Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
985 FOUS55 KTFX 150805 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 205 AM MDT Wed Oct 15 2025 MTZ312-152200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 205 AM MDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 47 33 54 37 57 Temp 30 30 33 39 44 44 40 38 38 36 37 44 52 53 44 43 41 38 42 52 56 52 Dewpt 29 28 32 34 35 37 36 35 36 33 35 34 36 37 31 30 28 25 30 32 31 30 RH 96 92 96 82 70 76 85 89 92 89 92 68 54 54 60 60 59 59 62 46 38 43 Wind dir NE E NW NE NE NE NW W W W W W SW SW SW SW SW SW SW W W W Wind spd 2 2 2 2 3 2 2 3 5 6 6 6 9 10 12 17 19 18 17 16 16 12 Wind gust 26 Clouds B1 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC FW SC SC SC B1 B1 B1 PoP 12hr 30 50 60 10 30 QPF 12hr 0.01 0.06 0.07 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain S S S C C S C L L S S S S C C C Obvis PF PF Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 31 57 42 64 38 53 32 52 Temp 40 36 50 54 48 48 58 56 45 41 48 47 38 34 45 48 Dewpt 30 28 31 29 30 31 34 30 29 30 30 27 27 26 26 28 PWind dir W SW SW SW SW W W SW Wind char GN GN BZ BZ BZ BZ GN GN Avg clouds B1 SC SC FW SC SC B1 B1 B1 B1 B1 SC SC SC B1 SC PoP 12hr 40 0 20 30 40 40 20 5 Rain C S S C C C C C C S $$ MTZ303-152200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 205 AM MDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 49 29 58 36 53 Temp 29 28 31 41 47 46 36 32 32 31 33 50 57 53 43 42 40 37 39 48 52 48 Dewpt 28 27 30 34 35 35 33 30 28 25 26 30 31 31 29 27 25 25 29 30 28 28 RH 96 96 96 76 63 65 89 92 85 78 75 46 37 43 57 55 55 61 67 49 39 46 Wind dir SE S S S SE S S NW NW NW NW W W W W W W W W W W W Wind spd 2 2 4 5 5 4 4 5 9 10 10 10 11 11 16 21 23 21 19 18 19 16 Wind gust 27 35 35 33 31 29 29 26 Clouds B2 B2 B2 B1 SC SC B1 B1 B2 B1 SC SC SC FW SC FW SC B1 B1 B1 B1 SC PoP 12hr 20 20 20 5 40 QPF 12hr 0 0.01 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain S S S S S S C C C C S Snow S S S Obvis PF F PF Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 28 54 37 59 33 49 28 49 Temp 36 32 47 50 42 41 55 51 40 36 43 43 34 30 43 45 Dewpt 27 25 28 29 29 31 33 30 28 28 30 27 26 24 27 25 PWind dir W W SW SW W NW W SW Wind char GN GN BZ BZ BZ BZ GN GN Avg clouds SC SC SC FW B1 B1 B1 B1 SC B1 B1 SC SC SC B1 SC PoP 12hr 20 0 20 30 30 30 10 5 Rain S S C C S C C S Snow C $$ MTZ319-152200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 205 AM MDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 48 34 53 35 58 Temp 30 29 30 37 44 46 42 40 39 36 36 44 52 51 46 43 40 36 38 49 56 53 Dewpt 28 28 29 34 37 37 35 34 35 34 34 36 36 32 29 29 28 27 29 33 33 30 RH 92 96 96 89 76 71 76 79 85 92 92 73 54 48 51 57 62 69 70 54 42 41 Wind dir W W W NW NW W W W W W W W W W SW SW SW SW W W W W Wind spd 1 1 1 2 2 2 3 2 3 2 3 4 6 9 11 13 10 9 10 13 16 13 Wind gust 24 20 26 25 Clouds SC B1 B2 B2 B1 B2 OV B2 B2 B2 B2 B1 B1 SC SC FW SC SC B1 B1 B1 B1 PoP 12hr 40 50 60 10 30 QPF 12hr 0.02 0.09 0.05 0 0 Snow 12hr 00-00 00-00 00-00 Rain S C C C C S C L L C C S S C C C Snow S C Obvis PF PF PF Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 33 56 38 60 35 53 30 53 Temp 44 37 46 53 47 41 50 52 45 38 44 47 39 32 43 48 Dewpt 30 30 30 29 30 31 36 31 29 29 30 26 27 26 28 27 PWind dir W SW S SW W W W SW Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B1 SC FW SC SC B1 B1 B2 B1 B1 B1 SC SC B1 SC PoP 12hr 40 5 20 50 60 50 20 10 Rain C C S C C L C C C S Snow C $$ MTZ326-152200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 205 AM MDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 49 33 48 29 57 Temp 33 33 35 40 45 45 41 39 38 36 37 40 46 47 41 36 34 30 35 49 56 53 Dewpt 33 33 34 38 40 40 40 39 38 36 37 38 37 36 35 33 31 27 31 34 33 31 RH 100100 96 92 82 82 96100100100100 92 71 65 79 89 89 88 85 56 42 43 Wind dir S N W NW W SW SW SW W W W W W SW SW SW SW SW SW W W W Wind spd 3 2 2 2 2 2 2 2 2 3 4 4 5 5 8 9 9 8 9 9 11 11 Wind gust 21 Clouds OV OV OV B2 B2 B2 OV OV OV OV OV B2 B2 B1 SC SC SC SC SC SC SC B1 PoP 12hr 70 70 70 20 10 QPF 12hr 0.06 0.18 0.07 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C C C L C C C C L L C C S S C Obvis PF PF PF Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 27 54 33 60 30 52 24 51 Temp 38 33 44 51 41 38 51 53 40 34 43 47 34 28 41 47 Dewpt 32 29 30 29 31 31 36 35 32 29 29 28 28 25 29 30 PWind dir W SW S SW SW W SW SW Wind char GN LT GN GN GN GN GN LT Avg clouds B1 B1 SC FW SC SC SC B1 B2 B1 B1 B1 SC SC B1 SC PoP 12hr 40 0 10 40 60 40 20 10 Rain C C S C L C C C S Snow C S $$ MTZ330-152200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 205 AM MDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 49 28 43 23 45 Temp 33 32 36 42 46 45 38 36 33 32 34 40 43 41 35 31 28 25 30 39 45 42 Dewpt 33 32 36 41 39 40 37 36 33 32 34 36 32 31 32 31 28 25 28 31 29 29 RH 100100100 96 76 82 96100100100100 85 65 67 89100100100 92 73 53 60 Wind dir NE N SE SW SW SE S W SW W W W W W SW SW SW SW SW SW SW SW Wind spd 2 1 1 2 4 2 2 2 1 1 2 5 9 6 9 11 9 6 9 12 14 12 Wind gust 25 Clouds OV OV OV OV B2 B2 B2 OV OV OV OV OV OV B1 B1 B2 B2 B2 B2 B1 SC B1 PoP 12hr 80 60 80 50 20 QPF 12hr 0.22 0.09 0.04 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain L L L C C C D D D D C C C C S S C Rain shwrs L L C Snow L D D C C S S S Tstms S S C Obvis PF F PF Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 20 47 24 51 22 43 17 43 Temp 31 24 39 43 32 27 45 47 33 25 38 39 25 19 36 40 Dewpt 28 24 26 27 28 27 32 33 30 25 25 23 23 18 27 27 PWind dir SW SW S S SW SW SW SW Wind char GN LT GN GN GN GN LT LT Avg clouds B1 B1 SC FW FW SC B1 B1 B2 B2 B2 B1 SC B1 B1 SC PoP 12hr 40 5 5 40 60 60 30 20 Rain C C S C L L Snow C C S L L C C S S $$ MTZ328-152200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 205 AM MDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 47 32 51 29 56 Temp 31 32 34 39 45 44 40 38 36 34 34 43 50 48 38 33 31 30 33 48 55 51 Dewpt 31 32 33 38 41 42 40 38 36 34 34 38 39 37 33 29 26 25 28 32 31 32 RH 100100 96 96 86 93100100100100100 82 66 65 82 85 81 81 82 54 40 48 Wind dir E NE E N N N N N W W SW SW SW W SW SW SW SW SW SW W W Wind spd 4 4 3 2 2 3 3 4 5 5 5 4 4 5 6 10 10 10 11 10 12 10 Clouds B2 OV OV B2 OV B2 OV B2 B2 OV B2 B1 SC SC SC SC SC B1 B1 SC SC FW PoP 12hr 60 60 40 10 5 QPF 12hr 0.10 0.09 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C C C L C C C C C C S S Snow C C Obvis PF PF PF Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 27 56 33 59 30 51 24 47 Temp 35 31 46 52 39 36 52 50 36 31 43 44 29 27 38 43 Dewpt 29 26 29 32 31 30 37 35 29 26 29 28 25 23 27 30 PWind dir W SW S S SW SW SW SW Wind char GN GN GN GN GN GN GN GN Avg clouds FW SC FW FW SC SC SC B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 10 0 5 40 50 30 10 5 Rain C C C C S Snow C C $$ MTZ305-152200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 205 AM MDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 49 33 54 34 55 Temp 29 29 33 42 47 46 40 38 38 36 37 47 53 51 44 41 39 36 41 50 54 50 Dewpt 29 29 32 35 39 40 39 38 38 36 36 39 39 38 36 34 31 27 32 34 32 32 RH 100100 96 76 74 79 96100100100 96 74 59 61 73 76 73 69 70 54 43 50 Wind dir E E E E NE NE E SW W W W W W SW SW SW SW W W NW NW W Wind spd 1 1 2 3 3 4 3 4 5 5 6 8 9 8 10 12 17 18 19 20 18 13 Wind gust 31 31 31 Clouds SC B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC B1 B1 B1 B2 PoP 12hr 70 60 60 20 30 QPF 12hr 0.01 0.06 0.07 0 0 Snow 12hr 00-00 00-00 00-00 Rain C L L C C C L L C C S S S S C C S Obvis PF F Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 57 35 63 35 55 28 56 Temp 37 33 49 52 43 43 56 57 44 39 48 49 36 32 47 50 Dewpt 30 27 29 28 30 32 34 33 33 30 33 30 29 27 30 29 PWind dir W W SW SW W NW W W Wind char GN GN GN BZ BZ BZ GN GN Avg clouds B1 SC SC FW FW SC SC SC B1 B1 B1 B1 B1 SC SC SC PoP 12hr 20 0 10 20 30 30 10 5 Rain S S S C C S $$ MTZ314-152200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 205 AM MDT Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 47 32 46 33 53 Temp 31 31 36 42 45 44 39 38 37 35 37 39 44 45 39 38 37 35 40 49 51 47 Dewpt 31 31 35 39 40 40 39 38 37 35 37 38 39 39 33 32 29 26 29 32 33 32 RH 100100 96 89 82 86100100100100100 96 82 79 79 79 72 69 64 52 50 56 Wind dir SE E E E E E W W W W W W W W SW SW W W W NW NW NW Wind spd 2 3 2 2 4 3 3 3 4 5 5 8 10 6 9 10 11 13 17 21 18 13 Wind gust 24 27 28 24 Clouds B2 OV OV B2 B1 OV B2 B2 OV OV OV OV B2 B1 B1 SC SC SC SC B1 B1 B1 PoP 12hr 60 50 80 30 30 QPF 12hr 0.03 0.12 0.08 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain C L C C S C C C C D D L L C C C C C Snow C L Obvis PF PF PF Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 29 53 35 62 35 50 27 50 Temp 37 33 47 47 43 45 58 53 42 39 45 44 34 30 45 45 Dewpt 31 29 28 28 30 31 34 34 31 28 30 27 27 25 27 29 PWind dir W W SW SW W W W W Wind char GN GN GN GN GN BZ GN GN Avg clouds B2 B1 SC FW FW SC B1 B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 50 5 20 30 50 50 20 10 Rain C C S S C C C C C S S Snow C C S S $$ http://www.weather.gov/greatfalls