Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
960 FOUS55 KTFX 292135 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 335 PM MDT Tue Sep 29 2026 MTZ312-301000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 335 PM MDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 66 41 63 40 Temp 67 60 59 59 57 60 63 62 59 51 46 42 41 44 54 61 62 50 45 42 40 Dewpt 39 41 42 41 41 45 45 42 39 40 39 39 39 40 39 37 39 38 38 39 39 RH 36 49 53 51 55 58 52 48 47 66 76 89 92 86 57 41 43 63 76 89 96 Wind dir W SW SW SW SW SW W NW N NE NE NE NE SW NW N NE E E S SW Wind spd 20 19 19 21 21 18 17 11 9 6 3 2 2 3 3 4 6 5 3 3 3 Wind gust 33 31 33 32 32 Clouds B2 B2 B2 OV B2 B1 SC SC B1 B2 B2 OV OV B2 SC SC SC SC SC SC SC PoP 12hr 5 10 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 68 41 71 47 81 51 75 Temp 63 68 51 42 60 66 48 41 62 68 51 48 73 76 58 52 70 71 Dewpt 41 40 40 39 39 39 39 39 40 40 40 39 39 37 38 38 38 35 PWind dir SW NW NE E W SE SW SW W Wind char LT LT LT LT LT LT GN GN GN Avg clouds SC SC SC SC SC FW FW FW FW FW FW SC SC FW SC SC FW FW PoP 12hr 10 20 5 0 0 0 0 0 0 Rain S $$ MTZ303-301000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 335 PM MDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 47 56 35 58 36 Temp 59 53 52 51 48 47 51 55 53 45 41 37 37 38 52 57 56 46 41 38 36 Dewpt 40 41 43 44 44 45 40 38 38 36 37 35 36 36 38 36 36 35 35 37 36 RH 49 64 71 77 86 93 66 53 57 70 85 92 96 92 59 45 47 65 79 96100 Wind dir W SW SW SW W NW N N NE SE SE SE SE SE SE E E SE S S S Wind spd 23 17 14 12 10 11 11 8 5 4 4 3 3 3 4 4 6 5 5 4 3 Wind gust 39 31 25 Clouds B2 B2 B2 B2 B2 SC SC SC SC B1 B2 OV OV B1 SC FW SC B1 B1 SC SC PoP 12hr 5 10 0 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 36 63 36 65 41 75 46 70 Temp 58 63 45 37 56 60 43 36 56 63 45 42 68 70 53 47 65 66 Dewpt 40 39 37 36 37 39 37 36 38 40 39 38 40 40 39 38 39 38 PWind dir SW NW SW E SE S SW W W Wind char LT LT LT LT LT LT GN GN GN Avg clouds B1 SC SC SC FW FW FW FW FW SC FW SC SC SC SC SC SC FW PoP 12hr 5 20 0 0 0 0 0 0 0 Rain S $$ MTZ319-301000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 335 PM MDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 48 69 39 67 40 Temp 68 58 53 52 49 52 61 67 66 53 46 41 39 42 55 64 66 53 46 42 40 Dewpt 39 40 41 43 43 43 44 43 41 41 41 40 39 40 42 40 39 39 38 38 40 RH 34 51 64 71 80 71 53 42 40 64 83 96100 93 61 41 37 59 73 86100 Wind dir W W SW S SW W W W NW W W N N N N N N W N N N Wind spd 12 9 9 6 4 3 12 14 10 6 1 0 0 0 0 4 5 5 0 0 0 Wind gust 24 26 21 Clouds B2 B2 B2 B1 SC SC FW FW SC SC SC SC B1 B1 SC SC B1 SC SC SC SC PoP 12hr 0 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 41 71 41 74 45 79 47 75 Temp 62 70 50 41 60 68 49 42 61 71 51 45 67 75 56 47 66 71 Dewpt 45 41 41 40 42 40 40 40 42 42 40 39 42 41 39 39 39 37 PWind dir SW W NE W NE SW S SW W Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW SC SC SC FW SC SC FW FW PoP 12hr 5 5 0 0 0 0 0 0 0 $$ MTZ326-301000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 335 PM MDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 45 70 38 67 38 Temp 71 58 52 48 45 50 64 68 69 54 47 42 39 42 55 64 67 53 46 41 38 Dewpt 38 42 43 43 43 43 44 41 42 43 43 42 39 41 42 41 41 42 42 41 38 RH 30 55 71 83 93 77 48 37 37 66 86100100 96 61 43 39 66 86100100 Wind dir W W S S S S NW NW N E SE E E N N NW N E E E SE Wind spd 8 3 5 4 3 3 3 8 6 4 4 4 3 0 0 4 0 4 6 5 3 Clouds SC SC B1 SC FW FW CL SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 5 0 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 41 71 39 73 43 77 45 74 Temp 60 70 50 41 62 69 48 40 63 71 51 44 68 74 55 46 66 71 Dewpt 43 42 42 40 42 41 42 39 41 41 41 38 39 41 41 38 40 38 PWind dir SW E SW E NE E SW S SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW FW FW FW FW FW FW FW SC SC FW SC SC FW FW PoP 12hr 5 10 0 0 0 0 0 0 0 $$ MTZ330-301000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 335 PM MDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 67 29 64 31 Temp 61 47 39 36 35 41 60 67 64 46 37 33 31 37 56 64 61 46 38 33 32 Dewpt 35 39 38 36 35 36 41 35 36 37 36 33 31 34 41 38 38 39 37 33 32 RH 38 74 96100100 82 49 30 35 71 96100100 89 57 38 42 76 96100100 Wind dir SW S N N N N N W NW N N N N N SW SW SW S N N N Wind spd 5 2 0 0 0 0 0 4 2 0 0 0 0 0 3 8 4 1 0 0 0 Clouds SC SC SC SC FW CL FW FW SC FW FW SC B1 SC FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 66 33 68 31 69 35 69 35 67 Temp 58 62 41 33 60 64 40 32 62 65 43 36 62 64 44 36 60 63 Dewpt 39 35 35 32 37 33 32 30 36 33 31 30 37 36 35 33 38 32 PWind dir SW SW SW N SW SW SW SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW SC FW FW FW FW FW SC FW SC SC B1 SC SC SC SC FW PoP 12hr 0 0 0 0 0 0 0 5 5 $$ MTZ328-301000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 335 PM MDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 71 38 70 40 Temp 69 54 50 47 44 48 62 70 70 54 46 41 39 43 57 67 68 53 46 42 40 Dewpt 37 38 41 42 41 42 43 41 42 40 40 39 38 39 41 41 41 40 40 40 38 RH 31 54 71 83 89 80 50 35 36 59 79 92 96 86 55 39 37 61 79 93 92 Wind dir W SW S S SW SW W NW N NE S S S SW NW NW N NE NE S S Wind spd 10 6 6 6 5 4 2 4 6 5 4 3 3 3 2 3 6 4 3 3 4 Clouds SC SC SC SC FW CL FW FW FW FW FW SC FW FW FW SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 42 72 41 75 44 77 45 74 Temp 63 72 50 42 62 70 49 42 63 71 51 44 67 74 53 45 66 70 Dewpt 44 38 38 37 40 39 38 36 38 39 37 34 37 38 37 36 38 36 PWind dir SW W W SE SW SE SW SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW FW SC FW FW SC B1 SC FW SC SC FW FW PoP 12hr 0 5 0 0 0 5 0 0 0 $$ MTZ305-301000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 335 PM MDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 64 38 62 37 Temp 68 60 58 56 54 53 60 62 59 49 44 40 39 42 55 61 59 48 43 39 37 Dewpt 40 43 45 46 48 48 42 37 35 35 34 33 32 34 35 36 37 37 37 38 37 RH 36 53 62 69 80 83 51 39 40 58 68 76 76 73 47 39 44 65 79 96100 Wind dir W W W SW W W NW NW N NE E E E E E SE SE SE SE SE SE Wind spd 27 20 17 13 11 11 12 12 8 3 3 4 6 8 8 6 6 9 6 4 4 Wind gust 41 31 Clouds B1 B2 B1 B2 OV B1 FW FW SC B1 B2 OV OV B2 SC SC SC SC SC SC SC PoP 12hr 5 10 0 20 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S Date 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 38 69 38 71 41 78 47 75 Temp 60 66 48 38 60 65 47 39 62 67 50 42 68 74 56 48 68 70 Dewpt 41 41 40 37 37 38 37 35 38 41 41 39 41 42 42 40 40 41 PWind dir S NW NW E E E SW SW W Wind char LT LT LT LT LT LT LT LT GN Avg clouds B1 SC SC SC FW FW FW FW FW FW SC SC SC FW SC SC FW FW PoP 12hr 5 10 0 0 0 0 0 0 0 $$ MTZ314-301000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 335 PM MDT Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 65 39 62 38 Temp 67 57 54 53 52 56 61 60 56 49 43 41 39 45 55 60 57 47 42 40 38 Dewpt 38 41 40 41 41 43 45 44 40 40 39 38 37 38 40 40 39 39 39 39 37 RH 34 55 59 64 66 62 56 55 55 71 86 89 92 76 57 47 51 74 89 96 96 Wind dir W W SW SW SW W NW NW N NE E E E SE SE E E SE S S S Wind spd 17 9 8 10 10 12 18 12 5 4 4 4 4 4 5 6 5 8 6 5 5 Wind gust 27 25 Clouds SC B1 B2 B1 SC SC B1 B1 B1 B1 B2 OV OV B2 B1 B1 B1 SC SC SC SC PoP 12hr 5 10 5 20 10 QPF 12hr 0 0 0 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain S S Date 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 41 68 41 71 46 80 50 75 Temp 64 65 48 41 60 63 46 42 64 66 50 47 74 74 57 50 70 69 Dewpt 42 40 40 38 38 38 39 37 39 40 40 36 37 37 38 35 35 35 PWind dir SW W NW SE E SE SW SW W Wind char LT LT LT LT LT LT LT LT GN Avg clouds SC SC SC SC SC FW FW FW FW FW FW SC SC FW SC SC FW FW PoP 12hr 5 20 0 0 0 0 0 5 5 Rain S $$ http://www.weather.gov/greatfalls