Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
787 FOUS55 KTFX 112135 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 335 PM MDT Wed Mar 11 2026 MTZ312-121000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 335 PM MDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 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 38 48 28 35 23 Temp 43 40 39 44 45 44 45 44 41 38 35 33 29 30 32 34 32 28 28 27 26 Dewpt 18 22 21 26 26 25 22 16 16 18 20 22 21 22 23 23 21 20 21 21 21 RH 36 48 48 49 47 47 40 32 36 44 54 63 72 72 69 64 63 71 75 78 81 Wind dir SW SW SW SW SW W W W W W W W W N N NE NE NE NE NE NE Wind spd 18 19 35 43 49 49 46 37 28 19 12 9 8 10 11 11 11 9 6 5 5 Wind gust 28 33 49 60 66 69 63 52 40 Clouds B2 B2 B2 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 OV OV PoP 12hr 20 40 70 80 80 QPF 12hr 0 0.02 0.08 0.14 0.13 Snow 12hr 00-00 00-00 1 Rain shwrs S Snow L L L L L L D D L L D D D Snowshwrs S C S High Wind W W W W W W Winter Storm A A A A A A A A A A A A A Date 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 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 28 11 33 22 51 41 64 44 71 Temp 27 26 19 13 26 31 25 29 44 48 47 47 58 61 50 48 64 67 Dewpt 20 13 12 6 14 17 16 22 32 36 33 34 37 34 31 28 36 35 PWind dir N NW SW S SW SW SW SW SW Wind char GN GN LT GN BZ BZ WY BZ WY Avg clouds OV OV OV B2 B1 B1 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 90 80 10 30 40 30 10 0 0 Rain C C C S Snow D D D C S C C $$ MTZ303-121000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 335 PM MDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 28 41 20 31 15 Temp 37 30 30 36 38 35 38 37 33 29 27 24 21 21 28 30 27 22 21 20 18 Dewpt 21 22 22 25 25 18 16 14 16 18 18 16 14 15 16 17 18 16 16 15 14 RH 52 72 72 64 59 49 40 38 49 63 68 71 74 77 60 58 68 77 81 81 84 Wind dir SW S SW SW W W W W W W W W NW N N NE NE E E E NE Wind spd 14 12 23 33 37 39 39 28 20 14 13 12 9 9 10 11 12 10 9 6 6 Wind gust 26 40 51 59 56 55 43 34 25 24 Clouds B2 B2 B1 B1 B1 B1 B1 B2 B2 OV B2 OV OV OV B2 OV OV OV OV OV OV PoP 12hr 50 40 50 50 60 QPF 12hr 0.05 0.01 0.06 0.03 0.06 Snow 12hr 00-00 00-00 1 Rain shwrs S S Snow C C C C C C C C C L L L L D Snowshwrs S C S S High Wind W W W W W W W Winter Storm A A A A A A A A A A A A A Date 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 24 1 28 15 46 37 59 38 66 Temp 21 19 10 5 21 26 18 22 39 43 42 41 53 54 44 42 61 60 Dewpt 16 10 6 -1 11 16 12 17 28 30 31 32 36 33 31 27 35 35 PWind dir N NW SW S SW W W W SW Wind char GN GN LT GN BZ WY WY BZ BZ Avg clouds OV OV OV B2 B1 B1 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 80 30 5 10 30 20 5 0 5 Rain S S Snow D D C C S S $$ MTZ319-121000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 335 PM MDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 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 37 49 32 44 29 Temp 46 42 40 43 44 45 45 46 42 40 38 36 33 36 39 42 43 39 37 35 33 Dewpt 19 21 21 26 28 29 29 27 23 25 26 25 24 27 28 27 28 28 28 28 26 RH 34 43 46 51 53 53 53 47 46 55 62 64 69 69 64 55 55 64 70 75 75 Wind dir SW SW SW SW W W W W W W W W W SW W W W W W W W Wind spd 19 16 19 20 24 25 27 31 24 16 10 6 3 3 6 10 10 3 2 2 2 Wind gust 37 37 44 43 49 51 56 54 48 35 24 18 14 13 17 21 20 Clouds B1 B1 B2 B1 B2 B2 B2 B1 B2 B2 OV OV OV OV B2 B2 OV OV OV OV OV PoP 12hr 40 60 90 90 80 QPF 12hr 0.05 0.13 0.11 0.15 0.21 Snow 12hr 00-00 00-00 1 Rain S S Rain shwrs S C C L Snow D D D D D D D D D D D D D Snowshwrs L C High Wind W W W W W W Date 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 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 43 13 37 25 51 38 65 39 68 Temp 38 37 24 17 28 36 28 30 42 49 45 42 56 62 47 42 59 66 Dewpt 27 17 12 8 13 16 19 23 31 35 33 33 38 35 32 29 37 37 PWind dir W NW W SW SW SW SW SW SW Wind char GN GN LT LT LT GN GN LT GN Avg clouds OV OV B2 B2 B1 B2 B2 OV OV B2 OV B2 B2 B1 SC SC B1 B1 PoP 12hr 100 70 20 40 50 30 10 5 5 Rain C C C S Snow D D L C S S C C C $$ MTZ326-121000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 335 PM MDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 35 54 33 49 32 Temp 46 40 37 41 45 46 51 52 49 44 41 39 36 39 44 47 48 43 42 40 37 Dewpt 16 19 18 22 26 27 29 26 23 26 26 25 25 28 29 27 27 28 30 30 29 RH 29 42 46 46 47 47 42 36 36 49 55 57 64 64 55 45 44 55 62 67 72 Wind dir SW SW SW SW W W W W NW W W W W W W W W W W W SW Wind spd 18 17 17 18 21 25 33 36 27 19 11 10 9 9 12 18 12 6 5 5 5 Wind gust 37 36 34 37 40 47 66 67 54 37 26 23 20 19 33 37 24 Clouds B2 B2 B1 B2 B1 B1 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 10 30 70 80 80 QPF 12hr 0 0.01 0.05 0.15 0.10 Snow 12hr 00-00 00-00 00-00 Rain L D L L D D D Rain shwrs S S C S Snow L L L L D D D D S S D S D High Wind W W W W W W Date 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 50 15 38 23 52 37 67 38 72 Temp 44 42 26 19 30 36 29 29 45 51 44 42 59 65 47 41 62 70 Dewpt 31 19 14 10 12 11 18 23 32 34 33 34 38 32 33 28 36 36 PWind dir W NW W S SW SW SW SW SW Wind char GN GN LT LT GN GN GN GN GN Avg clouds OV OV B2 B1 B1 B2 B2 OV OV OV OV B2 B2 B1 SC SC B1 B1 PoP 12hr 90 70 20 40 50 30 10 0 0 Rain D D C C C S Snow D D L C S S S C C $$ MTZ330-121000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 335 PM MDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 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 26 45 31 44 32 Temp 32 29 27 29 30 32 40 43 42 38 36 34 32 33 39 42 43 38 36 36 34 Dewpt 19 22 21 24 24 26 29 28 28 28 29 28 27 28 30 32 32 29 29 30 29 RH 58 75 78 81 78 78 64 55 57 67 75 78 81 82 70 67 65 70 75 79 82 Wind dir SW SW SW SW SW SW SW W W SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 12 10 10 12 11 13 18 19 14 10 9 9 9 10 13 13 9 6 5 5 6 Wind gust 40 35 37 39 39 44 54 50 44 36 32 31 31 35 39 36 31 25 21 21 23 Clouds B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 OV OV OV OV OV B2 B2 OV OV OV PoP 12hr 50 50 60 80 70 QPF 12hr 0.04 0.01 0.04 0.11 0.09 Snow 12hr 1 00-00 T Rain shwrs S Snow C L L L L L L D D L L L L D Snowshwrs C S S C C S High Wind W W W W W W Date 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 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 11 33 21 43 29 55 28 58 Temp 41 38 24 13 26 31 23 23 37 41 36 31 47 52 35 30 51 54 Dewpt 31 22 14 5 7 14 17 20 29 34 32 30 37 37 31 26 36 39 PWind dir SW NW W SW SW SW SW SW S Wind char GN GN LT LT LT LT LT LT LT Avg clouds OV OV B2 B1 B1 B2 B2 B2 OV B2 B2 B2 B2 SC SC SC SC SC PoP 12hr 100 70 30 50 50 40 10 5 5 Rain C C S Snow D D L C S C C C C C $$ MTZ328-121000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 335 PM MDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 34 53 36 54 38 Temp 43 36 35 38 40 41 48 50 47 41 40 38 37 40 50 53 50 44 42 41 40 Dewpt 18 21 23 26 28 29 31 28 27 28 29 27 27 27 30 29 28 28 29 29 30 RH 36 54 61 62 62 62 51 42 45 59 64 64 67 59 46 39 42 53 60 62 67 Wind dir SW S S SW SW SW W W W W SW SW SW SW W W W SW SW SW SW Wind spd 24 20 20 25 29 32 37 41 32 24 20 21 20 23 31 36 25 16 12 13 13 Wind gust 39 34 37 43 47 51 57 57 50 40 37 36 34 36 48 49 39 28 23 Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 20 30 50 50 50 QPF 12hr 0 0 0.01 0.01 0.02 Snow 12hr 00-00 00-00 00-00 Rain C C C C C C C C L Rain shwrs S S S S C S Snow S C C C C C C C S Snowshwrs S S High Wind W W W W W W Date 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 51 20 42 30 59 40 68 39 72 Temp 48 42 29 23 34 40 33 34 52 57 47 41 61 66 47 41 64 70 Dewpt 30 17 11 8 8 12 18 24 31 36 33 31 36 30 31 28 34 33 PWind dir W NW W SW SW SW SW SW SW Wind char WY WY GN GN GN GN GN GN GN Avg clouds B2 B2 B1 SC B1 B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC PoP 12hr 80 20 10 20 20 10 0 0 0 Rain L D S Snow S D S S S S S $$ MTZ305-121000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 335 PM MDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 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 31 45 20 34 17 Temp 44 34 33 38 42 38 40 40 35 28 27 25 21 22 29 33 30 23 22 21 19 Dewpt 17 20 21 25 29 23 20 19 17 20 20 19 15 16 16 14 13 14 15 15 14 RH 33 56 61 59 60 54 44 42 47 71 74 78 77 77 58 45 49 68 74 77 80 Wind dir W S S SW W W W NW NW SW S W W W NW N N E E E E Wind spd 14 8 12 21 31 32 33 23 13 8 6 8 8 6 8 9 10 9 9 9 8 Wind gust 35 46 49 48 35 Clouds B1 B2 B2 B2 B1 B1 B1 B1 B2 OV B2 B2 B2 B2 B2 B2 OV OV B2 OV OV PoP 12hr 50 50 60 30 60 QPF 12hr 0.02 0.03 0.02 0 0.02 Snow 12hr 00-00 00-00 T Rain C C S C Snow C C C S L L C C C C C C C C L L L High Wind W W W W W Date 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 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 27 6 28 12 43 30 61 38 70 Temp 25 25 14 8 21 26 16 16 33 41 38 36 53 57 45 41 61 65 Dewpt 18 15 10 4 13 14 9 12 21 29 29 30 36 34 33 30 36 35 PWind dir E N SW S S SW W W SW Wind char GN GN LT LT LT GN BZ GN BZ Avg clouds OV OV OV B2 B2 B1 B2 B2 OV B2 OV B2 B2 B1 B1 B1 B1 B1 PoP 12hr 80 50 5 10 20 20 10 0 0 Rain S S Snow L D C S S S S S $$ MTZ314-121000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 335 PM MDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 31 47 23 31 19 Temp 40 35 34 40 44 43 42 39 35 29 28 28 25 26 28 30 28 24 24 24 23 Dewpt 15 17 18 21 27 26 27 23 20 22 23 22 20 21 21 22 20 19 20 19 19 RH 36 47 51 46 51 51 55 52 54 75 81 78 81 81 75 72 71 81 84 81 84 Wind dir W SW SW SW W W W NW NW NW W W NW NW NW NW N E E SE SE Wind spd 11 10 18 25 29 33 37 36 25 13 9 9 9 8 8 8 6 5 5 5 5 Wind gust 31 41 47 55 55 50 39 24 19 Clouds OV OV OV B2 OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV PoP 12hr 20 60 90 80 90 QPF 12hr 0 0.13 0.17 0.24 0.28 Snow 12hr 00-00 00-00 3 Rain shwrs C Snow S D D D D D D D D D D D D D Snowshwrs C L C High Wind W W W W W Winter Storm A A A A A A A A A A A A A Date 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 32 6 28 14 47 36 59 40 68 Temp 30 28 14 8 23 26 18 23 40 43 42 43 55 56 45 45 63 63 Dewpt 24 18 10 3 12 15 12 19 29 36 32 34 39 35 28 29 37 39 PWind dir NE NW W SW SW W W W SW Wind char GN GN LT LT GN GN BZ GN BZ Avg clouds OV OV OV OV B2 B1 B2 OV OV B2 B2 B2 B2 B1 B1 B2 B1 B1 PoP 12hr 100 80 20 30 50 40 10 5 0 Rain C C C Snow D D D C S S S C C C $$ http://www.weather.gov/greatfalls