Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
827 FOUS55 KTFX 140259 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 859 PM MDT Mon Oct 13 2025 MTZ312-141000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 859 PM MDT Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 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 25 40 28 40 34 Temp 28 28 26 26 29 34 39 39 34 33 30 29 31 37 39 39 36 36 37 37 Dewpt 24 25 24 24 27 29 31 31 31 30 29 28 30 32 33 33 33 33 34 33 RH 85 88 92 92 92 82 73 73 89 89 96 96 96 82 79 79 89 89 89 85 Wind dir NE NE NE W NW NW E E NW W W SW W W W SW SW SW W SW Wind spd 10 8 5 3 3 5 5 6 6 6 3 4 4 3 4 4 4 5 6 8 Clouds B2 B2 B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 PoP 12hr 20 20 30 40 60 QPF 12hr 0 0 0 0.01 0.04 Snow 12hr 00-00 00-00 00-00 Rain S S C S C C C C C C L L C Snow S S S S C S C Obvis PF PF Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 35 54 32 56 38 64 35 49 Temp 47 51 40 36 50 50 37 33 51 53 43 43 58 57 45 38 44 45 Dewpt 37 36 31 27 33 33 30 27 30 29 27 28 35 33 32 30 30 29 PWind dir W SW W W SW SW SW SW W Wind char GN GN BZ GN GN GN BZ GN GN Avg clouds B2 SC SC SC SC B1 B1 B1 SC FW SC SC B1 B1 B1 B1 B2 B1 PoP 12hr 40 20 30 40 10 10 30 40 40 Rain C S S S C C C S C C C C C $$ MTZ303-141000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 859 PM MDT Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 23 40 21 46 29 Temp 25 25 25 24 27 33 38 38 30 27 23 21 25 38 45 45 36 33 32 32 Dewpt 23 22 23 21 24 28 30 30 27 25 22 21 23 31 35 36 32 30 29 27 RH 92 88 92 88 88 82 73 73 88 92 96100 92 76 68 70 85 89 88 81 Wind dir E E E E E E E SE S SW NW W W S S S SW W W NW Wind spd 8 5 5 3 3 5 8 6 6 5 4 3 3 5 5 4 5 8 10 10 Clouds OV OV OV OV B2 B1 B1 B1 B2 B1 SC SC SC B1 B1 B1 B1 SC SC SC PoP 12hr 20 20 20 20 30 QPF 12hr 0.02 0 0 0 0 Snow 12hr T 00-00 00-00 Rain S S S S S C C S S S Snow S S S S S S S S S Obvis PF PF Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 56 34 51 29 53 35 59 31 45 Temp 50 52 39 36 48 46 34 30 48 50 38 38 55 54 40 33 41 42 Dewpt 33 32 27 24 32 32 29 25 29 28 28 28 34 33 31 28 30 29 PWind dir W W NW W W SW SW W NW Wind char GN GN BZ GN GN GN BZ BZ GN Avg clouds SC FW SC SC B1 B1 SC SC SC FW SC B1 B1 B1 B1 B2 B2 B1 PoP 12hr 10 5 30 20 5 10 30 30 30 Rain S C C S C C C C C S Snow C $$ MTZ319-141000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 859 PM MDT Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 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 25 41 29 41 34 Temp 29 28 28 26 27 32 38 38 35 34 32 30 30 34 40 40 38 38 38 37 Dewpt 23 23 24 24 26 29 31 30 28 29 29 29 30 33 34 33 32 32 33 33 RH 78 81 85 92 96 88 76 73 75 82 88 96100 96 79 76 79 79 82 85 Wind dir NW W W W W NW NW NW W W NW NW NW NW NW NW W W W W Wind spd 6 4 2 2 2 5 5 10 8 4 3 5 4 4 2 2 3 4 4 4 Clouds OV B2 B2 B2 OV B1 B1 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 PoP 12hr 20 30 30 60 60 QPF 12hr 0 0 0 0.02 0.05 Snow 12hr 00-00 00-00 00-00 Rain S S C C C L L C C L L L L C Snow S S S S S C L L Obvis PF PF Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 51 34 53 34 56 36 61 35 50 Temp 42 50 41 35 46 50 42 36 46 53 44 39 52 56 45 38 43 46 Dewpt 36 36 31 27 34 31 30 29 32 30 29 29 37 35 34 30 33 30 PWind dir W SW W W W SW S SW W Wind char LT GN GN GN GN GN GN GN GN Avg clouds B2 B1 SC SC SC B1 B1 B1 SC FW SC SC B1 B1 B1 B1 B2 B2 PoP 12hr 50 20 30 40 10 20 40 50 60 Rain C C S S C C C S C C C C L L $$ MTZ326-141000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 859 PM MDT Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 23 48 30 44 31 Temp 31 28 27 25 28 37 45 45 39 35 34 31 33 38 42 43 38 36 36 35 Dewpt 26 26 26 25 28 33 34 34 35 35 34 31 33 36 37 37 35 36 36 35 RH 81 92 96100100 85 65 65 85100100100100 92 82 79 89100100100 Wind dir E N NW W W NW NW W NE N SE E SE W W W W SW W W Wind spd 10 8 5 3 2 4 9 5 5 5 4 6 2 4 2 2 2 3 4 5 Clouds B2 SC B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 OV OV OV PoP 12hr 20 40 60 70 70 QPF 12hr 0 0 0.05 0.09 0.12 Snow 12hr 00-00 00-00 00-00 Frzg drzl S Rain S S C C L L L L C C C C L L L Snow S S S C S L Obvis PF PF Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 48 29 54 28 54 32 60 30 50 Temp 40 47 37 30 46 50 38 29 44 53 39 35 52 56 42 35 43 46 Dewpt 37 36 34 28 34 32 31 26 30 31 30 28 35 35 35 32 34 30 PWind dir W S SW W SW S S S W Wind char LT GN GN GN GN GN GN GN LT Avg clouds OV B2 B1 SC SC SC B1 B1 SC FW SC SC SC B1 B1 B1 B1 B1 PoP 12hr 60 30 20 30 10 10 30 50 50 Rain L C C S S C C S C C C C C Snow S C $$ MTZ330-141000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 859 PM MDT Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 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 25 50 27 42 27 Temp 36 31 28 27 33 45 49 46 37 34 31 29 34 40 42 40 34 32 32 31 Dewpt 31 30 28 27 33 40 38 38 35 34 31 29 33 37 35 34 32 32 32 30 RH 82 96100100100 82 66 73 92100100100 96 89 76 79 92100100 96 Wind dir E NE E N NE SW SW S E E E E S SW SW SW SW SW SW W Wind spd 5 6 4 1 2 10 8 4 4 5 3 5 3 9 9 4 4 5 3 2 Clouds B1 B2 B2 B2 OV B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 OV OV OV PoP 12hr 50 70 80 90 80 QPF 12hr 0.01 0.09 0.14 0.10 0.12 Snow 12hr 00-00 00-00 00-00 Drizzle S Frzg drzl C Frzg rain C Rain L C L L D D D D D C C D D D Rain shwrs C D Snow D D D D D Tstms S S Obvis PF PF PF Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 42 24 44 20 44 24 50 22 43 Temp 38 42 31 25 39 42 28 21 39 42 30 26 45 47 34 24 38 40 Dewpt 34 33 30 25 32 29 26 21 27 26 27 25 32 30 30 24 29 25 PWind dir W SW SW SW SW S SW SW SW Wind char LT GN GN GN GN GN GN GN LT Avg clouds OV B2 B1 B1 B2 B1 B1 B1 B1 FW FW SC B1 B1 B1 B1 B2 B1 PoP 12hr 80 40 30 30 10 5 30 50 50 Rain D L C C C C S C C C Snow D L C C C C C S C C C $$ MTZ328-141000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 859 PM MDT Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 26 48 33 45 32 Temp 27 26 26 27 30 37 46 45 38 35 35 34 35 41 44 43 38 36 36 34 Dewpt 25 26 26 27 30 34 37 39 37 35 35 34 35 39 40 41 38 36 36 34 RH 92100100100100 89 71 79 96100100100100 92 86 93100100100100 Wind dir NE NE NE NE NE N N NE NE NE NE NE S N W SW S SW W W Wind spd 10 10 8 6 5 6 6 8 5 8 5 5 5 5 5 4 4 5 6 8 Clouds B2 B1 B1 OV B2 B2 B1 B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 PoP 12hr 30 30 60 60 60 QPF 12hr 0 0.04 0.02 0.05 0.03 Snow 12hr 00-00 00-00 00-00 Rain C S C C C C L L C C C C L L C Snow S S S C C Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 50 29 54 27 55 32 59 29 47 Temp 43 47 34 30 47 49 34 28 47 51 35 34 52 53 39 33 42 42 Dewpt 38 37 30 25 34 33 28 23 30 31 28 28 37 37 33 29 30 31 PWind dir W SW SW SW SW S S S SW Wind char LT GN GN GN GN GN GN GN GN Avg clouds B2 B1 SC SC SC FW SC SC FW FW FW SC SC B1 B1 B1 B1 B1 PoP 12hr 40 10 10 20 5 5 30 40 40 Rain C S S S C C C C C Snow C $$ MTZ305-141000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 859 PM MDT Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 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 24 48 29 47 35 Temp 32 31 29 26 30 40 45 46 37 35 32 30 33 43 47 45 40 38 37 36 Dewpt 24 25 26 23 27 30 31 32 33 33 31 30 32 38 38 39 38 38 37 36 RH 72 78 88 88 88 67 58 58 85 92 96100 96 82 71 79 92100100100 Wind dir E E E E E E NE E E E E E E E E E W W W W Wind spd 11 10 10 10 9 9 9 8 6 6 6 6 8 10 5 5 4 4 5 6 Clouds OV B2 B2 B2 B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 20 20 20 50 60 QPF 12hr 0 0 0 0.03 0.07 Snow 12hr 00-00 00-00 00-00 Rain S S C C C C L L L L C Snow S S S S S C Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 55 30 57 32 63 33 51 Temp 48 52 39 34 50 50 36 31 49 52 38 35 56 58 45 37 45 46 Dewpt 40 37 35 30 34 33 32 28 32 29 28 26 36 33 35 33 35 33 PWind dir W SW W W W SW SW W NW Wind char GN GN BZ GN GN GN GN GN GN Avg clouds B2 B1 SC SC B1 B1 B1 SC SC FW SC SC B1 SC B1 B1 B2 B1 PoP 12hr 40 20 20 20 5 5 20 20 30 Rain C C S S S S S S S S S C C Snow S $$ MTZ314-141000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 859 PM MDT Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 22 46 29 40 33 Temp 26 26 25 24 29 39 43 41 35 34 33 31 33 38 39 38 35 36 36 36 Dewpt 25 25 25 24 28 32 34 35 34 33 33 31 33 36 36 35 35 36 36 35 RH 96 96100100 96 76 70 79 96 96100100100 92 89 89100100100 96 Wind dir E E E E E NE NE NE E E SE SE E NW NW NW W W W W Wind spd 11 9 5 3 2 4 5 9 9 5 4 6 8 5 5 3 4 4 5 6 Clouds B2 B1 B1 B2 B1 SC SC B2 B2 B2 OV OV OV B2 B2 B2 OV OV OV OV PoP 12hr 20 20 60 60 70 QPF 12hr 0 0 0.01 0.02 0.08 Snow 12hr 00-00 00-00 00-00 Frzg drzl S Rain C C C C L L L L L L L L L Snow S S S S S C L Obvis PF PF Date 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 48 33 51 29 53 33 63 33 47 Temp 42 47 38 34 48 46 36 30 47 48 39 38 57 56 43 37 43 42 Dewpt 38 39 34 27 34 33 33 26 29 29 29 27 35 36 33 30 31 30 PWind dir W SW W W W SW SW SW W Wind char GN GN BZ GN GN GN GN GN GN Avg clouds OV B2 B1 SC B1 B1 B1 B1 SC FW SC SC SC SC B1 B1 B2 B1 PoP 12hr 60 30 30 50 10 10 30 50 40 Rain L C C S S C C C S C C C C C Snow C $$ http://www.weather.gov/greatfalls