Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
405 FOUS55 KTFX 282135 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 335 PM MDT Mon Sep 28 2026 MTZ312-291000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 335 PM MDT Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 47 73 52 67 41 Temp 71 57 51 51 52 58 67 72 70 62 59 58 56 58 62 65 62 53 48 44 42 Dewpt 32 31 32 32 31 33 36 39 38 40 41 41 41 43 43 43 39 39 39 39 39 RH 24 37 48 48 44 39 32 30 31 44 51 53 57 57 50 45 43 59 71 82 89 Wind dir W W SW SW SW SW SW W W SW SW SW SW W NW N NE NE E SE SW Wind spd 8 6 13 19 23 25 27 25 18 18 20 20 19 17 16 12 10 6 3 3 2 Wind gust 27 35 36 37 37 41 32 33 34 32 29 Clouds FW CL FW FW FW FW FW FW B1 B2 B1 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 0 5 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 70 45 74 46 66 42 71 45 78 Temp 59 67 52 47 67 70 53 46 58 63 49 42 61 69 52 46 70 73 Dewpt 41 37 40 39 41 39 41 40 40 38 39 39 40 38 39 38 39 37 PWind dir SW SE SW NW N E S S SW Wind char LT LT LT LT LT LT LT LT GN Avg clouds SC SC B1 SC SC SC SC SC SC FW FW SC SC SC SC SC SC FW PoP 12hr 5 0 5 10 10 5 0 0 0 $$ MTZ303-291000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 335 PM MDT Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 66 43 58 37 Temp 63 51 49 47 47 53 59 63 62 55 53 51 46 46 50 54 56 46 43 40 38 Dewpt 24 26 26 25 26 31 34 36 38 40 41 42 41 42 42 40 40 37 37 36 35 RH 22 37 40 42 43 43 39 36 41 57 64 71 83 86 74 59 55 71 79 85 89 Wind dir W SW SW SW SW W W W W SW SW SW NW N N N N SE S S SE Wind spd 16 12 19 13 23 27 29 28 23 18 14 12 11 10 8 6 5 4 4 4 3 Wind gust 26 32 43 48 50 48 41 32 26 Clouds CL FW FW FW SC B2 B2 B2 B2 B1 SC B1 B2 B1 B2 B1 SC SC SC SC B1 PoP 12hr 0 20 0 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S High Wind W W W W Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 40 67 40 61 37 66 41 72 Temp 53 61 47 42 61 62 48 41 53 58 45 38 56 63 48 42 65 67 Dewpt 40 38 38 37 41 40 40 38 40 38 37 36 39 39 38 37 40 39 PWind dir SE S W NW N SE SE S W Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC B1 B1 B1 SC SC SC SC FW SC SC SC SC SC SC SC PoP 12hr 5 5 5 10 5 0 0 0 0 $$ MTZ319-291000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 335 PM MDT Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 74 47 71 41 Temp 69 55 50 46 43 47 62 71 71 60 55 51 48 52 63 69 67 54 48 43 41 Dewpt 35 36 34 36 37 36 37 39 39 40 41 41 42 43 43 40 36 37 39 38 39 RH 28 49 54 68 79 65 39 31 31 47 59 68 80 71 48 35 32 52 71 82 92 Wind dir W SW SW SW SW SW W W W W SW SW W W W NW NW NW W N N Wind spd 11 10 12 8 5 4 4 11 11 10 8 5 4 4 13 14 13 8 3 0 0 Wind gust 18 27 23 25 Clouds CL FW FW FW FW FW CL SC B1 B2 B2 B1 SC SC FW FW FW FW FW SC SC PoP 12hr 0 5 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 45 75 44 68 41 72 44 77 Temp 59 68 51 45 64 71 53 44 59 65 49 41 60 69 52 44 66 73 Dewpt 41 39 40 40 43 40 41 40 41 39 40 40 41 41 39 38 41 40 PWind dir NE SW W W NW NW SE SW S Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC SC SC SC SC SC FW FW SC SC FW SC SC FW FW PoP 12hr 5 0 10 5 5 0 0 0 0 $$ MTZ326-291000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 335 PM MDT Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 38 72 42 70 38 Temp 68 54 47 42 38 44 61 70 71 57 51 46 43 48 62 68 69 56 48 41 38 Dewpt 40 42 41 39 38 38 39 36 39 40 41 40 39 40 43 40 40 41 41 40 38 RH 36 64 79 89100 79 44 29 31 53 68 79 86 74 50 36 35 57 77 96100 Wind dir N NW SW S S S NW W W S S S S S W NW N N E E E Wind spd 3 3 6 5 4 4 3 4 4 1 4 4 3 3 4 6 5 5 4 6 4 Wind gust 16 Clouds FW FW FW CL FW FW CL FW FW SC SC FW SC FW FW FW FW FW FW FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 42 74 42 69 38 71 41 75 Temp 59 69 50 43 65 71 52 42 61 67 47 39 61 69 50 42 66 73 Dewpt 42 41 42 40 43 42 42 40 42 40 42 39 41 41 41 37 40 40 PWind dir E SE SW E N E E SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC SC SC SC SC SC FW FW FW FW FW SC SC SC FW PoP 12hr 0 0 10 10 5 5 0 0 0 $$ MTZ330-291000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 335 PM MDT Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 27 65 28 67 29 Temp 57 45 37 33 29 35 53 63 62 46 38 33 30 37 58 66 64 46 38 32 30 Dewpt 40 41 37 33 29 35 39 32 33 36 35 33 30 33 40 36 37 36 36 32 30 RH 53 86100100100100 59 31 33 68 89100100 85 51 33 37 68 92100100 Wind dir SW N N N N N N SW SW S N N N N N W W N N N N Wind spd 2 0 5 0 0 0 0 4 3 1 0 0 0 0 0 4 3 0 0 0 0 Wind gust 10 14 Clouds B2 B1 FW SC SC SC FW FW FW FW FW FW SC FW FW CL FW FW FW SC SC PoP 12hr 30 0 0 0 0 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms S Obvis F F F Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 65 33 67 32 65 30 67 33 68 Temp 57 61 41 34 60 63 41 32 57 62 39 30 59 62 42 34 60 63 Dewpt 41 37 36 33 39 35 35 32 37 33 33 30 36 33 32 30 36 34 PWind dir SW SW SW SW W N SW SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC SC FW SC SC SC FW FW FW SC FW SC SC SC FW PoP 12hr 0 5 5 5 0 0 0 0 0 $$ MTZ328-291000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 335 PM MDT Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 37 72 40 71 39 Temp 66 52 46 41 38 42 61 70 70 55 49 45 41 46 63 70 68 54 48 42 39 Dewpt 39 38 37 35 34 35 35 35 38 38 39 39 38 40 43 40 39 38 38 37 35 RH 37 59 71 79 85 76 38 27 31 53 68 79 89 79 48 33 34 54 68 82 85 Wind dir N NE S S S SW SW W W SW S S S SW W W NW N N S S Wind spd 5 4 12 9 6 6 4 8 8 6 6 5 5 4 2 4 6 4 3 3 3 Wind gust 16 20 Clouds FW FW FW FW FW FW CL CL FW SC SC FW FW CL CL FW CL FW FW FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 42 75 41 70 39 72 41 75 Temp 63 70 50 43 65 71 50 42 60 66 48 40 62 69 50 42 66 72 Dewpt 42 39 40 38 41 38 38 37 39 38 39 36 39 39 37 34 37 37 PWind dir SW S SW W W E SW SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC SC FW SC SC SC FW FW SC SC FW SC SC SC FW PoP 12hr 0 0 5 5 5 0 0 0 0 $$ MTZ305-291000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 335 PM MDT Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 43 75 46 65 37 Temp 69 54 51 47 45 51 67 73 71 61 57 54 49 50 58 61 63 50 45 41 38 Dewpt 30 28 28 28 28 29 35 40 39 42 42 43 41 43 42 39 36 35 34 34 32 RH 23 36 41 47 51 42 30 30 31 49 57 66 74 77 55 44 36 56 65 76 79 Wind dir W S SW SW SW SW SW W W W W W W NW N NW N N S SE E Wind spd 8 9 13 12 16 18 25 26 23 18 16 12 12 10 10 11 10 4 3 3 6 Wind gust 24 29 32 39 41 37 29 26 Clouds CL FW FW FW SC FW SC SC SC B1 B2 OV B1 B1 SC B1 SC SC SC SC B1 PoP 12hr 0 5 5 10 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 69 40 73 40 66 38 70 41 75 Temp 59 66 49 42 64 69 51 41 59 63 47 39 62 67 50 42 66 71 Dewpt 38 38 39 38 42 41 41 39 40 37 37 34 39 39 40 38 41 41 PWind dir SE E SW NW NW E E SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 SC SC SC SC FW SC SC SC SC SC SC SC FW PoP 12hr 10 0 5 20 5 0 0 0 0 Rain S $$ MTZ314-291000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 335 PM MDT Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 43 75 47 66 37 Temp 67 55 50 46 46 55 69 72 70 59 55 52 49 53 61 64 60 50 45 41 38 Dewpt 38 40 38 34 33 35 35 36 38 40 40 39 39 40 42 44 40 39 39 36 34 RH 34 57 63 63 60 47 28 27 31 49 57 61 68 61 49 48 47 66 79 82 85 Wind dir NW S S SW SW SW W W W SW SW SW W W NW NW N N S SE SE Wind spd 3 4 10 8 10 10 13 17 11 6 8 9 11 12 19 14 9 4 4 4 5 Wind gust 20 24 25 28 24 19 23 Clouds FW FW FW FW FW FW CL FW SC SC B1 SC SC FW SC SC SC SC SC B1 SC PoP 12hr 0 5 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/01/26 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 43 74 43 64 38 70 44 77 Temp 61 64 49 46 67 68 52 43 58 60 46 39 62 65 51 45 70 71 Dewpt 40 38 40 39 40 39 40 39 39 37 38 36 39 38 39 36 37 37 PWind dir S SE SW W NW E SE SE SW Wind char LT LT LT LT LT GN LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC FW PoP 12hr 5 5 10 20 5 5 0 0 0 Rain S S $$ http://www.weather.gov/greatfalls