Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
241 FOUS55 KTFX 130829 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 229 AM MDT Sat Sep 13 2025 MTZ312-132200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 229 AM MDT Sat Sep 13 2025 Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 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 78 48 80 53 74 Temp 52 50 54 70 76 76 63 58 53 50 55 72 77 79 66 61 56 54 58 69 73 70 Dewpt 49 46 47 47 44 43 47 47 46 45 45 44 41 41 42 46 47 46 47 48 47 47 RH 89 86 77 44 32 31 56 67 77 83 69 37 28 26 42 58 72 74 67 47 40 44 Wind dir SW SW SW W N NE SE SW SW SW SW W W W W SW SW SW W W NW NW Wind spd 4 5 4 3 4 5 5 6 6 6 6 8 8 8 5 8 9 10 10 10 11 10 Clouds SC SC SC SC SC B1 B1 SC FW FW FW FW SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 10 10 5 10 40 QPF 12hr 0 0.01 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C Tstms S C Date Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 Fri 09/19/25 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 71 47 78 49 78 46 73 Temp 57 52 62 70 55 47 69 77 57 49 69 77 55 47 63 71 Dewpt 51 48 51 48 48 44 46 42 43 41 41 39 40 39 44 45 PWind dir W W SE SW SE SW E W Wind char GN LT LT LT LT LT GN LT Avg clouds B2 B2 B1 B1 SC FW FW CL FW FW SC FW SC SC B1 SC PoP 12hr 50 30 5 5 5 5 20 20 Rain shwrs C C C C S S Tstms C S $$ MTZ303-132200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 229 AM MDT Sat Sep 13 2025 Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 45 78 50 70 Temp 50 46 53 70 76 74 60 54 49 46 53 73 77 75 63 56 52 50 56 65 69 67 Dewpt 46 44 45 46 44 44 45 45 46 44 44 43 40 39 43 45 45 44 47 48 50 50 RH 86 93 74 42 32 34 58 71 89 93 71 34 26 27 48 66 77 80 72 54 51 54 Wind dir W NW W S S SE SW SW W W W W W W W W W W W NW NW NW Wind spd 4 4 3 5 6 5 6 6 5 5 6 8 9 10 10 11 11 11 13 14 14 13 Wind gust 25 25 24 Clouds SC SC FW FW FW SC B1 FW FW FW FW SC SC SC SC SC SC B1 B1 B1 B2 B2 PoP 12hr 10 10 5 10 50 QPF 12hr 0 0 0 0 0.08 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C Tstms S Obvis PF PF Date Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 Fri 09/19/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 70 43 77 45 73 42 68 Temp 54 49 63 68 52 44 68 75 53 46 67 70 51 43 60 67 Dewpt 49 46 49 46 46 42 45 42 41 38 39 36 38 37 42 44 PWind dir NW NW S SW S W NW NW Wind char GN GN LT LT GN GN GN GN Avg clouds B2 B2 B1 SC FW FW FW CL FW FW SC FW SC SC B1 SC PoP 12hr 50 20 5 5 5 5 10 20 Rain shwrs C C S S S S Tstms S $$ MTZ319-132200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 229 AM MDT Sat Sep 13 2025 Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 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 76 48 79 52 69 Temp 55 51 53 66 73 75 65 60 54 49 52 67 76 78 69 64 57 53 55 62 67 68 Dewpt 44 44 44 45 44 43 43 44 44 44 44 45 44 42 45 47 47 47 49 48 47 46 RH 66 77 71 47 35 32 45 55 69 83 74 45 32 28 42 54 69 80 80 60 49 45 Wind dir W W NW NE SE S SW SW S SW E SW W NW W W W W W W W NW Wind spd 4 3 2 3 4 5 5 6 5 4 2 4 6 6 6 8 5 5 5 8 10 10 Clouds SC SC SC SC B1 B1 SC SC SC FW FW FW SC B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 10 10 30 50 QPF 12hr 0 0 0 0 0.14 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C C C C C C C C Tstms S S S S S Date Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 Fri 09/19/25 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 48 72 48 78 49 78 48 73 Temp 58 49 61 71 58 48 65 77 60 49 65 76 60 49 62 71 Dewpt 47 46 49 45 45 44 46 41 40 40 42 39 40 39 42 43 PWind dir W N W SE SW SE W NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 FW FW FW CL FW FW FW FW FW SC SC SC PoP 12hr 40 30 5 0 0 5 20 20 Rain shwrs C S S C S S Tstms S $$ MTZ326-132200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 229 AM MDT Sat Sep 13 2025 Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 42 77 46 69 Temp 50 46 50 62 69 69 58 52 48 44 50 67 76 75 63 58 51 47 52 62 68 64 Dewpt 42 41 42 43 41 41 43 44 42 40 41 42 40 38 42 45 44 44 47 45 45 44 RH 74 83 74 50 36 36 57 74 80 86 71 40 27 26 46 62 77 89 83 54 43 48 Wind dir S S S W N NE SE S S S S NW NW W S S S S SW W W NW Wind spd 3 3 2 2 3 4 5 5 5 4 3 3 5 6 8 5 5 4 3 5 6 6 Clouds B2 OV B2 OV B2 B1 B1 SC SC FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 10 10 20 50 QPF 12hr 0 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S C C C C C Tstms S S Date Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 Fri 09/19/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 71 42 76 44 78 44 75 Temp 53 44 59 69 52 42 65 75 55 45 69 75 55 44 66 72 Dewpt 48 43 46 41 45 40 43 38 40 37 42 37 41 38 42 40 PWind dir W W E SW SE SW E SE Wind char LT LT LT LT LT LT GN LT Avg clouds B2 B1 B1 B1 FW FW CL CL FW FW FW FW FW SC SC SC PoP 12hr 30 30 5 0 0 0 10 20 Rain shwrs C S S C S Tstms S $$ MTZ330-132200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 229 AM MDT Sat Sep 13 2025 Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 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 32 66 35 58 Temp 40 37 43 57 61 60 49 43 37 33 41 61 65 65 52 47 40 36 42 54 57 55 Dewpt 36 35 36 37 32 34 37 38 36 33 37 39 33 34 36 37 38 36 40 41 38 39 RH 85 92 76 47 33 37 63 82 96100 85 44 30 31 54 68 92100 93 61 49 55 Wind dir SE S E SW SW SW S S S SE S SW SW SW S S S S S SW SW SW Wind spd 1 1 1 4 8 5 2 2 1 1 2 10 13 12 5 5 3 2 4 11 13 9 Clouds OV OV OV OV B2 B2 B1 SC SC FW FW SC B1 B1 B1 SC SC B2 B2 B2 B2 B1 PoP 12hr 40 10 10 20 60 QPF 12hr 0.04 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S C C S S C C L L C Tstms S S S S Obvis PF Date Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 Fri 09/19/25 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 30 65 31 69 33 71 34 70 Temp 42 31 56 63 42 31 62 67 45 33 64 68 46 34 64 66 Dewpt 40 31 39 35 38 31 39 32 36 32 35 30 35 32 37 34 PWind dir SE N NE SW S S SE S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC B1 B1 SC FW FW CL FW FW FW FW FW SC B1 SC PoP 12hr 30 30 5 5 0 0 10 20 Rain shwrs C S C S Tstms S $$ MTZ328-132200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 229 AM MDT Sat Sep 13 2025 Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 40 73 43 64 Temp 45 43 47 62 70 70 56 50 45 42 47 65 73 71 57 51 47 44 48 58 63 61 Dewpt 40 38 40 43 41 41 43 42 40 38 39 41 39 39 45 46 44 43 47 47 45 46 RH 82 82 76 50 35 35 62 74 82 86 74 41 29 31 64 83 89 96 96 67 52 58 Wind dir SW S SW W W NW SE S S S SW SW SW SW S SW S S SW SW W NW Wind spd 6 5 3 2 3 5 4 5 6 6 5 5 9 10 8 6 5 6 5 5 6 6 Clouds SC SC SC SC SC SC SC SC FW FW FW SC B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 10 10 10 30 50 QPF 12hr 0 0 0 0.03 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C S Tstms S S S S S Date Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 Fri 09/19/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 39 68 40 75 41 76 43 73 Temp 46 40 58 67 48 40 63 74 50 42 65 74 51 44 65 70 Dewpt 45 40 46 42 41 37 43 38 38 35 40 38 38 35 42 41 PWind dir W W E SW S SW S S Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC FW FW CL CL CL CL CL FW FW SC SC SC SC PoP 12hr 20 10 0 0 0 0 10 20 Rain shwrs S S Tstms S $$ MTZ305-132200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 229 AM MDT Sat Sep 13 2025 Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 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 77 50 81 51 78 Temp 51 49 55 70 75 75 63 58 55 52 57 74 80 78 64 59 55 52 57 71 77 75 Dewpt 49 49 51 54 52 52 56 54 53 51 51 53 49 47 51 49 48 46 49 52 50 51 RH 93100 86 57 45 45 78 86 93 96 80 48 34 33 63 69 77 80 75 51 39 43 Wind dir S S W W NE E SE SE S S SW SW SW S SE S SW SW W W NW NW Wind spd 3 2 2 3 4 6 5 4 3 3 3 5 6 5 5 6 5 6 9 11 11 10 Clouds SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW FW SC SC SC SC SC B1 B1 B1 PoP 12hr 20 5 10 5 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C Tstms S Obvis PF PF Heat index 80 Max heat 80 Date Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 Fri 09/19/25 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 72 48 77 48 75 47 73 Temp 59 52 65 70 56 49 69 75 56 49 68 72 55 48 65 70 Dewpt 55 50 54 52 52 48 52 49 49 46 51 47 47 44 49 48 PWind dir W W S SW E E E SE Wind char GN GN LT LT GN GN GN GN Avg clouds B1 B1 B1 B1 SC FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 50 40 10 5 5 5 20 20 Rain shwrs C C C C S S Tstms S $$ MTZ314-132200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 229 AM MDT Sat Sep 13 2025 Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 67 48 76 49 72 Temp 48 48 55 62 66 63 55 52 50 48 57 71 76 73 61 56 52 50 57 68 71 67 Dewpt 47 47 50 49 51 51 51 50 47 46 46 46 44 45 48 46 45 44 46 46 46 48 RH 96 96 83 62 58 65 86 93 89 93 67 41 32 37 62 69 77 80 67 45 41 50 Wind dir SE SE S SW W S S S S S SW W NW NW SE S SW SW W NW NW NW Wind spd 4 3 2 5 5 5 5 5 5 5 3 4 5 3 5 5 4 4 5 9 9 8 Clouds B2 OV OV B2 OV OV B2 SC SC SC FW FW SC FW SC FW SC SC SC B1 B1 B1 PoP 12hr 40 20 10 10 40 QPF 12hr 0.13 0.01 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S C C S C C C Tstms S S S S C S Obvis PF PF Date Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 Fri 09/19/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 67 46 75 47 73 46 71 Temp 54 48 60 65 52 47 69 72 53 48 68 70 53 47 65 68 Dewpt 49 46 51 50 49 44 48 46 44 41 43 44 44 40 44 46 PWind dir W NW SW SW SE W SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 SC FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 50 60 20 10 5 10 20 20 Rain shwrs C C C L S S S S Tstms S S S $$ http://www.weather.gov/greatfalls