Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
249 FOUS55 KTFX 222020 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 220 PM MDT Thu May 22 2025 MTZ312-231000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 220 PM MDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 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 44 64 40 69 43 Temp 63 62 53 49 46 45 49 56 61 63 54 48 44 41 50 62 67 67 58 51 47 44 Dewpt 35 40 44 44 43 41 43 44 43 45 44 44 41 38 42 43 41 40 43 43 41 39 RH 35 44 71 83 89 86 80 64 51 52 69 86 89 89 74 50 39 37 57 74 79 82 Wind dir E S S W W W NW NW N NE NE E S SW W NE NE E E E S S Wind spd 5 9 8 6 5 5 5 5 5 8 5 4 3 3 3 4 6 10 9 5 4 4 Clouds B2 B2 OV B2 B1 B2 B2 B1 B1 SC B1 SC FW FW SC SC SC FW FW FW CL FW PoP 12hr 70 60 20 20 5 QPF 12hr 0.17 0.05 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C C C C C S S S S Tstms S Date 05/25/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 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 74 47 80 50 79 49 81 52 83 Temp 67 72 56 48 72 79 58 51 73 78 59 50 73 80 61 53 75 78 Dewpt 45 42 45 42 46 44 48 44 46 43 46 42 45 42 45 42 46 43 PWind dir SE SE SE S W SE SE SE SW Wind char LT GN LT GN LT GN LT GN GN Avg clouds CL FW FW CL CL FW SC SC SC SC SC FW FW FW SC SC SC B1 PoP 12hr 0 0 10 20 20 10 10 10 30 Rain shwrs S S C Tstms S S $$ MTZ303-231000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 220 PM MDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 41 61 37 69 41 Temp 62 62 55 49 44 42 48 55 59 60 52 46 41 37 48 62 67 68 59 51 45 41 Dewpt 29 30 34 39 38 38 41 41 41 42 42 41 39 36 38 37 35 36 38 39 39 38 RH 28 30 45 68 79 86 77 59 51 51 69 83 92 96 68 39 30 31 45 63 79 89 Wind dir SE SE E E SE N NE E E E SE SE S S S SE E E SE SE SE SE Wind spd 12 10 9 6 5 5 5 8 9 9 8 5 4 3 4 5 6 10 9 8 5 4 Clouds B1 B2 B2 B2 OV B2 B2 B1 B2 B1 B1 SC FW SC FW FW FW FW FW FW FW FW PoP 12hr 50 60 20 10 0 QPF 12hr 0.06 0.14 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C S C C C C L S S Tstms S Date 05/25/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 44 78 47 78 47 79 49 81 Temp 67 72 55 44 71 77 58 47 73 77 58 48 73 78 60 49 74 76 Dewpt 41 38 42 41 43 41 45 41 41 38 40 40 41 39 41 40 41 40 PWind dir SE SE SE S SW S S S SW Wind char GN GN GN GN GN GN GN GN BZ Avg clouds FW FW FW FW FW FW SC SC SC FW SC FW FW FW SC SC FW SC PoP 12hr 0 0 5 10 10 5 5 10 20 Rain shwrs S $$ MTZ319-231000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 220 PM MDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 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 43 68 43 73 45 Temp 63 59 54 49 46 43 49 59 65 67 59 52 47 43 51 64 70 71 63 55 49 45 Dewpt 39 41 42 41 39 38 40 40 39 41 39 40 37 37 39 40 37 36 39 39 38 37 RH 41 51 64 74 76 82 71 49 38 39 47 63 68 79 63 41 30 28 41 55 66 73 Wind dir E W SW W W W W W NW N NW W W W NW N N N E S S S Wind spd 5 5 5 4 3 2 2 3 4 6 3 2 1 1 1 4 6 9 3 1 1 1 Clouds OV B2 OV B2 FW SC SC SC B1 SC SC SC FW FW FW SC SC FW FW FW CL CL PoP 12hr 80 40 10 20 5 QPF 12hr 0.10 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L C S S C S S Date 05/25/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 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 78 49 82 51 80 50 83 53 82 Temp 68 76 59 50 74 79 60 52 73 78 61 51 75 80 63 54 74 76 Dewpt 43 38 40 40 47 41 44 42 46 41 42 40 46 41 44 41 46 43 PWind dir SE SE SE SW W W E S SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW FW FW FW FW SC SC SC B1 SC FW FW SC SC SC SC B1 PoP 12hr 5 0 20 20 30 10 10 10 30 Rain shwrs S S C C Tstms S S S $$ MTZ326-231000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 220 PM MDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 38 66 40 68 40 Temp 60 57 49 45 42 39 47 57 63 65 54 48 43 41 49 59 66 65 56 49 44 41 Dewpt 38 44 42 42 40 37 40 41 39 40 41 41 41 39 42 42 40 39 41 41 40 37 RH 44 62 77 89 93 92 76 55 41 40 61 77 93 92 77 53 38 38 57 74 86 85 Wind dir E N W W S SE NW W NW N NW SE SE SE N NW N NE E E E SE Wind spd 5 8 5 3 2 2 2 2 4 5 3 2 2 2 1 2 4 5 4 4 3 2 Clouds OV B2 B2 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 FW FW FW FW FW PoP 12hr 70 30 30 40 5 QPF 12hr 0.16 0 0.02 0.03 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L S S C C C C Tstms C S S S S Date 05/25/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 43 78 46 77 46 78 47 78 Temp 64 71 52 44 71 76 55 47 69 74 54 47 71 75 57 48 71 72 Dewpt 42 40 41 38 46 41 45 41 47 44 43 40 46 43 44 41 47 46 PWind dir E E NE E NW E E SE SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC SC SC B1 SC FW FW SC SC SC SC B1 PoP 12hr 5 0 10 20 30 20 20 10 30 Rain shwrs S C S S C Tstms S S $$ MTZ330-231000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 220 PM MDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 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 29 62 31 64 31 Temp 61 56 46 38 32 29 40 55 60 59 48 40 34 32 42 58 62 61 50 40 34 31 Dewpt 30 35 35 34 30 29 31 31 28 31 36 36 33 32 34 34 32 33 37 34 32 31 RH 31 45 65 85 92100 70 40 29 34 63 85 96100 73 40 32 35 61 79 92100 Wind dir S SW W W SW N SW SW SW W W NE NE NE N NW NW N NE NE NE NE Wind spd 9 10 4 1 1 0 1 5 6 5 2 1 1 1 1 2 4 5 2 2 1 1 Wind gust 20 23 Clouds B1 B1 FW FW FW SC FW FW SC B1 B2 B1 SC B1 SC B1 B1 SC FW FW FW FW PoP 12hr 40 30 30 50 10 QPF 12hr 0.01 0 0.03 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S C C C C Tstms C S S S S Date 05/25/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 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 68 33 71 35 72 36 73 39 72 Temp 61 66 43 33 67 69 45 35 67 68 46 36 69 69 48 39 67 67 Dewpt 32 31 35 31 36 35 37 33 38 36 37 33 36 35 39 35 38 36 PWind dir NE NE S S S NE SE SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC SC SC B1 B1 SC SC SC B1 SC SC B1 PoP 12hr 10 5 20 20 30 20 20 20 40 Rain shwrs S S C S S S C Tstms S S $$ MTZ328-231000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 220 PM MDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 34 64 39 66 41 Temp 58 51 46 42 37 35 43 55 62 62 51 46 42 39 47 59 64 65 56 49 44 41 Dewpt 38 40 41 39 35 32 37 38 34 35 39 40 38 36 39 41 37 35 38 37 35 35 RH 47 66 83 89 92 89 79 53 35 36 63 79 86 89 74 51 37 33 51 63 70 79 Wind dir N NW NW SW S S SW SW W W N NE S SW NW N N N NE E SE S Wind spd 8 9 5 4 4 3 2 4 5 5 5 5 4 3 2 5 6 9 5 4 3 3 Clouds B2 B2 SC FW FW SC SC SC SC SC B1 SC SC FW FW SC SC FW FW FW CL FW PoP 12hr 40 30 20 20 5 QPF 12hr 0.02 0 0.04 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S S S S Tstms C S Date 05/25/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 45 77 47 75 46 77 48 78 Temp 63 71 53 45 70 73 54 47 69 73 55 46 71 75 57 49 70 73 Dewpt 40 36 37 35 42 40 43 39 44 38 41 37 44 41 43 39 44 41 PWind dir E E S S W NE W SE SW Wind char LT LT LT LT LT LT LT LT GN Avg clouds FW FW FW CL FW SC B1 SC SC SC SC SC FW SC B1 SC SC B1 PoP 12hr 5 5 20 20 20 10 10 10 30 Rain shwrs S S S C Tstms S S $$ MTZ305-231000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 220 PM MDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 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 45 63 39 69 42 Temp 68 67 60 54 50 47 50 58 60 60 54 48 42 40 50 61 67 66 58 50 45 43 Dewpt 35 37 39 42 43 43 45 46 46 46 46 45 42 40 44 45 45 44 45 45 44 42 RH 29 33 46 64 77 86 83 64 60 60 74 89100100 80 56 45 45 62 83 96 96 Wind dir SE E E E E E E E E E E E E E E E E E E SE E E Wind spd 16 16 13 11 10 9 8 10 11 12 10 8 5 5 5 6 9 10 9 8 5 5 Clouds B1 OV OV B2 OV OV OV B2 B2 SC B1 B1 SC SC SC SC SC FW FW FW FW FW PoP 12hr 60 70 20 30 5 QPF 12hr 0.08 0.06 0.01 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C L L C C L S S C C Tstms S Date 05/25/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 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 74 46 77 48 80 48 81 49 83 Temp 67 72 55 46 72 75 58 49 74 78 59 49 75 79 60 50 76 79 Dewpt 48 45 46 44 50 45 47 46 50 45 48 45 48 44 47 44 49 46 PWind dir SE SE SE SE S SE SE SE S Wind char GN GN GN GN GN GN GN GN GN Avg clouds FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW SC PoP 12hr 5 0 0 10 10 10 10 10 20 Rain shwrs S $$ MTZ314-231000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 220 PM MDT Thu May 22 2025 Date 05/22/25 Fri 05/23/25 Sat 05/24/25 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 42 58 38 62 41 Temp 63 60 52 47 45 44 45 51 56 55 48 43 40 39 49 59 61 59 52 47 43 42 Dewpt 35 38 40 42 42 41 42 43 44 44 43 41 39 37 42 45 44 44 45 44 41 39 RH 35 44 63 83 89 89 89 74 64 66 83 93 96 92 77 60 53 57 77 89 93 89 Wind dir SE SE E E W W NW NW NW N E SE SE SE E NE NE E E SE SE SE Wind spd 12 11 10 6 5 5 5 6 6 8 5 5 4 3 3 5 5 5 5 5 5 4 Wind gust 23 Clouds B1 OV OV OV B2 OV B2 B2 B2 B1 B1 B1 SC B1 SC B2 B2 SC SC SC FW FW PoP 12hr 90 70 30 60 10 QPF 12hr 0.21 0.04 0 0.05 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L D L C S C L C C S S L L Tstms S S S S Date 05/25/25 Mon 05/26/25 Tue 05/27/25 Wed 05/28/25 Thu 05/29/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 67 43 72 45 72 45 75 48 78 Temp 62 65 50 44 68 70 53 46 68 70 54 46 72 73 56 49 72 73 Dewpt 45 45 43 39 46 46 45 41 47 46 46 40 46 46 43 40 48 47 PWind dir SE SE SE SE SE SE SE SE SW Wind char LT GN LT GN LT LT LT GN LT Avg clouds FW FW FW FW FW FW FW SC SC SC SC SC FW SC SC SC SC B1 PoP 12hr 20 0 10 10 20 20 20 20 30 Rain shwrs S S S S S C Tstms S $$ http://www.weather.gov/greatfalls