Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
Versions:
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958 FOUS55 KTFX 130202 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 801 PM MDT Sun Oct 12 2025 MTZ312-131000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 801 PM MDT Sun Oct 12 2025 Date 10/12/25 Mon 10/13/25 Tue 10/14/25 Wed 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 34 25 43 30 Temp 30 28 26 26 26 29 32 33 30 29 27 27 31 36 41 43 36 34 32 31 Dewpt 23 25 24 24 24 25 25 25 25 25 25 25 28 29 31 32 32 31 31 29 RH 75 88 92 92 92 85 75 72 81 85 92 92 88 75 67 65 85 89 96 92 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE N W W W Wind spd 12 18 19 19 19 16 16 13 11 10 6 5 3 3 4 5 4 4 4 4 Clouds OV OV OV OV OV OV OV B2 B2 B2 B1 B2 B2 B1 B1 B1 B2 B1 B2 OV PoP 12hr 100 70 20 20 40 QPF 12hr 0.21 0.07 0 0 0 Snow 12hr 2 1 00-00 Rain S S C C L Snow D D D L L C S S S S C L Winter Weath Y Y Y Y Y Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 45 34 52 35 54 33 56 36 59 Temp 39 44 38 36 44 50 41 37 50 50 39 34 50 52 41 38 53 53 Dewpt 35 38 36 34 36 38 32 28 34 35 31 27 33 32 28 26 33 34 PWind dir W SW W SW W W SW SW SW Wind char LT LT GN GN BZ GN GN GN GN Avg clouds OV B2 B2 B2 B2 B1 SC SC B1 B1 B1 B1 SC SC SC SC B1 SC PoP 12hr 60 60 50 20 30 30 20 20 20 Rain L L L L C C S S C C C C S S S S Snow L $$ MTZ303-131000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 801 PM MDT Sun Oct 12 2025 Date 10/12/25 Mon 10/13/25 Tue 10/14/25 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 19 32 23 41 24 Temp 25 23 22 20 21 26 30 30 27 27 25 25 28 34 39 41 33 30 28 25 Dewpt 21 19 17 18 19 21 22 24 23 23 21 21 24 28 29 31 29 28 25 24 RH 84 84 81 92 92 81 72 78 85 85 84 84 85 78 67 67 85 92 88 96 Wind dir N NE NE NE NE NE NE E E E E E E E E E W NW NW NW Wind spd 13 13 13 11 11 11 11 10 8 6 5 5 4 6 5 4 4 5 4 4 Clouds OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B2 B2 B1 B1 B1 PoP 12hr 90 70 20 10 10 QPF 12hr 0.06 0.07 0 0 0 Snow 12hr 1 1 00-00 Rain S S C Snow D C L L C C S S S S S C Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 47 31 53 35 51 30 53 31 54 Temp 40 46 36 33 47 48 39 36 48 47 36 31 48 49 38 32 49 48 Dewpt 33 38 33 30 34 35 29 27 33 32 29 26 31 30 28 25 32 32 PWind dir W W W W W W W SW SW Wind char LT GN GN GN BZ GN GN GN GN Avg clouds B1 B1 B1 B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 PoP 12hr 40 40 30 10 30 20 20 10 30 Rain C C C C C S C C S S S S C Snow C S S $$ MTZ319-131000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 801 PM MDT Sun Oct 12 2025 Date 10/12/25 Mon 10/13/25 Tue 10/14/25 Wed 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 36 26 46 31 Temp 30 29 29 25 25 28 33 33 31 31 29 28 29 34 42 44 39 37 34 32 Dewpt 26 26 26 24 25 25 26 25 24 25 25 26 27 30 34 36 31 31 30 30 RH 85 88 88 96100 88 75 72 75 78 85 92 92 85 73 73 73 79 85 92 Wind dir NW NW NW NW N N N N N NW NW NW N NE N N NW NW NW NW Wind spd 10 11 10 9 9 10 11 11 8 5 3 2 2 3 5 5 4 2 2 2 Wind gust 21 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 B1 B2 B2 B2 OV PoP 12hr 100 70 30 30 50 QPF 12hr 0.25 0.06 0 0 0.02 Snow 12hr 2 1 00-00 Rain C S S C C C C L Snow D D D L S S S S S C C C C L Winter Weath Y Y Y Y Y Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 45 33 49 34 53 33 56 34 59 Temp 37 44 40 35 41 48 41 35 45 49 42 36 44 54 41 35 49 53 Dewpt 34 36 34 32 35 35 32 29 34 33 31 29 31 34 28 27 35 34 PWind dir NW W W SW W W SW SW S Wind char LT LT LT GN GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B1 B1 SC B1 B1 B1 B1 B1 SC SC SC B1 B1 PoP 12hr 70 70 60 30 40 40 30 20 30 Rain L L L L L C C S C C C C C S C C Snow L $$ MTZ326-131000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 801 PM MDT Sun Oct 12 2025 Date 10/12/25 Mon 10/13/25 Tue 10/14/25 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 25 41 24 50 31 Temp 40 36 34 29 29 35 39 37 33 31 28 27 31 41 49 48 42 38 36 33 Dewpt 34 33 31 26 26 26 25 24 25 28 27 26 30 34 36 36 37 38 36 32 RH 79 89 89 88 88 69 57 59 72 88 96 96 96 76 61 63 82100100 96 Wind dir NW N W W NW NE E E E E E E E E N E E E E E Wind spd 8 9 10 10 10 9 11 13 12 10 8 5 3 2 3 5 5 5 5 4 Wind gust 21 24 Clouds OV OV B2 SC SC SC B1 B2 B1 B2 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 PoP 12hr 50 10 20 30 60 QPF 12hr 0.04 0 0 0.01 0.21 Snow 12hr 00-00 00-00 00-00 Rain C C C C C C C L L L Snow C S S S C Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 48 31 49 30 52 28 54 30 59 Temp 40 47 38 34 41 48 38 31 45 49 37 29 45 53 38 31 51 54 Dewpt 37 39 37 34 37 35 35 29 33 33 33 27 31 32 31 26 34 34 PWind dir S SW W SW SW W SW S S Wind char LT LT LT GN GN GN LT GN GN Avg clouds B2 B2 B2 B2 OV B1 B1 SC B1 B1 B1 B1 B1 SC SC SC SC B1 PoP 12hr 70 70 60 30 30 30 30 10 30 Rain L L L L L C C S C C C C C S C Snow C C C S $$ MTZ330-131000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 801 PM MDT Sun Oct 12 2025 Date 10/12/25 Mon 10/13/25 Tue 10/14/25 Wed 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 17 48 24 54 30 Temp 30 28 24 21 24 41 47 45 34 29 27 28 35 47 53 48 40 36 33 31 Dewpt 28 27 24 21 23 28 26 30 28 27 27 28 35 40 39 39 37 36 33 31 RH 92 96100100 96 59 43 55 78 92100100100 76 59 71 89100100100 Wind dir S E E NE NE E S SE E NE NE E E S S S E E E E Wind spd 13 9 4 2 2 5 8 4 9 12 6 2 2 6 9 4 4 4 3 2 Wind gust 27 Clouds B2 B1 SC SC B1 SC SC B1 B1 B1 B1 B2 OV B2 B2 B2 B2 OV OV OV PoP 12hr 20 5 40 60 80 QPF 12hr 0.01 0 0.01 0.16 0.34 Snow 12hr 00-00 00-00 00-00 Rain C C C C L L D D D Rain shwrs L L Snow C C C D D Tstms S S Obvis PF PF PF Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 45 25 42 23 42 21 44 23 50 Temp 41 42 31 27 38 40 31 24 38 40 29 22 38 42 29 23 44 46 Dewpt 37 33 31 27 33 30 31 24 32 29 27 22 30 28 27 23 33 31 PWind dir S SW SW SW SW SW SW SW S Wind char LT LT LT GN GN GN LT GN GN Avg clouds OV OV B2 B2 OV B2 B1 B1 B2 B1 B1 B1 B1 SC SC SC B1 B1 PoP 12hr 90 70 80 50 40 40 30 10 30 Rain D D L L D L C C C C C Rain shwrs D Snow D L D L C C C C C C C Tstms S $$ MTZ328-131000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 801 PM MDT Sun Oct 12 2025 Date 10/12/25 Mon 10/13/25 Tue 10/14/25 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 29 44 26 51 33 Temp 39 37 34 31 30 39 43 40 33 29 28 28 30 42 50 48 40 37 35 34 Dewpt 34 32 32 30 30 31 30 31 29 29 27 27 30 35 38 40 39 37 35 34 RH 82 82 92 96100 73 60 70 85100 96 96100 76 63 74 96100100100 Wind dir S SE NE NE NE NE NE NE NE NE NE NE NE E E E NE NE E NE Wind spd 13 12 10 10 12 11 12 12 12 11 9 6 5 3 5 6 5 6 6 6 Clouds OV B2 OV OV B2 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B2 B2 B2 OV PoP 12hr 40 5 20 40 60 QPF 12hr 0.01 0 0 0.06 0.07 Snow 12hr 00-00 00-00 00-00 Rain C C C C C C L L L Snow S S S S S C Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 49 31 51 29 53 27 54 28 57 Temp 43 47 36 33 44 48 33 30 46 49 32 28 46 50 34 29 48 49 Dewpt 40 40 36 32 37 35 30 26 33 33 28 25 33 31 28 25 34 36 PWind dir S SW SW SW SW SW SW S S Wind char LT LT LT GN GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 SC SC SC B1 SC SC SC SC FW SC SC SC SC PoP 12hr 70 60 40 20 20 20 10 10 30 Rain L C C L C C S S S S S S C Snow S S S $$ MTZ305-131000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 801 PM MDT Sun Oct 12 2025 Date 10/12/25 Mon 10/13/25 Tue 10/14/25 Wed 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 21 40 24 51 31 Temp 30 27 26 24 25 32 38 38 32 29 28 27 31 44 50 48 39 36 34 32 Dewpt 23 22 21 20 20 22 22 23 24 24 23 25 27 32 33 34 35 35 34 32 RH 75 81 81 84 81 66 52 54 72 81 81 92 85 62 52 58 85 96100100 Wind dir N N N NE NE E E E E E E E E E E E E E E E Wind spd 11 10 10 9 10 11 12 12 11 11 11 10 10 10 10 9 5 5 5 5 Clouds B2 B2 OV OV OV OV B2 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2 PoP 12hr 40 40 0 10 30 QPF 12hr 0.01 0.02 0 0 0 Snow 12hr 00-00 T 00-00 Rain C C C Snow C C C Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 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 34 54 33 56 31 58 32 61 Temp 45 47 40 36 48 51 39 34 50 51 37 32 51 53 40 33 53 56 Dewpt 40 42 40 36 41 39 36 31 37 35 33 30 35 32 31 28 36 36 PWind dir NE W W SW W W W SW SW Wind char LT LT GN GN GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B1 SC B1 B1 SC B1 B1 B1 FW SC SC B1 B1 PoP 12hr 60 60 50 30 30 20 20 10 20 Rain C L L L C C C S C C S S S S $$ MTZ314-131000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 801 PM MDT Sun Oct 12 2025 Date 10/12/25 Mon 10/13/25 Tue 10/14/25 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 23 36 23 48 31 Temp 28 27 26 25 25 30 34 34 29 28 27 26 31 41 47 46 38 36 35 32 Dewpt 25 25 25 24 24 24 25 25 26 26 25 25 29 33 36 37 36 36 35 32 RH 88 92 96 96 96 78 69 69 88 92 92 96 92 73 65 71 92100100100 Wind dir N NE E E E E E E E E E E E E E E E SE SE NW Wind spd 5 5 8 10 11 11 13 12 11 9 6 5 3 4 5 5 5 3 3 3 Clouds OV OV OV OV B2 B1 B1 B2 B2 B1 B1 B2 B1 SC SC B1 B1 B2 B2 OV PoP 12hr 100 40 20 20 60 QPF 12hr 0.05 0.01 0 0 0.04 Snow 12hr T T 00-00 Rain S S C C L L L Snow D D C C S S S S S Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 45 32 49 32 52 30 53 32 60 Temp 41 44 38 36 44 46 38 34 49 47 37 32 47 49 39 35 55 53 Dewpt 39 40 38 36 38 36 33 26 33 34 33 28 32 30 29 24 33 35 PWind dir NW W W W W W W SW SW Wind char LT LT GN GN GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 SC PoP 12hr 70 80 60 40 30 50 20 10 20 Rain L L L D L C C C C C C C S S S $$ http://www.weather.gov/greatfalls