Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
380 FOUS55 KTFX 171448 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 847 AM MDT Tue Jun 17 2025 MTZ312-172200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 847 AM MDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 50 85 52 85 Temp 64 74 79 81 69 60 54 51 64 76 82 84 73 63 56 53 64 76 82 84 Dewpt 42 43 40 38 39 38 34 34 35 34 33 33 36 35 35 35 36 36 36 40 RH 45 33 25 21 33 44 46 52 34 22 17 16 26 35 45 50 35 23 19 21 Wind dir SW W W W W SW SW SW W W W W W SW SW SW W W NW N Wind spd 5 5 6 8 5 6 6 8 10 11 13 13 9 5 5 5 6 6 10 12 Clouds SC FW FW SC SC FW CL FW CL CL CL FW FW SC FW SC FW SC SC B1 PoP 12hr 10 5 0 5 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms S Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 76 49 67 41 56 39 67 Temp 63 55 70 68 55 50 59 61 47 42 47 55 44 40 59 66 Dewpt 43 44 48 50 48 44 45 44 40 36 37 38 38 35 38 38 PWind dir NE N NW W NW NW W SW Wind char GN GN GN GN BZ GN LT LT Avg clouds B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC B1 PoP 12hr 30 80 80 70 70 70 20 30 Rain shwrs C C C D D C C L L L L L S C Tstms S C C C S S S $$ MTZ303-172200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 847 AM MDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 47 80 48 82 Temp 66 75 78 78 69 58 52 48 61 74 78 80 70 59 53 49 62 74 78 82 Dewpt 40 32 29 29 34 34 34 32 32 32 33 35 35 35 31 31 32 30 30 33 RH 38 21 16 16 27 40 50 54 33 21 19 20 27 40 43 50 32 20 17 17 Wind dir W W W W W W W W W W W W W W W W W W W W Wind spd 10 13 14 17 13 12 10 10 13 14 18 18 13 11 11 10 12 13 12 11 Wind gust 28 29 Clouds FW FW FW FW SC FW FW FW CL FW FW FW FW FW SC SC SC SC B1 B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 68 46 58 37 53 35 64 Temp 60 49 64 64 52 46 51 56 43 38 46 52 42 36 57 63 Dewpt 35 38 44 47 47 44 40 42 39 36 37 37 38 35 37 38 PWind dir NW N NW W NW NW SW SW Wind char GN GN GN BZ WY BZ GN LT Avg clouds B1 SC B2 B2 OV OV B2 OV OV OV OV B2 B1 SC SC B1 PoP 12hr 10 80 90 90 80 70 30 40 Rain shwrs C D D D L D D D L L C S C Tstms C C C S S $$ MTZ319-172200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 847 AM MDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 52 87 54 87 Temp 60 72 80 82 73 62 56 52 61 76 84 86 77 65 58 54 64 78 86 83 Dewpt 41 41 34 33 36 36 34 35 38 38 36 37 39 38 37 38 41 42 43 44 RH 49 33 19 17 26 38 43 52 42 25 18 18 25 37 45 54 43 28 22 25 Wind dir N NW W W NW W W SW W W W W W W W W W N N N Wind spd 2 5 10 10 6 5 4 3 3 8 11 10 6 5 4 2 2 5 8 9 Clouds FW FW CL FW SC FW FW FW FW FW FW FW FW FW FW SC FW FW SC B1 PoP 12hr 10 0 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C Tstms S Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 78 50 67 43 58 41 70 Temp 66 55 73 72 58 50 61 64 50 43 51 57 48 41 61 68 Dewpt 48 45 48 50 48 44 41 39 42 38 35 35 37 36 36 36 PWind dir N NW NW W NW NW W SW Wind char LT LT GN GN GN GN LT LT Avg clouds B1 B1 SC B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 SC SC B1 PoP 12hr 30 70 60 70 70 70 30 30 Rain shwrs C S S L L C C L L L L L C C Tstms S S C C S S C S $$ MTZ326-172200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 847 AM MDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 47 86 49 87 Temp 61 70 76 76 67 58 51 47 60 75 82 85 73 62 53 49 63 80 86 82 Dewpt 46 47 42 40 42 41 39 38 40 41 40 41 44 43 40 40 42 45 44 47 RH 58 44 30 27 40 53 63 71 47 29 22 21 35 50 61 71 46 29 23 29 Wind dir NW NW NW NW E S S S SW W W W SE SE SE SE NW NW NW W Wind spd 2 3 5 5 3 4 2 3 2 5 9 10 5 4 3 2 1 2 4 8 Clouds FW FW SC FW FW SC FW FW FW FW FW SC FW FW CL FW FW SC SC B2 PoP 12hr 20 5 5 5 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C Tstms S S Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 84 46 72 40 62 37 70 Temp 62 51 77 79 57 46 66 69 52 40 54 58 46 37 60 69 Dewpt 50 47 49 46 48 44 40 39 42 38 38 35 38 35 35 38 PWind dir E S NW W NW NW E SW Wind char LT LT GN LT GN LT LT LT Avg clouds B2 B1 SC B1 B1 B1 B1 B1 B2 B2 B1 B2 B1 SC SC B1 PoP 12hr 40 40 40 40 60 60 30 30 Rain shwrs C S C C C S C L C C L C C Tstms S C S S S C S $$ MTZ330-172200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 847 AM MDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 36 76 37 82 Temp 56 66 70 70 60 49 39 36 52 68 73 75 64 52 41 38 54 76 82 79 Dewpt 38 39 34 34 37 38 36 35 36 35 32 34 37 38 34 34 36 36 34 35 RH 51 37 26 26 42 66 89 96 54 29 22 22 37 59 76 85 50 23 18 20 Wind dir N NW NW W SW NE N N SW SW SW SW S S S SE S SW SW SW Wind spd 1 5 8 6 2 1 0 0 2 9 11 11 6 3 1 1 2 9 12 11 Wind gust 23 23 19 25 23 Clouds FW SC SC SC SC B1 FW FW FW CL FW SC FW FW FW FW FW FW SC SC PoP 12hr 30 5 0 0 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Tstms S S S Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 41 76 39 66 32 57 27 64 Temp 55 41 71 74 53 39 63 63 44 32 50 56 38 27 57 63 Dewpt 44 40 38 32 37 33 27 25 32 30 27 26 29 26 24 23 PWind dir S S S SW SW SW S S Wind char LT GN GN GN GN GN LT LT Avg clouds B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC FW SC B1 PoP 12hr 20 20 10 20 40 50 20 30 Rain shwrs S S S C C C C S C Snowshwrs C Tstms S S S S $$ MTZ328-172200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 847 AM MDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 45 82 47 84 Temp 57 68 73 75 65 56 49 45 58 73 79 82 71 59 50 47 60 76 83 79 Dewpt 46 43 39 38 40 38 37 35 39 40 37 39 42 39 36 35 39 43 43 45 RH 67 40 29 26 40 51 63 68 49 30 22 22 35 47 58 63 46 31 24 30 Wind dir SW NW NW W N NW S S SW SW SW W SW SW S S SW W SW W Wind spd 4 4 5 8 4 5 5 5 5 8 13 13 10 8 5 5 3 4 9 10 Clouds FW CL FW FW SC SC FW FW CL CL FW FW FW FW FW FW FW FW SC B1 PoP 12hr 10 0 0 0 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 79 43 68 37 58 34 66 Temp 58 48 73 75 52 43 62 62 46 37 51 54 43 34 57 66 Dewpt 47 44 46 41 38 39 35 34 36 34 36 38 37 32 35 36 PWind dir NE SW NW SW NW NW NE S Wind char LT GN BZ GN GN GN LT LT Avg clouds B1 B1 SC B1 B1 B1 B1 B1 B2 B2 B1 B1 SC SC FW SC PoP 12hr 20 30 30 50 50 50 20 20 Rain shwrs S C C C S C C C C C S S Tstms S S C S S S $$ MTZ305-172200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 847 AM MDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 51 86 53 86 Temp 66 78 83 80 71 61 55 52 63 77 84 85 73 62 56 53 66 79 85 83 Dewpt 53 49 43 44 47 45 42 40 41 42 40 38 43 43 39 38 39 38 37 37 RH 63 36 24 28 42 56 61 63 44 29 21 19 34 50 53 57 37 23 18 19 Wind dir SW SW SW SW S S SW SW W W W W SW S SW SW W W W NW Wind spd 2 5 9 10 9 9 9 10 11 12 13 12 9 8 9 10 12 12 12 10 Clouds FW FW FW SC FW SC FW FW CL FW CL FW FW FW FW SC FW FW SC SC PoP 12hr 20 20 0 10 5 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S Tstms S Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 78 51 68 43 58 40 67 Temp 63 56 72 73 58 52 61 63 49 44 50 56 46 41 59 66 Dewpt 43 46 52 51 53 48 52 48 44 41 42 41 41 38 42 42 PWind dir NE E SE W W W W SW Wind char LT GN GN GN BZ BZ GN LT Avg clouds B1 B1 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B1 SC SC SC PoP 12hr 20 70 90 70 70 70 30 20 Rain shwrs S L L D L L L L L L L C S S Tstms C C C S S S $$ MTZ314-172200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 847 AM MDT Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 49 78 50 80 Temp 61 70 73 72 62 55 52 50 62 72 76 77 67 57 54 51 63 74 79 76 Dewpt 49 45 44 44 48 44 40 36 41 41 42 43 45 42 40 38 41 44 46 47 RH 65 41 35 37 60 66 63 58 46 33 30 30 45 57 59 61 44 34 31 36 Wind dir E NE W W S S SW SW W W NW NW SE S S SW NW NW N NE Wind spd 2 2 3 5 5 8 6 5 5 9 8 5 5 5 4 4 5 5 6 8 Wind gust 18 Clouds SC FW SC SC FW FW FW FW CL CL FW FW FW FW FW FW FW FW SC B2 PoP 12hr 20 10 5 10 10 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S L Tstms S S Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 76 48 68 40 53 35 63 Temp 59 52 71 72 54 49 62 62 46 41 48 50 40 36 57 62 Dewpt 48 44 51 53 51 47 48 47 42 38 39 38 37 34 38 42 PWind dir E E NW NW NW NW W SW Wind char LT GN GN GN GN BZ GN LT Avg clouds B2 B2 B1 B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 SC SC B1 PoP 12hr 60 60 70 50 70 60 30 30 Rain shwrs L C C L L C C C L L C L C S C Tstms S S C C C S S S $$ http://www.weather.gov/greatfalls