Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
186 FOUS55 KTFX 230220 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 820 PM MDT Wed May 22 2024 MTZ312-231000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 820 PM MDT Wed May 22 2024 Date 05/22/24 Thu 05/23/24 Fri 05/24/24 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 53 36 64 40 Temp 48 43 40 38 39 44 50 52 44 41 38 37 46 56 61 63 54 48 44 43 Dewpt 43 42 38 36 36 31 32 31 32 33 31 29 33 34 35 35 37 36 35 34 RH 83 96 92 92 89 60 50 44 62 73 76 72 60 43 38 35 52 63 70 70 Wind dir NE NE NE N N N NW W S S SW SW SW W W W S S SW SW Wind spd 13 21 24 23 19 14 9 5 5 8 10 10 13 14 13 11 6 6 6 6 Clouds OV OV OV OV B2 B1 B1 SC B1 SC B1 B1 SC B1 B1 SC SC SC SC SC PoP 12hr 90 70 30 30 10 QPF 12hr 0.39 0.05 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain D L C C C C C S Rain shwrs D D Tstms S S Date 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 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 66 44 65 42 73 46 79 51 79 Temp 61 61 50 46 59 63 49 44 64 71 53 48 72 77 59 53 72 75 Dewpt 37 38 37 35 35 33 33 33 35 34 37 36 41 40 43 42 43 40 PWind dir SW W W W SW SW SW SW SW Wind char GN GN BZ GN GN LT GN GN GN Avg clouds SC B1 B2 B1 B1 SC SC FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 50 40 30 10 5 5 5 10 20 Rain S C C C S Rain shwrs C S Tstms S S $$ MTZ303-231000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 820 PM MDT Wed May 22 2024 Date 05/22/24 Thu 05/23/24 Fri 05/24/24 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 34 54 35 62 38 Temp 44 41 37 34 42 48 51 51 43 40 38 36 44 55 59 61 52 45 41 40 Dewpt 39 36 34 33 34 31 30 33 34 35 33 32 35 35 35 36 36 35 36 35 RH 82 82 89 96 73 51 44 50 70 82 82 85 70 47 40 39 54 68 82 82 Wind dir NE N N N N NW NW SW N SW W W W W W W W SW W W Wind spd 21 17 13 11 12 11 9 6 5 5 6 6 11 16 14 13 10 8 6 6 Clouds OV B2 B1 B1 SC B1 SC B2 OV B2 B2 B2 B1 B1 B1 SC SC SC B1 SC PoP 12hr 70 40 50 40 5 QPF 12hr 0.06 0.02 0.13 0 0 Snow 12hr 00-00 00-00 00-00 Rain L S S C S S Rain shwrs S C C C Tstms S S S S Date 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 42 63 40 70 44 76 48 74 Temp 58 60 46 43 57 59 46 41 63 67 51 46 69 73 56 50 68 68 Dewpt 35 34 34 34 33 31 32 32 33 33 36 36 36 37 39 39 37 35 PWind dir W W W W W W SW SW SW Wind char GN BZ BZ BZ GN GN GN GN BZ Avg clouds B1 B1 B1 B1 B1 SC SC FW FW FW SC SC SC SC SC B1 B1 SC PoP 12hr 30 30 20 5 5 0 5 10 10 Rain C C S S S $$ MTZ319-231000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 820 PM MDT Wed May 22 2024 Date 05/22/24 Thu 05/23/24 Fri 05/24/24 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 55 36 67 43 Temp 47 44 40 37 39 44 51 53 48 44 39 37 45 57 64 66 58 49 47 44 Dewpt 34 36 34 33 33 32 31 31 32 32 31 30 32 35 33 33 34 34 34 34 RH 60 73 79 85 79 62 46 43 54 62 73 75 60 43 31 29 40 56 60 68 Wind dir W W NW NW NW N N W SW SW S S SW W W W SW SW SW SW Wind spd 11 13 14 17 17 14 11 6 5 6 5 5 4 6 9 10 5 4 3 2 Wind gust 25 27 28 25 Clouds OV OV OV OV OV B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 100 90 10 20 20 QPF 12hr 0.65 0.13 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain D D L S S S S Rain shwrs D D S S Tstms S S S S Date 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 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 65 44 66 42 74 47 81 52 80 Temp 60 61 50 45 58 62 50 44 64 71 56 49 72 76 60 53 72 74 Dewpt 37 36 34 33 33 30 32 32 35 33 37 35 41 38 41 40 42 39 PWind dir W W W W W SW S SW SW Wind char LT GN GN GN LT LT LT LT LT Avg clouds B1 B2 B1 B1 B1 SC SC FW SC FW FW FW FW FW SC SC SC SC PoP 12hr 60 50 20 5 5 0 5 10 20 Rain S C C S S Rain shwrs L S Tstms S S $$ MTZ326-231000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 820 PM MDT Wed May 22 2024 Date 05/22/24 Thu 05/23/24 Fri 05/24/24 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 32 49 28 63 37 Temp 46 42 37 33 35 38 44 48 41 34 31 29 40 52 59 62 51 45 41 39 Dewpt 41 38 35 31 33 35 36 34 32 30 27 25 30 36 36 36 36 35 35 34 RH 83 86 92 92 92 89 73 58 70 85 85 85 67 54 42 38 56 68 79 82 Wind dir W W W W NW NW NW W S SE SE SE SW W W W S SE SE SE Wind spd 5 5 5 6 8 10 9 6 4 5 5 5 3 4 8 8 4 4 4 3 Clouds OV B2 OV OV OV OV B2 SC FW FW SC FW FW SC SC SC B1 B1 B1 B1 PoP 12hr 100 100 10 20 10 QPF 12hr 0.31 0.34 0 0 0 Snow 12hr 00-00 T 00-00 Rain D D S Rain shwrs D D D D C S S Snow D D Snowshwrs D Tstms S C S S S S S Winter Weath Y Y Y Y Y Y Date 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 63 38 63 37 70 42 77 47 77 Temp 57 59 46 40 54 60 47 38 60 68 51 44 68 75 56 49 70 70 Dewpt 39 39 39 36 36 35 35 32 37 35 37 36 41 40 41 41 45 44 PWind dir SW SW W SW W SE SW SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 SC SC FW FW FW FW FW FW SC SC SC SC PoP 12hr 70 60 40 10 5 5 10 10 20 Rain S C C Rain shwrs L L C S Tstms C S S S $$ MTZ330-231000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 820 PM MDT Wed May 22 2024 Date 05/22/24 Thu 05/23/24 Fri 05/24/24 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 25 43 24 54 29 Temp 34 31 29 26 30 36 41 42 35 28 26 25 35 47 52 53 42 35 32 30 Dewpt 32 30 28 25 24 27 28 27 28 26 25 24 27 29 28 26 28 29 28 27 RH 92 96 96 96 78 69 59 55 75 92 96 96 72 49 39 35 57 78 85 88 Wind dir SW S SW SW SW W NW NW SW SW S S SW SW SW SW S SE SE SE Wind spd 6 6 6 6 6 6 6 5 2 1 1 1 2 6 8 6 3 2 2 2 Wind gust 17 18 18 Clouds OV B2 OV OV OV OV OV B1 SC FW SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 90 90 10 20 10 QPF 12hr 0.18 0.08 0 0 0 Snow 12hr 1 1 00-00 Rain S Rain shwrs D D S S Snow D D D Snowshwrs D L D D Tstms S S S S S S Obvis F F F Winter Storm W W W W W W W Date 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 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 32 53 29 63 33 68 38 70 Temp 52 51 38 33 47 51 37 30 56 60 41 34 63 65 46 39 66 67 Dewpt 31 30 33 31 30 28 30 27 31 30 32 30 31 28 36 34 34 32 PWind dir S SW SW SW SW S S S S Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW FW FW SC PoP 12hr 60 70 40 10 5 5 10 5 20 Rain S L C C C Rain shwrs L S Snow C Tstms C S $$ MTZ328-231000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 820 PM MDT Wed May 22 2024 Date 05/22/24 Thu 05/23/24 Fri 05/24/24 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 30 47 26 60 36 Temp 38 34 31 30 32 38 44 46 39 34 30 27 38 51 58 59 49 43 40 38 Dewpt 34 31 28 27 29 33 33 31 32 30 26 24 30 35 31 31 34 34 33 33 RH 85 89 88 88 88 82 65 55 76 85 85 88 73 54 36 34 56 70 76 82 Wind dir N NW S SW W N N SW SW S S S SW SW SW SW SE S S S Wind spd 9 13 12 11 12 12 10 6 4 5 5 6 6 8 10 9 5 5 4 5 Clouds OV OV OV OV OV OV B1 B1 FW FW FW FW FW FW SC B1 B1 B2 B2 B1 PoP 12hr 90 100 5 10 10 QPF 12hr 0.41 0.15 0 0 0 Snow 12hr 1 1 00-00 Rain S Rain shwrs D D L C Snow D D D Snowshwrs D D L Tstms S S S S Winter Weath Y Y Y Y Y Y Date 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 60 37 61 36 70 42 76 47 78 Temp 56 57 43 38 53 59 43 37 60 68 49 43 67 73 55 48 71 73 Dewpt 36 35 36 34 34 31 33 31 35 31 36 34 38 35 40 38 41 36 PWind dir SW W SW SW SW S SW S SW Wind char LT GN GN LT LT LT LT GN GN Avg clouds B1 B2 B1 B1 B1 SC SC FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 60 50 20 5 0 0 5 5 10 Rain S C C S Rain shwrs L Tstms C $$ MTZ305-231000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 820 PM MDT Wed May 22 2024 Date 05/22/24 Thu 05/23/24 Fri 05/24/24 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 55 36 65 41 Temp 52 47 42 38 42 49 52 53 46 41 39 36 45 58 63 61 54 47 45 42 Dewpt 43 41 38 37 36 33 32 32 34 34 34 33 37 41 42 41 43 41 40 39 RH 71 79 86 96 79 54 46 44 63 76 82 89 73 53 46 48 66 79 82 89 Wind dir NE NE NE NE NE N N NW S S SW SW W W W W S S S S Wind spd 14 14 12 11 12 12 11 6 4 5 4 5 8 10 10 9 5 5 5 5 Clouds B2 B2 OV B2 B1 SC B1 SC SC B1 B2 B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 70 30 30 50 10 QPF 12hr 0.04 0 0.01 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain L C S C S S C C Rain shwrs C C Tstms S S Date 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 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 68 45 69 43 73 47 80 52 79 Temp 63 65 52 46 62 64 52 44 66 71 55 48 72 76 60 53 73 74 Dewpt 41 41 42 38 39 39 39 37 40 38 41 39 43 43 45 44 45 43 PWind dir SW SW W W W SW SW SW SW Wind char LT GN GN GN GN GN LT GN GN Avg clouds SC B1 B1 B1 SC B1 SC SC FW FW FW FW FW FW SC SC SC SC PoP 12hr 40 40 30 10 5 0 5 10 20 Rain C S S C S Rain shwrs C Tstms S $$ MTZ314-231000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 820 PM MDT Wed May 22 2024 Date 05/22/24 Thu 05/23/24 Fri 05/24/24 Sat MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 34 47 31 60 37 Temp 45 42 38 35 36 39 45 47 40 35 34 32 44 54 58 59 50 43 40 40 Dewpt 41 41 36 34 35 35 35 33 32 31 29 28 32 36 36 37 38 35 34 33 RH 86 96 92 96 96 85 68 58 73 85 82 85 62 50 44 44 63 73 79 76 Wind dir E NE NE N N N NW NW W S S SW W W W NW S S S S Wind spd 8 10 11 12 14 14 13 11 5 5 5 6 8 9 9 8 5 5 5 5 Clouds OV OV OV OV OV OV B2 B1 FW FW SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 90 90 10 40 20 QPF 12hr 0.41 0.35 0.01 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain D D C S Rain shwrs D D D C C S S Tstms S S S S S S S Date 05/25/24 Sun 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 63 40 62 39 68 44 76 49 75 Temp 60 59 46 42 56 59 46 41 62 66 49 46 70 73 55 51 70 70 Dewpt 37 40 39 36 36 35 35 32 35 36 37 36 40 41 42 40 43 44 PWind dir W W W W W SW SW S SW Wind char LT GN GN GN GN LT LT LT GN Avg clouds B1 B2 B2 B1 B1 B1 B1 SC FW FW FW FW FW FW SC SC SC B1 PoP 12hr 60 60 50 20 5 5 10 10 20 Rain C C S Rain shwrs L L C S Tstms C S S S $$ http://www.weather.gov/greatfalls