Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
637 FOUS55 KTFX 152019 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 218 PM MDT Tue Jul 15 2025 MTZ312-161000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 218 PM MDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 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 48 70 46 80 52 Temp 52 50 50 48 49 49 51 58 66 70 61 53 49 46 56 69 78 79 69 61 56 53 Dewpt 51 49 48 48 48 48 49 48 48 48 49 47 44 43 46 48 46 47 49 51 49 47 RH 96 96 93100 96 96 93 69 52 45 65 80 83 89 69 47 32 32 49 70 77 80 Wind dir NE NE NE NE NE NE E E E E E SE S S SW NW N N NE N NW W Wind spd 19 17 13 11 9 6 5 5 6 10 9 6 5 4 4 5 9 12 10 6 5 4 Wind gust 31 Clouds OV OV OV OV B2 B2 B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 70 10 0 10 5 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain D L L C S Obvis PF Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 89 57 86 56 84 53 73 Temp 69 80 64 56 82 86 65 57 80 84 65 57 76 83 62 54 66 72 Dewpt 51 48 50 48 50 44 46 43 45 41 46 44 45 42 46 44 47 46 PWind dir NW E SW W W W W N NW Wind char LT GN LT GN GN LT GN GN GN Avg clouds SC FW FW FW FW SC B1 SC SC SC SC SC SC SC B1 B1 B1 B1 PoP 12hr 0 0 5 10 10 10 10 20 30 Rain shwrs S S S C $$ MTZ303-161000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 218 PM MDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 40 67 45 73 48 Temp 52 52 50 46 43 40 48 58 63 66 59 52 47 45 54 67 72 69 61 53 50 48 Dewpt 50 47 47 45 43 40 45 45 44 46 49 49 47 45 49 50 51 52 53 51 50 48 RH 93 83 89 96100100 89 62 50 48 69 89100100 83 54 48 55 75 93100100 Wind dir NE NE E NW W W SE SE SE SE SE SE SE E SE E NW N N NW NW NW Wind spd 13 10 6 4 3 3 8 14 16 17 13 10 5 3 5 8 10 11 10 8 5 5 Wind gust 25 26 Clouds OV OV B2 B1 SC SC SC B1 SC FW SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 30 5 5 30 10 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L C S Rain shwrs C C Tstms S C Obvis PF PF F PF Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 75 51 82 52 78 50 76 47 66 Temp 65 74 59 51 75 80 60 53 74 76 58 51 72 73 56 48 60 64 Dewpt 51 52 51 49 49 44 47 43 47 45 48 46 47 47 48 46 47 48 PWind dir N SE SW W W W W NW NW Wind char LT LT GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC B1 SC B1 SC SC SC SC B1 B1 B2 B2 B2 PoP 12hr 0 5 10 10 10 10 30 30 40 Rain shwrs C C C C C $$ MTZ319-161000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 218 PM MDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 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 48 75 47 87 54 Temp 56 55 54 52 51 49 52 62 71 74 69 59 51 47 57 75 84 87 77 66 59 55 Dewpt 49 45 45 47 48 48 48 47 46 43 45 47 44 43 46 44 39 39 41 45 45 45 RH 77 69 71 83 89 96 86 58 41 33 42 64 77 86 67 33 20 18 28 47 60 69 Wind dir N N N NW NW W NW NE E E E SE S S SE NW NW NW NW NW NW W Wind spd 18 18 14 10 6 3 2 3 6 10 6 5 5 4 3 6 11 13 10 5 2 1 Wind gust 29 28 23 Clouds OV OV B2 OV OV B2 B2 SC FW CL FW FW CL FW CL FW CL FW CL CL FW SC PoP 12hr 60 10 0 5 5 QPF 12hr 0.04 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C S S Rain shwrs L Tstms S Obvis PF Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 91 56 89 56 86 54 79 Temp 73 86 66 55 82 87 68 57 78 87 67 57 77 85 66 55 71 78 Dewpt 47 42 47 44 47 38 41 40 41 40 42 41 41 38 42 41 44 43 PWind dir N W S W W W W NW NW Wind char LT LT LT LT LT GN LT GN LT Avg clouds FW FW FW FW FW SC SC SC FW SC SC SC FW SC B1 B1 B1 B1 PoP 12hr 5 0 5 5 5 5 10 20 30 Rain shwrs S C Tstms S S $$ MTZ326-161000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 218 PM MDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 50 74 43 89 49 Temp 65 59 55 54 51 50 54 62 71 72 62 53 46 43 57 75 85 88 75 64 54 50 Dewpt 52 50 47 49 50 50 47 46 46 42 44 45 43 41 42 45 42 41 42 45 44 43 RH 63 72 74 83 96100 77 56 41 34 52 74 89 93 57 34 22 19 31 50 69 77 Wind dir NW SE W W NW W W NW E SE E E E SE SW W W NW N E SE S Wind spd 11 12 11 9 8 5 4 3 5 8 10 10 5 4 2 5 10 13 9 5 3 2 Clouds B1 OV OV OV B2 B2 B1 B1 FW FW FW CL FW FW CL FW FW FW FW CL FW FW PoP 12hr 70 10 0 5 5 QPF 12hr 0.09 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain L C C Rain shwrs C L Tstms C S Obvis PF PF Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 51 93 52 91 51 88 50 85 Temp 78 84 63 52 84 88 64 52 82 86 64 51 79 84 64 51 77 80 Dewpt 47 42 48 46 46 39 44 42 43 38 44 42 43 37 44 42 45 42 PWind dir W SE SW SE W W W SW W Wind char LT LT LT GN LT GN LT GN LT Avg clouds FW FW SC FW FW FW SC FW FW SC SC SC FW SC B1 B1 B1 SC PoP 12hr 5 5 10 10 10 10 10 20 20 Rain shwrs S S Tstms S S $$ MTZ330-161000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 218 PM MDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 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 41 74 37 81 40 Temp 76 65 55 49 44 41 48 64 72 74 62 50 41 37 52 72 79 81 68 55 44 41 Dewpt 42 50 50 48 44 41 44 44 36 36 40 42 39 37 35 32 26 29 38 40 37 37 RH 30 58 83 96100100 86 48 27 25 44 74 92100 52 23 14 15 33 57 76 85 Wind dir W N N N N N NE NE W W SW SE SE SE SW SW SW W W NE E N Wind spd 11 6 8 6 4 2 2 2 6 6 3 2 2 2 4 11 13 12 5 2 1 0 Wind gust 24 23 Clouds B2 B2 B2 B1 SC B1 SC FW FW FW FW FW FW FW FW CL FW FW SC FW FW FW PoP 12hr 60 10 0 5 5 QPF 12hr 0.08 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S Rain shwrs L L C C Tstms C C S S Obvis PF PF F Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 81 41 82 42 81 41 79 42 78 Temp 76 77 54 41 76 79 55 42 75 79 55 41 73 77 55 42 72 75 Dewpt 38 40 44 40 40 37 40 38 39 32 37 35 36 31 38 36 37 35 PWind dir SW S SW SW SW SW SW SW SW Wind char LT LT LT LT GN GN GN LT GN Avg clouds FW SC SC FW FW FW SC SC FW FW FW FW FW FW SC B1 SC SC PoP 12hr 10 5 10 10 10 10 10 10 20 Rain shwrs S Tstms S $$ MTZ328-161000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 218 PM MDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 44 76 42 87 48 Temp 68 61 52 46 45 44 48 60 70 76 64 53 46 42 56 76 84 86 73 60 52 48 Dewpt 54 53 50 46 44 43 45 47 44 43 45 44 42 39 42 41 36 38 38 38 37 37 RH 61 75 93100 96 96 89 62 39 31 50 71 86 89 59 28 18 18 28 44 56 65 Wind dir NE N NE NE NE NE NE N N NE NE E S S SW SW W W NW NW SW S Wind spd 18 19 19 16 12 10 6 3 5 5 5 5 5 5 4 8 14 14 10 5 5 4 Clouds B1 SC B2 B2 OV B2 B1 FW FW FW FW FW CL FW CL CL FW FW CL CL FW FW PoP 12hr 30 0 0 5 0 QPF 12hr 0.02 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C Rain shwrs C S Tstms C S Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 50 88 49 86 49 84 49 82 Temp 79 82 59 50 82 86 60 49 78 85 60 49 76 83 60 49 76 80 Dewpt 44 45 44 41 42 40 39 35 38 38 40 39 41 40 41 39 43 43 PWind dir SW S SW SW SW SW SW W SW Wind char LT GN GN GN GN GN GN GN GN Avg clouds FW FW SC FW CL FW SC FW FW SC SC FW FW SC B1 B1 SC SC PoP 12hr 10 0 10 5 5 5 5 10 10 $$ MTZ305-161000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 218 PM MDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 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 46 71 48 78 51 Temp 60 58 55 52 49 47 55 65 69 70 63 55 51 48 59 72 76 77 69 59 54 52 Dewpt 52 51 51 51 49 47 49 50 49 50 49 49 48 46 49 52 52 53 54 54 52 51 RH 75 77 86 96100100 80 58 49 49 60 80 89 93 69 49 43 43 59 83 93 96 Wind dir NE NE SW NE E E E SE SE SE SE SE E E SE SE E N E NE NW W Wind spd 13 10 6 4 3 3 5 9 10 12 12 11 10 9 9 6 6 9 8 5 5 5 Clouds OV OV OV B2 B1 B1 SC B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 50 5 0 10 20 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain D C C S S Rain shwrs S S Tstms S S Obvis PF PF PF PF Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 53 88 55 86 54 83 51 76 Temp 71 79 61 54 80 87 65 56 80 84 64 55 78 80 61 52 68 74 Dewpt 53 54 52 50 55 54 53 51 52 49 51 49 52 51 52 49 51 51 PWind dir NW E SE SW W W W N NW Wind char LT LT GN GN GN LT GN GN GN Avg clouds B1 SC FW FW SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 5 5 10 20 10 10 20 30 40 Rain shwrs S S S C C C Tstms S S $$ MTZ314-161000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 218 PM MDT Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 45 63 41 78 49 Temp 53 52 50 48 47 45 48 54 59 62 55 48 44 41 55 71 77 76 65 57 52 50 Dewpt 52 49 49 48 47 45 48 48 47 46 48 46 43 41 46 51 52 50 54 53 50 49 RH 96 89 96100100100100 80 64 56 77 93 96100 72 49 42 40 68 86 93 96 Wind dir E E NE NE NE E E E E SE SE SE SE SE SE E NW N E S SW W Wind spd 12 11 9 6 5 5 5 6 9 10 9 8 6 5 4 4 6 8 5 3 3 3 Wind gust 24 Clouds OV OV OV OV OV OV B2 B1 B1 SC FW FW FW FW CL FW FW SC SC FW SC SC PoP 12hr 100 30 5 10 20 QPF 12hr 0.19 0.01 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain D D D D Rain shwrs D C S S S Tstms S S S Obvis PF PF Date 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 51 85 53 82 52 79 50 72 Temp 68 76 59 52 80 79 63 54 77 79 60 53 75 78 60 51 66 71 Dewpt 53 51 53 49 52 53 51 46 47 46 49 45 47 48 50 45 49 50 PWind dir NW SE S S W SE W SW NW Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC FW FW FW FW FW SC SC SC SC SC SC FW SC B1 B1 B1 B1 PoP 12hr 5 5 10 20 20 20 20 30 30 Rain shwrs S S S S C C C Tstms S S S $$ http://www.weather.gov/greatfalls