Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
187 FOUS55 KTFX 282004 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 203 PM MDT Thu Aug 28 2025 MTZ312-291000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 203 PM MDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 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 57 74 53 83 53 Temp 72 71 65 62 60 59 59 66 71 70 62 59 55 53 59 73 80 81 69 62 56 53 Dewpt 54 56 58 58 57 57 57 57 56 56 56 56 54 52 54 51 47 42 46 47 45 44 RH 53 59 78 87 90 93 93 73 59 61 81 90 96 96 83 46 31 25 44 58 66 71 Wind dir SW SW SW SW SW W W N N N N SW SW SW SW W W NW SE S SW SW Wind spd 5 6 5 5 5 5 5 5 8 9 5 5 4 4 4 5 5 6 5 5 5 5 Clouds OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 B1 SC FW FW FW FW FW FW FW PoP 12hr 60 60 30 5 0 QPF 12hr 0.04 0.15 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L C C C C L C C C Tstms S S S S S C S S Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 87 53 88 54 82 53 81 51 84 Temp 79 85 63 53 78 87 64 55 75 79 61 53 71 78 59 51 74 82 Dewpt 45 40 45 43 46 42 46 46 49 46 47 46 46 44 45 43 45 43 PWind dir W E SE E NW NE NE E W Wind char LT LT LT LT LT GN LT LT LT Avg clouds FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 0 5 5 10 10 10 5 5 5 $$ MTZ303-291000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 203 PM MDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 72 47 83 51 Temp 72 72 63 60 58 56 59 65 69 70 60 54 50 48 58 74 81 81 67 60 54 51 Dewpt 48 51 52 53 53 52 52 53 54 53 53 52 49 47 47 47 44 42 45 45 44 42 RH 42 48 67 78 83 86 78 65 59 55 78 93 96 96 67 38 27 25 45 58 69 71 Wind dir S W W W NW NW NW N NE N SE W W W SW SW W W SW SW W W Wind spd 8 8 5 5 4 4 5 8 9 8 5 4 4 4 4 6 8 9 6 6 5 5 Clouds B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B1 SC SC SC FW FW FW FW SC FW FW FW PoP 12hr 40 50 10 5 0 QPF 12hr 0.05 0.05 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C C S Tstms S S Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 51 88 52 79 49 80 48 82 Temp 79 83 60 51 79 86 61 52 71 77 58 49 69 78 57 48 73 80 Dewpt 43 39 43 41 43 40 44 43 47 47 46 44 46 43 42 41 42 39 PWind dir NW E S NE N NE SE SE SW Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW FW SC SC FW FW SC SC SC SC SC SC SC FW SC SC SC FW PoP 12hr 0 5 5 10 10 10 5 5 5 $$ MTZ319-291000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 203 PM MDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 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 56 74 54 82 54 Temp 67 68 65 63 60 56 58 67 71 72 66 62 57 54 58 71 79 81 72 65 59 55 Dewpt 59 57 57 55 55 53 53 55 54 51 53 52 50 49 51 51 46 40 42 42 42 41 RH 75 68 75 75 84 90 83 65 55 48 63 70 77 83 77 49 31 23 34 43 53 59 Wind dir SE S S SW S W W NW N N NW SW SW SW S NW NW NW SW S SW S Wind spd 4 5 5 5 4 3 2 5 8 9 5 2 2 2 2 4 6 8 5 6 5 4 Clouds OV B2 B2 B2 B1 B2 B1 B1 B2 B1 B1 B1 SC SC FW FW FW FW FW FW CL FW PoP 12hr 60 60 20 10 0 QPF 12hr 0.08 0.07 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C S S S S C L S S Tstms C C C S S Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 87 54 87 56 84 54 83 53 84 Temp 74 85 67 55 76 86 68 57 73 83 65 55 71 81 64 54 72 83 Dewpt 45 39 41 40 46 39 41 42 47 45 45 44 47 43 43 41 44 40 PWind dir SE S SE S NW NW N W E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC FW FW FW FW SC SC SC SC FW FW SC SC SC SC PoP 12hr 0 5 5 10 10 10 10 5 5 $$ MTZ326-291000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 203 PM MDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 74 50 79 48 Temp 66 66 62 59 56 53 56 66 72 72 64 59 54 50 56 68 77 77 66 59 53 49 Dewpt 59 58 55 56 53 51 52 52 50 49 48 51 49 47 49 50 45 43 43 44 41 40 RH 78 75 78 90 90 93 86 61 46 44 56 75 83 89 77 52 32 30 43 57 64 71 Wind dir SW SE S S S S S NW NW NW E SE S S S W NW NW SE SE SE SE Wind spd 3 3 3 3 3 3 3 5 6 8 5 3 3 3 2 4 5 5 5 5 4 4 Clouds OV OV OV OV B2 B2 B2 SC B1 B1 B1 B1 SC SC SC FW FW FW FW FW FW CL PoP 12hr 70 50 20 10 0 QPF 12hr 0.11 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L L C S S S S C S S Tstms C C S S C S S Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 49 86 50 84 49 81 47 83 Temp 73 82 61 50 77 84 62 51 76 81 61 50 71 78 59 48 73 79 Dewpt 44 38 41 38 44 38 42 40 45 42 46 43 45 41 43 40 44 38 PWind dir SW E SW E SW E NE E SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL CL FW FW FW FW FW FW SC FW SC SC FW FW SC SC FW FW PoP 12hr 0 0 0 5 10 10 10 5 5 $$ MTZ330-291000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 203 PM MDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 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 40 71 37 71 35 Temp 60 59 54 49 45 42 47 63 69 68 57 49 41 37 47 65 71 69 58 48 39 35 Dewpt 52 52 51 48 45 42 45 43 37 38 41 42 40 37 40 41 34 34 38 38 35 33 RH 75 78 90 96100100 93 48 31 33 55 77 96100 76 41 26 27 47 68 85 92 Wind dir SW SW SW S SW N N W W W N NE N N N NW NW NW N E N N Wind spd 9 5 2 1 1 0 0 5 10 9 2 1 0 0 0 5 9 8 2 1 0 0 Clouds OV B2 OV B1 B1 B1 SC SC SC SC B1 SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 70 30 20 10 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs D L C S S S S S C S S Tstms L C S S Obvis PF PF F PF F Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 76 37 79 39 78 39 75 36 75 Temp 69 74 51 37 73 76 52 39 72 74 52 39 68 73 51 36 68 73 Dewpt 37 33 38 34 38 34 39 36 38 36 41 38 39 36 40 35 37 32 PWind dir W NE SW NE N NE N N W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC FW FW SC SC SC FW FW SC SC SC FW PoP 12hr 0 0 5 5 20 10 10 10 10 Rain shwrs S Tstms S $$ MTZ328-291000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 203 PM MDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 46 75 46 77 46 Temp 67 67 59 55 50 47 53 67 74 73 62 55 49 46 53 67 75 75 64 55 49 46 Dewpt 59 58 56 53 49 45 48 49 46 46 45 45 42 41 45 47 45 44 43 41 39 37 RH 75 73 90 93 96 93 83 52 37 38 54 69 77 83 74 49 34 33 46 59 68 71 Wind dir W N NE S S S SW W NW NW N SW S S SW W NW NW SE S S S Wind spd 5 5 4 5 5 5 5 5 6 8 5 5 5 5 4 3 5 5 4 4 4 5 Clouds OV B2 B2 SC SC SC SC SC SC SC SC SC FW FW FW CL FW FW FW FW CL FW PoP 12hr 40 20 5 5 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C S Tstms C S Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 46 82 48 81 47 79 47 80 Temp 70 78 58 47 71 81 59 48 73 79 58 48 71 77 57 47 72 78 Dewpt 46 41 40 36 45 43 42 39 47 45 45 40 49 44 44 40 47 43 PWind dir SW SE W SE W E W E SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW SC FW FW FW SC SC SC FW PoP 12hr 0 0 5 5 10 5 10 5 10 $$ MTZ305-291000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 203 PM MDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 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 59 77 54 84 54 Temp 80 77 69 65 63 61 61 69 72 71 64 61 57 55 60 73 80 80 68 62 57 54 Dewpt 50 54 57 57 58 58 58 58 59 59 59 58 56 54 55 56 52 52 54 52 50 50 RH 35 45 66 75 84 90 90 68 64 66 84 90 96 96 84 55 38 38 61 70 77 86 Wind dir E E SE S N E NE NE E E E SE S S SW SW SW S SE S S S Wind spd 8 10 6 4 4 3 4 5 5 6 5 4 3 3 3 5 5 5 5 5 4 3 Clouds OV B2 OV OV OV OV B2 B2 OV B2 B2 B2 B1 B1 SC SC FW FW SC FW FW FW PoP 12hr 40 50 30 10 5 QPF 12hr 0.05 0.14 0.06 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C C C C S C C S S Tstms S S S S S S Heat index 80 80 Max heat 80 81 Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 88 54 88 54 80 48 78 48 81 Temp 78 85 63 54 80 85 65 55 73 74 58 49 68 74 57 49 73 78 Dewpt 52 49 51 48 53 49 52 49 54 50 49 45 47 45 47 44 49 46 PWind dir W SE E E NE NE E SE W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW SC B1 B1 B1 SC SC SC FW SC SC FW FW PoP 12hr 0 5 5 20 20 10 5 5 5 Rain shwrs S S $$ MTZ314-291000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 203 PM MDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 70 51 76 52 Temp 75 71 62 60 57 56 58 64 67 65 59 56 54 52 58 69 74 74 62 56 54 53 Dewpt 53 56 58 57 56 55 57 57 58 58 57 55 54 52 54 53 51 50 51 49 47 45 RH 46 59 87 90 96 96 96 78 73 78 93 96100100 86 57 44 43 67 77 77 74 Wind dir E S SW W SW W NW NW NE E SW SW SW SW SW W NW N SE S S S Wind spd 5 5 4 3 2 2 3 4 5 5 4 4 3 3 3 4 5 4 5 5 5 5 Clouds B2 B2 B2 OV B2 B2 OV B2 B2 B2 B2 B2 B2 B1 SC SC SC FW FW FW FW FW PoP 12hr 70 60 40 20 5 QPF 12hr 0.24 0.38 0.07 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C L L C C C C C L C C S S S S Tstms C C S S S S C S C S Date 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 52 83 53 77 49 75 49 78 Temp 77 80 59 53 79 81 60 54 74 74 56 50 67 71 54 49 71 74 Dewpt 47 47 46 42 47 48 47 44 50 51 49 45 48 47 45 42 44 45 PWind dir W SE E SE NE E E SE W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW FW FW FW FW SC SC SC SC B1 SC FW SC SC SC FW PoP 12hr 0 5 5 10 20 20 10 5 5 Rain shwrs S S $$ http://www.weather.gov/greatfalls