Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
785 FOUS55 KTFX 180830 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 230 AM MDT Sat Oct 18 2025 MTZ312-182200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 230 AM MDT Sat Oct 18 2025 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 56 46 60 40 54 Temp 36 33 34 48 54 54 46 50 50 51 54 58 58 53 46 45 43 42 42 50 53 50 Dewpt 33 30 28 22 16 20 21 23 24 25 31 38 29 28 28 29 29 28 28 30 25 25 RH 89 89 78 35 22 26 37 34 36 36 41 47 33 38 49 53 57 57 57 46 33 37 Wind dir W SW SW SW SW SW SW SW SW S SW SW W W SW W W W W W W W Wind spd 11 10 11 14 17 12 13 20 21 23 27 32 33 26 23 23 21 20 23 18 17 13 Wind gust 39 48 50 36 27 Clouds FW FW FW FW SC SC B1 OV OV B2 B2 B2 SC FW SC B2 B1 B1 B1 SC FW FW PoP 12hr 0 30 30 30 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S C S S S S C C High Wind A A A A A Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 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 35 60 37 65 44 65 46 70 Temp 38 39 54 57 44 38 58 60 48 45 60 61 50 47 64 64 Dewpt 25 23 26 28 28 25 28 28 27 27 32 32 31 29 34 33 PWind dir SW SW SW SW SW SW SW SW Wind char GN BZ GN GN GN BZ GN BZ Avg clouds FW SC B2 B1 B1 SC SC SC B1 B1 B1 SC B1 B1 B1 SC PoP 12hr 0 0 5 0 0 5 5 5 $$ MTZ303-182200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 230 AM MDT Sat Oct 18 2025 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 53 40 56 37 50 Temp 30 28 31 46 52 50 43 43 43 44 48 54 54 48 43 41 41 38 38 47 49 46 Dewpt 27 25 25 22 20 23 24 26 28 31 37 35 30 30 31 30 29 28 28 29 27 27 RH 88 88 78 38 28 34 47 51 55 60 65 48 40 49 62 65 62 67 67 49 42 47 Wind dir W W W W W SW SW SW S SW SW W W W W W W W W W W W Wind spd 11 11 13 18 19 13 13 19 21 24 31 40 40 33 26 23 20 23 24 19 20 17 Wind gust 47 62 62 51 40 34 31 31 32 28 Clouds CL CL FW FW FW B1 B2 OV OV B2 B1 B1 SC SC B1 B1 B1 B1 B1 FW FW FW PoP 12hr 0 30 30 30 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S C S C S S S C C Snow C High Wind A A A A A Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 32 56 32 59 39 60 41 63 Temp 35 34 51 51 38 33 53 54 43 40 55 55 46 42 58 58 Dewpt 26 22 27 29 27 24 29 28 27 26 33 34 33 30 34 35 PWind dir SW W W SW SW SW SW SW Wind char GN BZ GN GN BZ BZ BZ BZ Avg clouds SC B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 B2 B1 PoP 12hr 0 0 5 5 5 5 5 5 $$ MTZ319-182200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 230 AM MDT Sat Oct 18 2025 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 55 41 55 39 53 Temp 39 34 34 45 52 53 48 46 45 43 45 50 52 49 47 46 46 41 41 48 52 50 Dewpt 33 29 29 25 22 23 22 22 24 26 29 40 35 28 29 30 31 30 29 30 27 25 RH 79 82 82 45 31 31 35 38 43 51 53 68 52 44 49 53 55 65 62 49 38 37 Wind dir W W SW W SW S S SE S S S W W W W W W W W W W W Wind spd 11 6 5 9 9 4 9 13 12 11 12 16 23 23 20 18 16 12 13 18 17 10 Wind gust 33 39 40 36 31 24 27 28 28 Clouds FW CL FW FW SC B1 B1 B1 B2 B2 B2 OV B2 B1 B1 B1 B1 B1 SC FW FW FW PoP 12hr 5 5 80 50 20 QPF 12hr 0 0 0.08 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain C C D L C C C C S S Snow S Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 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 32 59 34 63 38 65 42 68 Temp 39 33 48 54 43 35 52 58 47 39 55 61 51 43 59 63 Dewpt 25 23 27 27 27 25 31 30 28 28 34 32 32 31 38 35 PWind dir SW SW SW S SW SW SW S Wind char GN LT LT LT GN GN GN GN Avg clouds FW SC B1 SC SC SC SC SC SC SC B1 SC SC SC B1 SC PoP 12hr 0 0 5 5 5 5 10 10 $$ MTZ326-182200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 230 AM MDT Sat Oct 18 2025 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 52 37 54 32 52 Temp 37 31 32 43 50 49 43 42 42 43 46 51 49 46 41 39 38 35 36 46 51 49 Dewpt 32 27 26 28 26 25 26 28 28 27 32 32 38 32 32 31 30 28 28 29 26 26 RH 82 85 78 55 39 39 51 57 57 53 58 48 66 58 70 73 73 75 72 51 37 40 Wind dir W SW SE SW W SE SE E E SE SE W W W W W W W W W W W Wind spd 10 5 6 5 6 5 10 13 14 13 12 16 16 17 14 13 13 11 11 11 12 8 Wind gust 26 24 23 Clouds B1 FW SC FW FW SC B1 B1 B1 B2 B2 OV OV B1 B1 B1 B2 B2 B1 SC FW FW PoP 12hr 0 10 90 50 5 QPF 12hr 0 0 0.19 0.07 0 Snow 12hr 00-00 00-00 00-00 Rain S D D C C C C Snow C C C Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 25 57 30 61 33 63 36 67 Temp 33 28 47 52 38 31 52 56 42 34 54 59 45 37 59 61 Dewpt 25 22 28 29 28 25 32 31 31 27 34 33 33 30 37 36 PWind dir S SW S S S SW S S Wind char GN LT LT LT GN LT GN GN Avg clouds FW FW SC SC SC B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 5 5 5 5 5 $$ MTZ330-182200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 230 AM MDT Sat Oct 18 2025 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 45 25 47 21 42 Temp 27 24 25 38 44 42 33 30 27 28 35 45 45 43 35 30 27 23 27 37 42 40 Dewpt 26 22 22 20 18 22 22 22 21 21 27 29 32 33 30 27 24 21 22 24 19 22 RH 96 92 88 48 35 44 63 72 78 75 72 53 60 67 82 88 88 92 81 59 39 48 Wind dir W NW SW SW SW SW S S SE SE SW SW SW W W W W W W W W SW Wind spd 9 4 2 5 12 12 11 16 12 11 16 24 23 18 17 13 10 6 8 11 13 10 Wind gust 26 33 28 25 Clouds SC FW SC SC FW FW SC SC B1 B1 B2 OV OV B2 B2 B1 B1 SC B1 SC FW CL PoP 12hr 0 5 90 70 10 QPF 12hr 0 0 0.14 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain L D L L Snow S L C C Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 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 16 48 21 52 23 52 26 54 Temp 24 17 41 44 29 22 45 47 31 23 45 47 33 26 48 51 Dewpt 21 17 23 23 23 21 30 29 27 23 33 31 28 25 34 33 PWind dir SW S S S S S S S Wind char LT LT LT LT LT LT GN GN Avg clouds FW FW SC FW SC SC SC SC SC SC SC SC SC SC B1 SC PoP 12hr 0 0 5 5 5 5 5 5 $$ MTZ328-182200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 230 AM MDT Sat Oct 18 2025 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 53 35 55 30 49 Temp 33 29 29 43 52 51 42 39 39 38 42 52 52 46 38 36 34 31 32 43 48 46 Dewpt 28 24 25 22 16 20 25 26 25 21 29 33 36 32 31 29 26 25 25 26 24 25 RH 82 81 85 43 24 29 50 59 57 50 60 48 54 58 76 75 72 78 75 51 39 43 Wind dir SW S SW SW SW S S S S S S SW W W W SW SW SW SW W W SW Wind spd 11 10 9 6 9 8 11 17 17 18 20 21 21 16 13 14 14 13 13 11 9 5 Wind gust 25 Clouds SC FW FW SC FW SC B1 B1 B1 SC B1 OV B2 SC SC SC SC SC FW FW FW FW PoP 12hr 0 5 80 20 0 QPF 12hr 0 0 0.09 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain D D S S Snow S Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 25 55 30 59 33 61 35 62 Temp 30 27 46 51 36 31 51 53 38 33 53 56 40 35 54 57 Dewpt 22 21 28 30 26 23 30 31 28 26 33 35 31 30 37 35 PWind dir S S S S S SW S S Wind char LT GN LT LT GN GN GN GN Avg clouds FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 5 0 5 5 5 5 $$ MTZ305-182200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 230 AM MDT Sat Oct 18 2025 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 55 37 61 36 52 Temp 34 31 33 48 54 50 40 40 41 43 46 56 59 54 46 44 41 39 39 47 51 49 Dewpt 32 28 26 25 18 19 21 22 25 27 30 35 29 28 30 31 31 29 29 33 30 28 RH 92 88 75 40 24 29 46 48 52 53 53 45 32 36 53 60 67 67 67 58 44 44 Wind dir SW SW SW SW W SW S SW SW S SW SW W W W W W W W NW W W Wind spd 12 12 12 13 14 10 10 12 16 18 21 26 29 24 21 19 18 17 18 18 17 10 Wind gust 36 44 35 34 29 28 27 27 Clouds B1 CL CL CL CL FW SC B1 B1 B2 OV OV B1 SC SC SC B1 B1 B1 B1 FW FW PoP 12hr 0 30 50 20 10 QPF 12hr 0 0 0.03 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain S C C S S S Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 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 61 32 64 39 68 43 70 Temp 35 32 54 56 41 33 56 58 45 41 61 63 50 45 63 64 Dewpt 27 24 29 31 31 26 33 30 30 28 36 35 34 31 36 36 PWind dir SW SW W SW SW SW SW SW Wind char GN GN GN GN GN BZ GN GN Avg clouds FW SC B1 SC SC SC SC SC SC SC B1 SC SC SC B1 B1 PoP 12hr 0 0 0 0 0 0 0 0 $$ MTZ314-182200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 230 AM MDT Sat Oct 18 2025 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 51 36 58 37 48 Temp 32 30 33 44 49 47 38 42 43 47 51 56 54 49 43 40 40 39 39 45 47 45 Dewpt 30 27 26 20 15 20 19 23 24 24 30 33 33 30 29 28 30 30 30 31 28 26 RH 92 88 75 38 25 34 46 46 47 40 44 42 45 48 57 62 67 70 70 58 47 47 Wind dir W W W W W W S SW SW SW SW W W W W W W W W NW NW W Wind spd 11 9 10 13 12 5 10 11 14 14 16 20 21 21 18 16 18 17 18 21 18 11 Wind gust 29 28 28 28 29 28 21 Clouds B1 FW FW CL CL FW SC B1 B2 OV OV B2 OV SC SC B1 B2 B2 B2 B1 SC SC PoP 12hr 0 20 50 30 20 QPF 12hr 0 0 0.01 0.01 0.03 Snow 12hr 00-00 00-00 00-00 Rain S S S C C S S C C S S Snow S C C S S Date Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 29 60 34 62 39 63 44 67 Temp 33 33 55 54 40 35 58 56 44 40 59 58 48 45 63 61 Dewpt 24 21 26 29 28 24 29 30 28 24 31 33 31 28 34 35 PWind dir SW SW SW SW SW SW SW SW Wind char GN GN LT GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC FW SC SC SC SC SC SC B1 SC PoP 12hr 0 0 10 5 5 0 5 5 $$ http://www.weather.gov/greatfalls