Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
559 FOUS55 KTFX 152014 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 214 PM MDT Wed Oct 15 2025 MTZ312-161000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 214 PM MDT Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 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 33 54 37 57 31 Temp 46 45 39 35 34 35 38 45 52 52 44 41 41 40 43 52 56 52 42 40 37 35 Dewpt 37 41 36 33 31 32 33 28 34 37 31 28 28 27 30 29 31 35 28 31 29 27 RH 71 86 89 92 89 89 82 51 50 56 60 59 59 59 60 41 38 52 57 70 72 72 Wind dir NE NE SW SW SW W W W SW SW SW SW SW SW SW W W W W W W SW Wind spd 3 3 2 3 5 5 6 6 9 9 13 19 21 20 20 20 19 16 11 12 12 11 Wind gust 29 29 Clouds B2 B2 B2 B1 B2 OV OV B1 SC FW FW FW SC FW SC B1 B1 B1 B1 B1 SC SC PoP 12hr 20 20 0 20 40 QPF 12hr 0 0.01 0 0 0.06 Snow 12hr 00-00 00-00 00-00 Rain S S S S S C C S S Date 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 56 41 63 37 52 32 54 33 56 Temp 50 53 46 47 59 56 44 39 48 48 37 33 47 50 40 34 50 52 Dewpt 24 28 27 29 33 35 30 28 26 29 25 23 24 30 28 24 26 27 PWind dir SW SW SW SW W SW SW SW SW Wind char GN BZ BZ BZ BZ GN GN GN GN Avg clouds SC FW SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC PoP 12hr 5 20 20 40 40 10 5 10 5 Rain S S S C C C C $$ MTZ303-161000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 214 PM MDT Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 29 58 36 53 28 Temp 47 46 35 31 30 30 33 49 56 54 43 42 40 38 40 48 52 48 39 36 35 31 Dewpt 36 41 33 28 26 22 23 26 32 36 27 27 25 27 28 28 30 33 26 26 25 24 RH 65 83 92 88 85 72 66 40 40 50 53 55 55 64 62 46 43 56 59 67 66 75 Wind dir SE S S W NW NW NW NW W W W W W W W W W W W W W W Wind spd 6 5 3 5 8 10 9 9 10 12 20 25 25 24 21 21 23 19 13 13 12 10 Wind gust 34 40 40 37 34 34 34 32 24 Clouds SC SC B2 SC SC SC FW CL CL CL SC FW SC SC SC B1 B1 B1 B1 SC SC SC PoP 12hr 0 0 0 40 30 QPF 12hr 0 0 0 0 0.05 Snow 12hr 00-00 00-00 00-00 Rain C C C C Date 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 52 36 57 33 49 28 50 30 53 Temp 47 49 41 40 55 51 39 35 43 45 34 29 45 46 35 31 48 48 Dewpt 23 29 28 29 32 35 29 28 27 30 25 22 25 29 25 22 26 28 PWind dir W SW SW W W W SW W W Wind char GN BZ BZ BZ BZ GN GN GN BZ Avg clouds SC FW B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 SC PoP 12hr 5 20 30 40 30 10 10 5 5 Rain S C C C C C S Snow C S $$ MTZ319-161000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 214 PM MDT Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 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 53 35 58 33 Temp 46 46 43 40 39 35 36 44 51 51 44 41 40 37 39 49 56 53 47 44 41 36 Dewpt 38 40 37 36 35 32 32 30 34 35 29 28 27 28 30 30 35 33 28 31 29 29 RH 73 79 79 85 85 89 85 57 52 54 55 59 59 70 70 48 45 46 47 60 62 75 Wind dir NW W W W W W W W W W SW SW SW SW SW W W W W W W W Wind spd 2 2 3 3 3 3 3 4 6 8 11 12 10 8 9 12 16 14 13 13 10 6 Wind gust 23 27 26 27 25 Clouds B1 B2 B2 B1 B2 B2 B2 B1 SC FW FW FW SC SC B1 SC SC B1 B1 B1 B1 SC PoP 12hr 10 20 5 20 40 QPF 12hr 0 0 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain S S S C C S S Date 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 55 38 58 36 52 30 54 32 54 Temp 44 54 46 41 51 54 45 38 44 48 39 31 45 50 41 33 44 52 Dewpt 23 30 29 30 33 34 32 30 28 29 26 23 26 30 28 26 27 31 PWind dir SW S SW W W SW SW SW W Wind char GN GN GN GN GN GN LT GN GN Avg clouds SC FW SC SC B1 B2 B1 B1 B2 B1 SC SC B1 SC B1 B1 B1 SC PoP 12hr 5 10 50 50 50 20 5 10 10 Rain C C C C C C S Snow S $$ MTZ326-161000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 214 PM MDT Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 33 48 29 57 27 Temp 46 46 42 40 39 36 37 40 45 46 40 35 34 32 36 49 56 53 45 38 34 29 Dewpt 41 43 41 40 39 36 36 33 36 39 35 32 31 29 32 30 35 35 30 32 28 25 RH 83 89 96100100100 96 76 70 76 82 89 89 88 85 48 45 50 55 79 78 85 Wind dir W S S SW W W W W W SE S S S S SW W W W W W W SW Wind spd 2 2 2 2 2 3 4 3 4 5 8 9 9 8 8 8 11 11 10 10 9 5 Wind gust 21 Clouds B2 B2 OV OV OV OV OV OV B2 B1 FW SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 50 50 10 5 40 QPF 12hr 0.09 0.20 0 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain S C S C C C C C S C C C C Obvis PF PF PF PF Date 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 53 32 60 31 49 25 52 27 51 Temp 44 52 40 37 53 55 41 34 42 45 33 26 44 49 36 29 43 48 Dewpt 24 33 30 29 34 39 33 29 27 32 27 22 27 34 31 25 28 30 PWind dir SW S S SW W S SW S SW Wind char LT GN GN GN GN LT LT LT LT Avg clouds SC FW SC SC B1 B1 B2 B2 B2 B1 SC SC SC SC SC B1 B1 SC PoP 12hr 0 5 40 60 40 10 5 10 10 Rain S C L L C C Snow S $$ MTZ330-161000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 214 PM MDT Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 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 28 43 23 45 20 Temp 48 45 39 37 35 31 34 40 42 41 35 32 28 27 31 38 45 42 34 31 25 21 Dewpt 41 43 38 37 35 31 34 32 33 37 32 32 28 26 29 28 31 32 26 29 23 19 RH 77 93 96100100100100 73 70 85 89100100 96 92 67 58 67 72 92 92 92 Wind dir SW SW SW W W NW NW NW W W SW SW SW SW SW SW SW SW SW SW SW W Wind spd 4 2 2 2 2 2 2 5 8 5 8 11 9 6 9 12 14 13 11 10 5 2 Wind gust 25 Clouds OV B2 B2 OV OV OV OV OV OV B2 B1 B2 B2 B2 B2 B1 SC B1 B1 B1 B1 SC PoP 12hr 40 60 30 10 30 QPF 12hr 0.09 0.02 0 0 0.03 Snow 12hr 00-00 00-00 00-00 Rain C C C C C C C C C S C C Rain shwrs C C Snow C S S C C C Tstms S S Obvis PF PF PF PF PF PF Date 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 46 23 51 23 41 18 43 19 43 Temp 40 44 30 26 46 49 33 26 37 37 26 19 38 40 27 20 37 40 Dewpt 20 30 27 23 29 37 31 24 24 28 25 19 23 29 25 19 25 26 PWind dir SW S SW SW W SW SW SW SW Wind char LT GN GN GN GN LT LT GN LT Avg clouds SC FW FW SC B1 B1 B2 B2 B2 B1 SC SC B1 SC B1 B1 B2 SC PoP 12hr 0 0 30 70 50 20 10 10 10 Rain C L L Snow S L C C S S $$ MTZ328-161000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 214 PM MDT Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 32 51 29 56 27 Temp 47 45 40 37 36 34 34 42 49 48 38 33 31 31 34 49 55 51 40 34 32 30 Dewpt 41 44 40 37 36 33 33 31 36 40 32 28 27 26 29 29 33 37 28 29 27 25 RH 79 96100100100 96 96 65 61 74 79 82 85 81 82 46 43 59 62 82 81 81 Wind dir NE NE NE NW SW SW SW W SW W S SW S SW SW SW W W SW SW SW SW Wind spd 2 3 2 4 5 5 5 4 4 4 6 9 10 10 11 10 12 10 10 10 10 10 Clouds OV B2 OV OV OV OV B2 B2 SC FW FW SC SC B1 B1 SC SC SC SC SC FW FW PoP 12hr 20 30 5 0 20 QPF 12hr 0.02 0 0 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain S S S S S C S S S Obvis PF PF Date 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 55 33 60 28 47 23 49 26 50 Temp 45 52 38 35 53 53 37 31 39 43 29 24 41 45 33 27 43 46 Dewpt 24 34 30 28 35 41 30 26 25 31 24 20 25 34 28 23 27 31 PWind dir SW S S SW W SW S S SW Wind char GN GN GN GN GN GN GN GN GN Avg clouds FW FW FW SC SC B1 B2 B1 B1 SC SC SC SC SC B1 B1 SC SC PoP 12hr 0 0 40 60 30 10 5 5 5 Rain S C L C S Snow C C S $$ MTZ305-161000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 214 PM MDT Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 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 33 54 34 55 29 Temp 47 46 39 38 37 35 36 45 52 51 43 41 39 39 42 50 54 50 41 37 34 30 Dewpt 38 44 38 38 37 34 35 33 38 41 34 33 30 30 33 31 34 36 30 31 28 25 RH 71 93 96100100 96 96 62 59 68 70 73 70 70 70 48 46 58 65 79 78 81 Wind dir E E N W W W W W SW SW SW SW SW W W NW W NW W W W SW Wind spd 3 3 2 3 4 5 6 8 10 9 11 16 18 19 20 21 20 14 12 11 11 11 Wind gust 29 34 33 32 32 Clouds OV OV B2 B2 OV OV OV B2 B1 FW FW SC SC SC B1 B1 B1 B2 B1 B1 SC SC PoP 12hr 20 20 0 20 20 QPF 12hr 0 0 0 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain S S S S S S S S Obvis PF PF PF Date 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 56 33 63 35 54 29 56 31 58 Temp 48 52 40 40 58 57 45 39 48 49 37 30 49 51 39 32 50 53 Dewpt 24 30 26 27 32 37 34 31 31 35 30 24 28 34 30 26 29 29 PWind dir SW SW SW W W W SW SW W Wind char GN GN BZ BZ BZ GN GN GN GN Avg clouds FW CL FW SC B1 SC B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC PoP 12hr 0 10 10 30 30 5 5 5 5 Rain S C C S $$ MTZ314-161000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 214 PM MDT Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 32 46 33 53 29 Temp 46 44 39 37 37 35 36 39 43 44 39 37 37 37 41 49 51 47 40 37 34 30 Dewpt 41 43 39 37 37 35 36 35 37 38 33 30 29 27 30 31 33 36 30 31 29 25 RH 83 96100100100100100 85 79 79 79 75 72 67 65 50 50 65 67 79 82 81 Wind dir E E W W W W W W W W SW SW SW W W NW NW NW W W W W Wind spd 4 3 3 4 4 5 5 8 9 5 10 11 11 13 17 24 20 14 12 11 10 10 Wind gust 23 27 29 31 27 21 Clouds B1 OV OV B2 OV OV OV OV B2 B1 SC SC SC SC SC SC SC B1 B2 B1 B1 SC PoP 12hr 30 50 20 20 50 QPF 12hr 0.10 0.13 0 0 0.14 Snow 12hr 00-00 00-00 00-00 Rain S S C C C C S S S S C C C C Snow C Obvis PF PF Date 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 52 34 62 33 48 27 52 30 53 Temp 46 47 41 43 59 54 42 35 44 44 34 28 47 47 37 32 48 48 Dewpt 23 29 27 27 35 39 31 28 28 31 25 21 25 33 28 23 28 29 PWind dir W SW SW W W W W SW W Wind char GN GN GN GN BZ GN GN GN GN Avg clouds SC FW FW SC B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 SC PoP 12hr 0 10 30 50 40 20 5 10 10 Rain C C C C C S Snow S S $$ http://www.weather.gov/greatfalls