Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
370 FOUS55 KTFX 022039 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 239 PM MDT Sat Aug 2 2025 MTZ312-031000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 239 PM MDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue 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 84 52 84 55 Temp 79 77 69 64 60 58 66 77 81 81 72 63 59 56 64 78 84 81 69 63 59 56 Dewpt 55 55 55 55 52 50 50 46 41 39 45 47 44 45 48 50 48 49 53 54 53 51 RH 44 47 61 73 75 75 56 33 24 22 38 56 57 66 56 37 29 33 57 72 80 83 Wind dir W W SW SW SW SW SW W W W NE SE SW SW SW N NE NW W W SW SW Wind spd 14 11 8 8 9 9 11 12 11 9 5 5 4 4 3 4 6 10 9 8 6 8 Clouds B2 B2 SC SC SC SC SC FW FW SC FW SC FW SC FW SC B1 B2 B2 B2 B1 SC PoP 12hr 30 10 5 20 50 QPF 12hr 0 0 0 0.01 0.18 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C C C C Tstms C S S C C C C Heat index 80 Max heat 80 80 82 Date 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 54 86 57 83 56 75 52 72 Temp 74 78 63 56 78 84 65 59 77 79 64 58 68 70 58 54 64 70 Dewpt 50 43 45 43 40 39 43 44 44 43 48 49 50 46 50 50 48 46 PWind dir SW SW SW SW W W W NW NW Wind char GN LT GN LT LT GN GN GN GN Avg clouds SC SC SC FW FW FW B1 SC SC B1 B2 B1 B2 B1 B2 B1 B1 SC PoP 12hr 20 5 0 5 10 20 20 20 20 Rain shwrs S S S S S S S S Tstms S S S S $$ MTZ303-031000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 239 PM MDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 76 49 77 53 Temp 71 70 64 60 57 56 62 70 74 74 66 58 53 51 61 74 77 75 66 60 56 53 Dewpt 54 54 55 54 53 52 53 50 45 45 49 50 48 46 48 48 48 48 52 52 51 50 RH 55 57 73 81 86 86 72 49 35 35 54 75 83 83 62 40 36 38 61 75 83 89 Wind dir NW W W W W NW NW W NW NW N NW W W SW S NW N W W W W Wind spd 14 14 12 10 9 8 10 12 16 16 6 4 4 3 3 6 8 10 8 8 5 6 Clouds OV OV OV B2 B2 B1 SC SC SC SC SC FW SC SC SC SC B1 B1 B2 B2 B2 B1 PoP 12hr 50 20 5 20 40 QPF 12hr 0.02 0.10 0 0.02 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs L S S S C C C C C Tstms C S S S C C C C Date 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 73 51 78 53 74 51 68 48 68 Temp 68 73 58 51 73 77 60 53 70 70 58 52 63 63 53 49 63 68 Dewpt 49 47 45 41 41 41 45 43 45 46 49 48 49 49 50 48 48 46 PWind dir W W W W W W W NW NW Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 SC SC SC FW SC SC B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC PoP 12hr 20 5 0 5 10 20 30 30 20 Rain shwrs C S S S C C S S S Tstms S C S S $$ MTZ319-031000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 239 PM MDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue 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 85 55 84 55 Temp 79 80 72 65 61 57 63 77 84 85 75 66 60 55 61 78 84 79 72 65 60 55 Dewpt 49 48 48 49 49 47 46 44 40 36 38 40 40 42 44 44 44 45 50 50 48 49 RH 35 33 42 56 65 69 54 31 21 17 26 38 47 61 53 30 25 30 46 58 64 80 Wind dir W NW W SW SW SW E W W NW SW SW SW SW SW E NE NW NW W W SW Wind spd 13 18 10 8 6 5 4 8 11 10 5 4 3 2 1 4 6 10 8 6 5 4 Wind gust 24 21 Clouds B2 SC SC SC FW FW FW FW FW FW B1 B2 SC SC SC SC B1 B1 B2 B1 SC SC PoP 12hr 20 0 5 30 50 QPF 12hr 0 0 0 0.02 0.07 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C C S S Tstms C S C C C S S Date 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 82 54 87 57 84 56 76 52 75 Temp 72 81 65 54 78 85 69 57 77 81 68 57 69 73 62 53 67 74 Dewpt 46 40 41 41 42 38 43 43 43 41 45 47 47 43 45 46 45 41 PWind dir W W SW W W W W W NW Wind char GN LT LT LT LT GN LT GN LT Avg clouds SC SC SC FW FW FW B1 SC SC B1 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 10 0 5 5 10 20 30 20 20 Rain shwrs S S C S S S Tstms S C S S $$ MTZ326-031000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 239 PM MDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 84 48 86 50 Temp 81 79 69 62 54 51 61 75 83 82 72 62 54 50 62 79 87 82 70 63 55 51 Dewpt 47 48 49 50 48 46 47 44 40 37 40 44 44 43 43 45 45 46 46 49 48 47 RH 30 34 49 65 80 83 60 33 22 20 31 52 69 77 50 30 23 28 42 60 77 86 Wind dir NW NW SW SE SE S S NW NW N E SE SE SE S NW N NW NW W SW SW Wind spd 11 18 8 5 4 4 2 5 6 6 5 5 5 4 2 3 5 9 9 5 4 3 Clouds SC B1 B1 SC FW FW CL FW FW SC SC B1 SC SC SC SC B1 B2 SC SC SC FW PoP 12hr 30 0 10 20 40 QPF 12hr 0.02 0 0 0.01 0.03 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S C C S S Tstms S S S S C C S S Date 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 50 88 52 88 53 79 48 76 Temp 72 82 63 50 77 85 65 54 79 83 65 53 71 74 59 49 66 74 Dewpt 46 39 42 41 41 38 43 43 43 39 45 46 47 45 46 46 45 42 PWind dir W SE SW E SW W W W NW Wind char LT LT LT LT LT GN LT LT LT Avg clouds FW SC SC FW FW FW B1 SC SC B1 B2 B2 B2 B2 B1 B1 B1 SC PoP 12hr 10 0 5 5 10 20 20 30 20 Rain shwrs S S S C C Tstms S S S C $$ MTZ330-031000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 239 PM MDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue 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 36 75 40 79 39 Temp 79 75 62 52 44 40 52 70 74 72 61 52 43 39 53 75 79 77 65 54 45 39 Dewpt 35 38 42 45 44 40 43 39 33 33 36 39 38 37 38 36 29 30 35 39 38 38 RH 20 26 48 77100100 71 32 22 24 39 61 82 92 57 24 16 18 33 57 76 96 Wind dir W NW NE NE N S N W SW SW SW E NE E SE S SW SW SW S S S Wind spd 17 13 4 2 1 1 1 5 10 12 3 3 2 1 1 8 13 13 8 2 2 2 Clouds B1 B1 B1 B1 FW FW FW SC SC SC B1 SC SC SC SC B1 B1 B1 B1 B1 SC FW PoP 12hr 30 10 10 20 20 QPF 12hr 0.01 0 0 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C S S S S Tstms S C S S S S Date 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 75 37 80 41 81 42 75 39 72 Temp 68 74 52 37 74 78 55 41 75 78 56 42 69 70 51 39 65 68 Dewpt 39 32 33 32 34 30 35 34 35 30 37 37 39 40 43 39 41 35 PWind dir SW S S S S SW SW NW NW Wind char GN LT LT LT GN GN LT LT LT Avg clouds FW SC SC FW FW FW SC SC SC SC B1 B1 B1 B1 B2 B1 SC SC PoP 12hr 5 0 0 5 5 10 20 20 20 Rain shwrs S S S Tstms S S S $$ MTZ328-031000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 239 PM MDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 45 80 48 80 46 Temp 79 77 65 57 50 47 57 71 79 77 65 57 51 47 58 74 79 75 65 57 51 46 Dewpt 49 49 50 48 46 44 45 43 41 40 44 44 43 41 44 46 43 45 47 48 45 43 RH 35 37 58 72 86 89 64 36 26 26 46 62 74 79 59 37 28 34 52 72 80 89 Wind dir NW N NE S S S SW W SW SW NE SE S S SW NW SW W N NE SW SW Wind spd 10 14 9 5 6 6 3 3 6 6 6 5 6 4 2 3 8 10 9 5 5 5 Clouds B1 B1 B1 SC FW FW CL FW FW B1 B2 SC SC SC SC B1 B2 B1 B1 SC SC FW PoP 12hr 20 5 30 30 30 QPF 12hr 0.01 0 0 0.01 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C C C S S Tstms C S C C C S S Date 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 46 85 50 84 51 76 46 74 Temp 70 78 58 47 75 81 61 51 77 81 62 53 68 69 56 47 64 70 Dewpt 45 40 40 38 41 37 41 39 41 41 44 43 49 48 48 44 48 45 PWind dir SW W SW W SW W SW NW NW Wind char LT LT LT GN GN GN GN GN LT Avg clouds FW SC SC FW FW SC B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 5 0 5 5 5 20 20 20 10 Rain shwrs S S Tstms S S $$ MTZ305-031000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 239 PM MDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue 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 58 82 54 86 57 Temp 81 77 68 63 60 59 65 75 79 77 69 63 58 56 65 81 85 82 72 64 60 58 Dewpt 61 59 60 59 57 57 57 56 53 53 55 56 53 53 55 56 54 52 56 57 56 55 RH 51 54 76 87 90 93 75 52 41 43 61 78 83 90 70 42 35 35 57 78 87 90 Wind dir W W W SW SW SW W W W W NE SE SE SE E E SE E S S S SE Wind spd 10 19 5 5 5 6 8 11 14 10 5 4 3 2 3 6 8 9 8 8 5 5 Clouds B2 B2 B1 B2 SC SC SC SC SC SC SC SC SC SC SC FW SC B1 B1 B2 B2 B2 PoP 12hr 70 30 10 20 50 QPF 12hr 0.04 0.19 0 0.03 0.30 Snow 12hr 00-00 00-00 00-00 Rain shwrs L C C S C C S S L L L L C Tstms C C C S S S S C C C C S Heat index 82 81 Max heat 82 80 81 84 80 Date 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 55 86 56 84 55 77 52 74 Temp 73 79 62 57 78 84 64 59 78 79 63 57 71 73 58 54 69 73 Dewpt 56 53 53 50 48 44 49 49 50 49 53 52 52 49 53 51 51 47 PWind dir SW SW W SW W W W NW NW Wind char GN LT GN LT GN GN GN GN GN Avg clouds B1 B1 SC FW FW FW SC B1 SC B1 B1 B1 B2 B1 B1 B1 B1 B1 PoP 12hr 40 5 0 5 10 20 20 20 20 Rain shwrs C C S S S S S S S Tstms S C S S S $$ MTZ314-031000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 239 PM MDT Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 52 79 52 82 52 Temp 75 74 65 58 55 53 63 72 76 76 65 59 55 54 64 77 80 78 67 60 56 53 Dewpt 57 55 56 54 50 48 48 48 46 45 47 46 45 44 47 50 49 51 53 53 52 50 RH 54 51 73 86 83 83 58 42 34 33 52 62 69 69 54 39 34 39 61 78 86 89 Wind dir NW NW W SW SW SW W W W NW E SE SE S SE SE SE SE SW S SW W Wind spd 9 9 5 5 5 5 6 14 13 6 5 5 5 3 3 6 8 9 8 5 4 3 Clouds B1 B1 SC SC SC FW FW FW FW FW FW SC SC SC FW FW SC B2 B2 B2 B1 SC PoP 12hr 30 5 0 30 50 QPF 12hr 0.03 0 0 0.02 0.10 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C S S L L C C Tstms C C S S C C C C Date 08/05/25 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 77 52 82 54 81 54 71 48 67 Temp 70 76 58 54 76 79 61 56 77 77 61 56 65 65 54 51 62 65 Dewpt 50 48 46 44 43 43 46 44 46 47 49 48 50 49 51 49 49 47 PWind dir W W W S W W W W NW Wind char LT LT LT LT LT LT LT LT GN Avg clouds SC B1 SC FW FW SC SC B1 SC SC B2 B2 B2 B1 B2 B1 B1 B1 PoP 12hr 20 5 5 10 10 30 30 40 30 Rain shwrs C S C C S C C S S C Tstms S S C S C $$ http://www.weather.gov/greatfalls