Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
542 FOUS55 KTFX 030217 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 817 PM MDT Tue Sep 2 2025 MTZ312-031000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 817 PM MDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 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 53 89 56 72 44 Temp 74 64 57 53 60 76 86 87 73 65 59 58 63 69 70 69 60 53 48 45 Dewpt 48 50 51 50 52 51 48 46 48 47 44 47 50 50 46 41 37 34 34 34 RH 40 60 80 89 75 42 27 24 41 52 57 67 62 51 42 36 42 48 58 65 Wind dir NE NE N W SW NW N N E SW W NW N N N N NE E E S Wind spd 9 6 4 3 3 3 6 10 5 4 6 8 11 13 14 14 10 5 4 3 Clouds FW FW CL FW FW FW FW SC SC SC FW FW SC B1 B1 SC SC FW FW FW PoP 12hr 0 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H H K K Date 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 74 45 81 51 81 53 81 53 80 Temp 65 73 54 46 69 79 59 52 74 78 60 53 75 79 60 53 73 75 Dewpt 34 33 34 34 37 37 40 40 46 44 49 48 49 42 44 44 47 46 PWind dir E E SE SE SW SW SW SW SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW FW FW FW FW SC B1 B1 B1 SC SC SC SC SC B1 B1 PoP 12hr 0 0 0 5 10 20 10 10 20 Rain shwrs S S $$ MTZ303-031000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 817 PM MDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 49 87 55 69 41 Temp 64 57 52 50 56 73 85 86 70 61 58 56 60 64 67 66 56 50 45 41 Dewpt 50 50 49 49 51 52 46 42 44 43 43 46 49 48 44 39 37 34 32 32 RH 60 77 89 96 83 48 26 21 39 51 57 69 67 56 43 37 49 54 60 70 Wind dir NE NE E SE S S NW N N NW N N N N N N NE NE SE SE Wind spd 9 4 4 4 5 8 9 10 6 6 11 14 18 17 16 14 8 4 3 3 Wind gust 19 25 27 Clouds SC CL FW SC FW FW FW FW SC FW FW SC SC SC SC FW SC FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H H H H K K H Date 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 42 78 47 81 50 79 49 76 Temp 63 71 51 42 67 75 55 47 74 77 58 50 73 77 57 49 70 74 Dewpt 34 34 31 30 36 37 37 37 43 44 46 44 47 43 43 42 45 42 PWind dir SE SE SE SE W W NW W SW Wind char GN GN GN GN GN GN GN LT GN Avg clouds FW CL FW FW FW FW FW SC SC SC B1 SC SC SC B1 B1 B1 SC PoP 12hr 0 0 0 0 10 20 10 10 20 Rain shwrs S S $$ MTZ319-031000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 817 PM MDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 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 92 59 76 48 Temp 78 70 64 58 62 78 89 91 79 71 65 60 63 71 74 72 64 58 53 49 Dewpt 40 44 46 47 48 48 44 39 39 39 39 41 46 48 46 43 41 39 39 38 RH 26 39 52 67 60 35 21 16 24 31 38 49 54 44 37 35 43 49 59 66 Wind dir W W W W NE NE NW NW W W W NW N N N N N N N NW Wind spd 5 5 4 2 1 3 10 11 8 5 5 5 11 16 19 18 10 4 2 1 Wind gust 23 21 27 31 29 Clouds FW FW CL CL CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H K Date 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 78 49 83 55 80 53 80 53 78 Temp 65 78 61 50 70 81 65 56 72 76 64 54 69 79 64 54 70 75 Dewpt 39 38 38 37 43 41 44 44 50 48 49 46 49 45 46 45 49 44 PWind dir NE NW E W SW W W W SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW FW FW SC B1 B1 B1 B2 B1 SC SC B1 SC B1 B1 PoP 12hr 0 0 5 10 30 20 20 20 30 Rain shwrs C S S S S C Tstms S $$ MTZ326-031000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 817 PM MDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 90 52 80 43 Temp 73 64 58 53 60 77 88 88 74 65 58 54 61 74 78 76 64 57 49 44 Dewpt 37 41 40 40 40 41 39 38 40 40 38 38 41 45 44 42 42 44 39 37 RH 27 43 51 61 47 28 18 17 29 40 47 54 48 35 30 30 45 62 68 76 Wind dir E S S S S NW NW NW S S S S NW NW NW N NE E E E Wind spd 6 5 4 3 2 3 6 9 5 5 5 5 5 9 13 16 11 8 5 5 Wind gust 17 24 27 Clouds FW FW FW CL CL FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H H H Date 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 45 82 50 78 49 77 47 78 Temp 65 77 57 46 70 79 61 51 70 74 59 50 69 75 58 48 70 74 Dewpt 39 37 40 35 40 39 45 43 50 46 50 45 50 44 45 42 46 42 PWind dir NE E NE SE SW S W S SW Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW FW FW FW B1 B1 B2 B1 B2 B1 SC SC B1 SC SC SC PoP 12hr 0 0 5 20 40 30 20 20 20 Rain shwrs S S S C C S S S Tstms S S $$ MTZ330-031000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 817 PM MDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 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 82 41 78 36 Temp 66 55 44 39 50 75 80 80 65 55 46 41 54 73 76 73 60 50 42 37 Dewpt 35 35 32 32 34 37 30 33 37 37 34 33 36 37 32 35 40 42 40 36 RH 32 47 62 76 54 25 16 18 35 51 63 73 50 27 20 25 47 74 93 96 Wind dir NE E E SE N W NW NW NW SE S N N NW NW N N NE NE NE Wind spd 5 2 1 1 0 4 9 9 3 1 1 0 0 6 11 12 10 6 3 1 Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H Date 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 76 37 74 41 68 37 69 37 69 Temp 67 73 50 37 68 70 51 42 64 64 49 38 64 67 49 37 65 67 Dewpt 41 33 38 34 40 43 46 42 48 44 46 38 46 39 41 37 42 36 PWind dir N NE SW S SW S SW SE S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW SC SC B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 0 0 20 40 60 40 30 20 30 Rain shwrs S C C C L C S C S C Tstms S S C S $$ MTZ328-031000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 817 PM MDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 87 51 81 44 Temp 73 63 57 52 59 78 86 86 71 61 55 53 61 75 79 76 64 55 48 44 Dewpt 40 38 38 35 38 40 38 38 38 37 36 36 41 43 44 45 46 47 43 42 RH 30 39 49 52 45 26 18 18 30 41 49 52 48 32 29 33 52 74 83 93 Wind dir E S S S SW SW N N E S S S SW N N NE NE NE NE NE Wind spd 5 5 5 6 4 3 5 8 5 5 6 6 6 10 13 14 12 10 8 5 Clouds FW FW CL CL CL CL FW FW SC FW FW FW CL CL FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H H H Date 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 79 46 79 49 74 47 73 46 72 Temp 65 78 56 47 68 75 56 49 67 71 54 47 67 71 54 47 65 70 Dewpt 45 43 42 39 45 49 51 47 52 49 49 45 50 46 46 42 48 45 PWind dir NE E SW S SW SW SW SW S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL FW FW FW SC B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B1 PoP 12hr 0 0 20 30 40 20 20 20 30 Rain shwrs S C C C C S S S S S C Tstms S S S S $$ MTZ305-031000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 817 PM MDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 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 50 80 56 70 40 Temp 67 61 56 52 56 70 78 80 67 62 60 58 61 66 68 66 56 50 44 40 Dewpt 57 54 52 50 49 54 52 54 55 53 51 52 52 46 38 35 39 39 37 37 RH 70 78 86 93 77 57 40 41 65 72 72 80 72 48 33 32 53 66 76 89 Wind dir NE E E E E E S NW S SW W NW N N N N N NE E E Wind spd 12 10 9 6 5 3 3 3 5 8 10 12 17 19 19 18 10 3 2 2 Wind gust 32 Clouds FW FW FW FW FW FW SC SC B1 SC FW SC SC SC FW FW FW FW FW FW PoP 12hr 0 0 5 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H K H Heat index 80 Max heat 80 Date 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 71 41 77 46 80 51 81 51 79 Temp 61 70 50 42 67 75 56 47 71 79 60 52 73 78 60 52 72 77 Dewpt 39 36 37 34 38 38 40 37 43 44 47 46 50 48 49 46 50 48 PWind dir NE E E E SW SE W E S Wind char LT LT LT GN LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 0 10 5 5 10 $$ MTZ314-031000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 817 PM MDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 82 54 69 39 Temp 67 60 55 52 59 73 80 80 66 61 57 56 61 64 67 64 54 48 42 40 Dewpt 49 50 51 51 51 52 51 53 53 49 45 45 50 50 44 39 36 35 32 32 RH 52 69 86 96 75 48 36 39 63 65 64 66 67 60 43 40 50 60 67 73 Wind dir N SE SE SE SE N NW N SW SW SW W NW NW NW NW N NW S S Wind spd 4 5 5 4 3 3 6 6 3 6 6 6 12 19 18 17 8 2 2 2 Wind gust 17 28 27 Clouds SC FW SC FW CL FW FW SC B1 SC FW SC SC B1 SC SC SC SC FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Obvis H H H H H H H K Heat index 80 80 Max heat 80 Date 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 42 77 49 78 51 78 51 77 Temp 62 67 49 43 69 74 55 50 73 75 58 52 72 75 57 52 72 73 Dewpt 35 34 34 32 36 39 37 35 43 45 48 44 47 46 45 43 45 47 PWind dir E E SE SE W SW W SE W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW CL CL FW FW CL FW SC SC SC B1 SC SC SC SC SC SC SC PoP 12hr 0 0 0 5 10 20 20 20 20 Rain shwrs S S S S $$ http://www.weather.gov/greatfalls