2 B1 B1 SC SC B2 B2 B2 OV OV B2 B2 SC B1 SC SC FW FW CL FW FW PoP 12hr 20 0 20 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S Date 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 50 69 50 70 48 71 48 75 Temp 65 70 54 50 63 67 53 50 64 68 52 48 65 68 52 48 67 71 Dewpt 47 46 48 47 49 47 48 46 47 45 44 42 44 43 41 40 43 42 PWind dir S NW W NW SW SW SW SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW B1 B1 B1 B1 B1 B1 SC SC FW FW SC FW FW FW FW FW PoP 12hr 0 40 40 40 20 10 5 0 0 Rain shwrs C C C C C C S Tstms S $$ MTZ303-151000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 541 PM MDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 41 57 42 57 41 Temp 54 48 47 42 41 45 51 56 54 49 47 43 42 44 50 55 56 48 46 42 41 Dewpt 43 43 42 41 41 42 43 42 42 43 43 42 41 42 42 42 43 42 42 40 40 RH 66 83 83 96100 89 74 59 64 80 86 96 96 93 74 61 62 80 86 93 96 Wind dir NW W W NW E SE SE SE E NE N N N N NE S S SE S S SW Wind spd 17 6 4 2 2 4 10 9 8 6 8 10 9 5 3 4 6 8 6 5 2 Wind gust 28 Clouds B1 B1 B2 B1 B1 B2 OV OV OV OV OV OV B1 B1 SC FW FW FW FW FW FW PoP 12hr 20 10 70 5 0 QPF 12hr 0 0 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S L C Obvis PF PF Date 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 68 46 68 47 68 46 68 45 69 Temp 61 66 51 47 62 65 52 48 63 65 51 47 62 65 50 45 62 66 Dewpt 46 44 44 43 46 46 45 43 46 45 43 42 45 43 42 40 43 43 PWind dir S N N W SW W W SW SW Wind char LT LT LT LT LT GN LT LT LT Avg clouds FW FW FW SC B1 B1 B1 SC SC SC FW FW SC FW FW SC SC FW PoP 12hr 0 10 30 30 20 5 0 0 0 Rain shwrs C C S S S Tstms S S $$ MTZ319-151000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 541 PM MDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 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 40 69 45 65 44 Temp 59 51 47 44 40 47 60 67 66 56 53 48 46 49 57 64 62 52 49 46 45 Dewpt 37 38 38 38 39 38 40 36 36 39 42 41 41 42 43 43 40 41 41 40 41 RH 44 61 71 79 96 71 47 32 33 53 66 77 83 77 59 46 44 66 74 79 86 Wind dir W W SW S N N E NE N NW W W NW N N N N W N N N Wind spd 17 5 5 2 0 0 4 6 9 12 9 8 8 10 6 8 9 8 0 0 0 Wind gust 27 Clouds SC SC SC FW FW SC FW SC B2 B2 B1 B1 SC B1 SC FW FW FW FW SC SC PoP 12hr 5 0 10 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis PF Date 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 51 71 48 72 47 73 45 75 Temp 67 74 57 51 66 67 55 48 65 69 54 47 66 70 53 45 67 71 Dewpt 46 46 48 47 49 46 46 45 46 41 41 41 42 37 39 38 41 37 PWind dir E W NW W W W W W S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW B2 B1 B1 B2 B1 B1 SC SC FW FW SC CL FW FW FW FW PoP 12hr 5 60 60 50 20 10 5 0 0 Rain shwrs L C C L C C S S Tstms S C $$ MTZ326-151000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 541 PM MDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 36 71 39 70 42 Temp 60 49 43 40 37 45 60 69 68 54 47 42 39 46 58 67 69 56 49 45 44 Dewpt 38 40 41 39 37 38 39 37 38 39 41 41 38 41 43 43 43 44 46 45 44 RH 44 71 93 96100 76 46 31 33 57 79 96 96 83 57 42 39 64 89100100 Wind dir NW N S SE S N N N E E SE N N N NW NW N E E E E Wind spd 17 4 4 4 3 0 2 4 8 8 4 0 0 0 3 4 5 8 8 6 4 Wind gust 28 Clouds SC FW FW FW FW CL CL SC B1 B1 SC SC FW SC FW FW FW FW SC SC SC PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 46 71 42 70 41 73 40 76 Temp 68 72 54 48 65 67 50 44 62 67 49 44 65 70 49 42 67 73 Dewpt 49 49 50 48 51 48 48 44 47 42 42 39 42 38 39 36 39 38 PWind dir SW SE SW S SW SE SW SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 B2 B1 B1 B2 B2 B1 B1 B1 SC SC FW FW FW FW FW FW PoP 12hr 30 60 60 60 40 20 5 0 0 Rain shwrs C L C C L L C C C S Tstms S S C S S $$ MTZ330-151000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 541 PM MDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 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 26 66 30 72 38 Temp 54 43 37 30 27 36 58 65 63 49 41 34 30 42 66 72 69 54 46 42 40 Dewpt 25 29 31 29 27 30 31 23 24 27 29 29 30 32 38 33 35 37 40 41 40 RH 32 57 79 96100 79 36 20 22 42 62 82100 67 36 24 28 52 79 96100 Wind dir W NW N N N N SW SW SW N N N N N N SW SW NE NE E N Wind spd 10 1 0 0 0 0 5 11 4 0 0 0 0 0 0 4 2 3 2 1 0 Wind gust 21 18 Clouds SC FW FW FW SC FW FW SC FW FW FW FW SC FW FW FW SC SC B1 B1 B1 PoP 12hr 5 0 0 0 40 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Obvis PF PF Date 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 71 37 65 30 64 29 67 28 70 Temp 66 65 46 39 60 60 41 31 57 61 39 29 60 64 40 28 63 66 Dewpt 49 46 45 39 45 39 39 31 40 33 34 29 35 27 30 28 32 28 PWind dir S SE SW SW W W SW W SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC FW FW SC FW FW PoP 12hr 70 70 50 20 30 10 5 0 5 Rain shwrs C L L L C C S S C S Tstms S C S S S $$ MTZ328-151000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 541 PM MDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 34 72 37 71 41 Temp 59 47 42 37 34 42 59 70 69 55 49 42 37 45 61 70 69 54 49 43 41 Dewpt 34 35 35 35 34 34 35 32 31 31 34 34 33 37 40 39 39 39 42 40 40 RH 39 63 76 92100 73 40 24 24 40 56 73 85 73 46 32 33 57 77 89 96 Wind dir NW E E S S SW N NW NE E SE S S NE N N NE NE E SE SE Wind spd 10 4 5 4 4 3 3 3 5 8 5 4 4 3 5 8 12 6 4 3 3 Clouds FW SC SC FW FW CL CL B1 B2 B2 SC SC FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 45 71 41 70 40 74 40 75 Temp 67 71 52 46 64 66 48 42 63 67 48 40 66 71 48 40 66 73 Dewpt 46 46 47 46 48 44 44 41 43 38 38 36 38 34 35 33 36 34 PWind dir SE SE SW S SW W W SE SW Wind char LT GN LT LT LT LT LT LT LT Avg clouds SC SC B2 B1 B1 B1 B1 SC SC SC FW SC FW CL FW SC FW FW PoP 12hr 20 60 50 40 20 10 5 0 5 Rain shwrs S L C C C C S S S Tstms S S S S $$ MTZ305-151000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 541 PM MDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 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 41 66 45 65 43 Temp 58 50 45 42 41 46 58 64 62 53 51 47 45 48 58 64 62 50 45 44 43 Dewpt 47 45 44 42 41 43 43 41 42 42 45 45 45 45 46 44 44 44 43 43 43 RH 67 83 96100100 89 57 43 48 66 80 93100 89 64 48 52 80 93 96100 Wind dir NW W W W N E E E E E E E NE NE N NW N SE SE SE SE Wind spd 21 13 8 4 0 3 9 11 14 16 12 10 9 8 6 3 0 4 5 6 5 Wind gust 32 Clouds OV SC SC SC B1 B1 SC OV OV OV OV OV OV B1 SC SC FW FW FW FW FW PoP 12hr 20 5 70 5 0 QPF 12hr 0 0 0.07 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L C Obvis PF PF Date 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 75 49 74 49 73 47 73 47 76 Temp 67 71 53 49 66 70 53 49 67 69 52 48 66 69 52 47 67 72 Dewpt 48 48 48 47 50 49 50 49 51 49 48 46 48 46 45 43 46 46 PWind dir E NE N E S S W SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW SC B1 SC B1 B1 B1 SC SC SC SC FW FW FW FW FW PoP 12hr 0 10 30 40 30 20 5 0 0 Rain shwrs C S C C C S S Tstms S $$ MTZ314-151000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 541 PM MDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 39 65 41 61 43 Temp 53 47 44 41 39 46 57 64 63 52 48 43 41 44 51 59 61 49 46 45 44 Dewpt 38 41 42 40 39 40 40 39 38 39 40 39 39 41 42 43 43 43 44 42 41 RH 57 79 93 96100 79 53 40 39 61 74 86 92 89 71 55 51 80 93 89 89 Wind dir W W W W S E E SE SE E E S W NW NW N NE SE SE SE S Wind spd 27 14 6 3 3 3 3 6 12 16 6 1 2 4 5 6 4 8 8 6 5 Wind gust 37 26 24 26 21 Clouds B1 B2 B1 B1 B1 FW FW FW B2 OV B2 SC SC SC FW FW FW FW FW SC SC PoP 12hr 30 0 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S Date 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 49 68 47 67 46 68 46 74 Temp 69 72 54 51 63 64 51 48 62 64 50 48 64 66 50 47 68 70 Dewpt 47 46 47 46 50 50 49 46 47 45 43 40 42 41 40 37 39 40 PWind dir SE SE NW SW W S W SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW SC B1 B1 B2 B2 B1 B1 B1 SC SC SC FW FW FW SC FW PoP 12hr 0 30 70 60 50 20 5 0 5 Rain shwrs C C L L C C C S Tstms S S S $$ http://www.weather.gov/greatfalls