Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
421 FOUS55 KTFX 232020 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 220 PM MDT Thu May 23 2024 MTZ312-241000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 220 PM MDT Thu May 23 2024 Date 05/23/24 Fri 05/24/24 Sat 05/25/24 Sun 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 39 63 40 65 42 Temp 50 52 46 42 41 41 49 57 60 62 53 46 42 41 50 60 64 59 52 47 44 42 Dewpt 37 34 34 35 34 34 36 36 37 35 38 37 36 34 37 39 40 41 41 38 35 33 RH 61 50 63 76 76 76 61 45 42 36 57 71 79 76 61 46 41 51 66 71 70 70 Wind dir NW SW SW SW SW SW SW W W W E S SW SW SW W W W W W W SW Wind spd 8 5 8 11 11 11 14 14 13 9 5 5 5 5 5 6 8 10 10 12 13 14 Clouds B2 SC B1 B2 B1 B1 SC B1 B1 SC SC SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 30 30 5 60 50 QPF 12hr 0.02 0.03 0 0.06 0.08 Snow 12hr 00-00 00-00 00-00 Rain S S S S Rain shwrs S S C S S L L C C C C S Tstms S S S S C C S S Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 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 73 45 80 50 76 47 69 Temp 55 63 48 43 64 72 53 46 72 79 57 51 71 72 55 48 63 67 Dewpt 36 35 34 32 37 37 39 36 42 43 45 42 43 39 39 36 33 33 PWind dir SW SW SW SW SW S SW W SW Wind char BZ GN GN LT LT GN GN GN GN Avg clouds B1 SC FW FW FW FW FW FW FW FW SC SC SC B1 SC SC SC SC PoP 12hr 20 0 0 0 10 20 30 20 20 Rain shwrs S S S C S S Tstms S $$ MTZ303-241000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 220 PM MDT Thu May 23 2024 Date 05/23/24 Fri 05/24/24 Sat 05/25/24 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 39 60 37 62 40 Temp 51 51 44 41 41 40 47 55 57 58 50 44 39 38 48 58 61 59 51 45 43 40 Dewpt 33 35 38 38 38 38 39 38 38 39 38 37 35 34 36 37 37 38 36 35 33 32 RH 50 54 79 89 89 92 74 53 49 49 63 76 85 85 63 45 41 45 56 68 67 73 Wind dir NW SW NW W W W W W NW NW W SW W W W W W W W W W W Wind spd 6 8 9 9 9 6 10 13 14 12 6 5 5 5 8 11 13 17 16 14 16 17 Clouds B2 OV OV OV B2 B2 SC B1 B2 SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 70 50 5 40 20 QPF 12hr 0.17 0.06 0.01 0.01 0.03 Snow 12hr 00-00 00-00 00-00 Rain L C Rain shwrs C L C S S C C C C S S Tstms S C S C C S S Obvis PF Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 40 70 42 78 47 71 44 64 Temp 57 61 45 40 63 69 50 43 70 75 56 48 67 67 50 44 60 63 Dewpt 34 33 32 32 36 35 37 36 39 40 42 38 38 35 32 32 29 30 PWind dir W W W SW SW SW W W W Wind char BZ BZ GN GN GN GN BZ BZ BZ Avg clouds SC SC FW FW FW FW FW SC SC SC SC B1 SC SC SC SC SC SC PoP 12hr 5 0 0 0 5 10 20 10 20 Rain shwrs S S S $$ MTZ319-241000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 220 PM MDT Thu May 23 2024 Date 05/23/24 Fri 05/24/24 Sat 05/25/24 Sun 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 65 42 64 42 Temp 51 53 47 44 39 37 45 56 63 64 56 48 44 42 49 59 62 58 53 48 44 43 Dewpt 30 29 33 32 30 30 32 34 34 35 36 36 33 33 37 40 42 39 35 35 32 31 RH 44 39 58 62 70 75 60 43 34 34 47 63 65 70 63 49 48 49 50 60 62 62 Wind dir N SW SW S S SW NE W W W SW SW SW SW S W W W W W W W Wind spd 10 8 9 8 6 5 4 5 9 9 4 3 2 2 2 4 8 11 11 10 10 9 Clouds SC SC SC B1 SC B1 B1 SC SC SC SC B1 B1 B2 B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 10 20 10 70 50 QPF 12hr 0 0 0 0.09 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S L L C C C C Tstms C C S S Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 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 43 76 48 81 52 76 47 72 Temp 54 63 50 44 65 74 56 48 73 76 60 53 70 71 56 48 65 69 Dewpt 34 33 33 32 37 37 38 36 44 42 42 40 42 38 37 34 36 33 PWind dir W W W W SE SW W W W Wind char GN GN LT LT LT LT GN GN GN Avg clouds B1 SC FW FW FW FW FW FW FW FW SC SC B1 B1 SC SC SC SC PoP 12hr 10 0 0 0 10 20 30 20 30 Rain shwrs S C S C Tstms S S $$ MTZ326-241000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 220 PM MDT Thu May 23 2024 Date 05/23/24 Fri 05/24/24 Sat 05/25/24 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 26 62 36 62 36 Temp 42 46 40 33 29 27 39 51 58 60 51 45 39 37 45 56 60 56 49 44 40 37 Dewpt 40 37 35 29 27 25 30 35 36 34 38 37 35 33 36 41 42 43 41 38 36 33 RH 93 71 82 85 92 92 70 54 44 37 61 73 85 85 70 57 51 62 74 79 85 85 Wind dir NW NW S SE SE SE N W W NW SE E SE SE S W SW SW W W W W Wind spd 8 5 6 6 6 5 3 5 6 6 4 4 3 2 2 2 4 5 5 5 5 5 Clouds OV SC FW FW FW FW FW FW SC B1 B2 B2 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 5 20 10 70 70 QPF 12hr 0 0 0 0.13 0.28 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S L L L L C C S Tstms S C C C C Obvis PF Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 36 71 41 77 46 75 43 70 Temp 51 61 45 37 61 70 50 42 68 76 55 47 69 69 52 44 62 69 Dewpt 35 35 34 31 37 38 38 35 43 43 43 41 46 42 40 38 39 40 PWind dir W SW SW SE SW SE SW W W Wind char GN LT LT LT LT LT LT LT LT Avg clouds B2 B1 SC FW FW FW FW FW FW FW SC SC SC B1 B1 SC SC B1 PoP 12hr 20 0 0 0 10 20 40 20 30 Rain shwrs S S C S C Tstms S S S $$ MTZ330-241000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 220 PM MDT Thu May 23 2024 Date 05/23/24 Fri 05/24/24 Sat 05/25/24 Sun 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 54 30 52 29 Temp 37 39 32 26 25 24 35 47 52 52 43 36 32 30 40 49 51 49 42 36 33 29 Dewpt 30 28 27 25 24 23 28 31 29 27 29 29 29 27 30 33 34 33 32 31 30 26 RH 75 64 81 96 96 96 75 53 41 38 57 75 88 88 67 54 52 54 67 82 89 88 Wind dir N NW SW S SE SE SW SW SW SW S SE SE SE S SW SW SW SW SW SW SW Wind spd 6 5 3 2 2 2 3 8 9 6 3 2 2 2 2 6 9 9 5 4 2 2 Wind gust 19 19 19 20 16 Clouds OV B1 FW FW SC B1 B1 SC SC B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 PoP 12hr 10 10 10 80 80 QPF 12hr 0 0 0 0.10 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs D C C D D D D C C Snowshwrs D C C S Tstms S C C C C Obvis PF PF PF Winter Storm W Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 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 54 29 63 32 69 37 68 35 66 Temp 46 54 36 29 56 62 41 33 65 67 46 38 65 65 44 36 61 64 Dewpt 26 28 29 26 30 30 33 30 34 33 37 34 35 32 35 33 33 31 PWind dir W SW SW S S S S SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC FW FW FW FW FW FW FW SC SC SC B1 SC SC SC SC PoP 12hr 20 0 0 0 10 10 30 20 20 Rain shwrs S C S S Snowshwrs S Tstms S S $$ MTZ328-241000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 220 PM MDT Thu May 23 2024 Date 05/23/24 Fri 05/24/24 Sat 05/25/24 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 27 61 36 58 34 Temp 43 46 38 33 29 28 39 53 60 61 50 44 38 37 44 55 57 55 46 40 36 34 Dewpt 35 34 33 30 27 25 30 32 29 30 35 36 33 33 34 36 36 38 36 33 30 28 RH 73 63 82 89 92 88 70 44 31 31 56 73 82 85 68 49 45 53 68 76 79 78 Wind dir NE S S S S S SW SW SW S SE SE S S SW SW SW W NW W W SW Wind spd 10 5 6 8 8 6 6 8 10 10 6 4 4 5 5 6 10 10 10 9 8 6 Clouds B1 B1 SC FW FW SC SC FW SC B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1 PoP 12hr 10 10 20 70 50 QPF 12hr 0 0 0.03 0.07 0.06 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S L L C C C C Tstms S S S C C C C Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 62 37 71 42 77 46 74 44 71 Temp 51 61 43 37 61 70 50 42 69 72 53 46 69 70 50 44 63 70 Dewpt 29 29 31 30 34 33 35 34 40 36 41 39 40 35 36 35 34 31 PWind dir W SW SW SW SW S SW W SW Wind char GN LT LT LT LT LT GN GN GN Avg clouds B1 SC FW FW FW FW FW FW FW SC SC SC SC B1 SC SC SC SC PoP 12hr 5 0 0 0 10 10 20 10 20 Rain shwrs S S Tstms S $$ MTZ305-241000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 220 PM MDT Thu May 23 2024 Date 05/23/24 Fri 05/24/24 Sat 05/25/24 Sun 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 42 63 39 69 44 Temp 55 56 51 46 45 42 47 55 59 60 53 46 42 40 50 63 67 65 57 51 48 45 Dewpt 37 38 41 41 41 41 41 42 41 42 44 42 39 38 41 43 43 43 44 44 41 40 RH 51 51 68 83 86 96 79 61 51 51 71 86 89 92 71 48 42 45 62 77 77 82 Wind dir N NW SW S SW SW W SW W W SW SE SE E S SW W N E SW W W Wind spd 9 6 8 8 8 5 8 10 10 8 3 3 3 3 4 6 8 9 8 9 9 10 Clouds OV B2 B2 OV OV B2 B2 B1 B2 B1 SC SC SC SC SC B1 B1 B1 B1 B2 B1 B1 PoP 12hr 60 60 10 50 40 QPF 12hr 0.05 0.04 0 0.01 0.09 Snow 12hr 00-00 00-00 00-00 Rain C C Rain shwrs S C C S S C C C C C S S Tstms S S S S S S S S S Obvis PF Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 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 44 74 46 82 52 76 48 70 Temp 61 67 52 44 66 72 54 47 74 78 60 52 72 72 56 48 65 67 Dewpt 41 41 40 36 40 41 43 39 45 44 47 43 45 41 43 39 40 38 PWind dir W W W SW S S W W W Wind char GN GN GN LT LT GN GN GN GN Avg clouds B1 B1 SC FW FW FW FW FW FW FW SC SC SC SC B1 SC SC SC PoP 12hr 30 5 0 0 5 20 20 30 30 Rain shwrs C S S S C S C Tstms S S $$ MTZ314-241000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 220 PM MDT Thu May 23 2024 Date 05/23/24 Fri 05/24/24 Sat 05/25/24 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 33 60 37 62 39 Temp 45 47 42 36 36 37 45 53 57 59 48 42 40 38 49 59 61 57 49 45 41 40 Dewpt 36 33 34 31 31 32 34 35 36 38 38 36 34 32 35 39 41 41 43 41 37 35 RH 70 58 73 82 82 82 65 50 45 45 68 79 79 79 58 47 48 55 80 86 85 82 Wind dir N NW W S SW SW W W W NW N S S S S S SE E W W W W Wind spd 13 10 9 6 8 6 8 10 10 8 4 5 4 4 3 4 5 5 5 6 9 10 Clouds B2 B1 SC SC B1 B1 B1 SC B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 10 40 10 80 70 QPF 12hr 0 0.04 0 0.17 0.19 Snow 12hr 00-00 00-00 00-00 Rain S Rain shwrs S C D D L L C C C Tstms S C C C C C S S Date 05/26/24 Mon 05/27/24 Tue 05/28/24 Wed 05/29/24 Thu 05/30/24 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 59 39 68 43 76 48 73 46 66 Temp 51 59 45 40 62 67 48 44 72 74 56 49 70 68 52 46 62 64 Dewpt 36 38 34 31 37 38 38 35 42 43 44 40 45 43 41 37 38 37 PWind dir W W W S S S W W W Wind char GN GN GN LT LT LT GN GN GN Avg clouds B1 B1 FW FW FW FW FW FW FW FW SC SC SC B1 B1 SC SC B1 PoP 12hr 30 5 0 0 10 20 40 40 30 Rain shwrs C C S S C C S S C Tstms S S $$ http://www.weather.gov/greatfalls