Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
500 FOUS55 KTFX 300904 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 304 AM MDT Tue Sep 30 2025 MTZ312-302200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 304 AM MDT Tue Sep 30 2025 Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 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 72 47 70 Temp 58 62 71 74 72 61 55 53 51 55 67 71 70 59 54 51 48 53 65 70 67 Dewpt 43 44 49 44 42 43 44 46 44 43 40 37 36 37 37 38 37 39 39 36 33 RH 57 52 46 34 34 51 66 77 77 64 37 29 29 44 52 61 65 59 38 29 28 Wind dir SW SW SW W W SW S SW SW SW SW SW W W SW SW SW SW W W W Wind spd 5 8 14 14 10 6 6 8 10 12 17 16 12 6 5 5 6 9 11 11 10 Wind gust 27 Clouds B1 SC B1 SC SC B1 SC SC SC SC FW SC SC B1 B1 B1 B1 B1 SC B1 B2 PoP 12hr 10 20 0 20 10 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S S S S Date Fri 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 10/06/25 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 44 66 41 61 35 53 30 54 Temp 52 45 59 62 49 42 56 56 42 36 46 51 36 31 44 52 Dewpt 36 36 29 30 30 27 36 33 33 29 31 29 27 24 29 30 PWind dir SW SW SW W NW NW SE W Wind char GN GN GN GN GN GN LT LT Avg clouds B2 B2 B1 SC SC SC SC B1 B2 B1 B1 B1 B1 SC SC SC PoP 12hr 20 10 10 20 40 30 20 20 Rain S S S C C C S S S S S Snow S S $$ MTZ303-302200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 304 AM MDT Tue Sep 30 2025 Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 43 65 42 64 Temp 53 57 66 67 65 54 49 47 45 50 62 64 63 52 46 45 42 47 59 63 60 Dewpt 47 49 48 45 43 42 41 40 39 40 39 37 37 36 35 35 35 35 36 33 32 RH 80 75 52 45 45 64 74 76 79 68 43 37 38 54 65 68 76 63 42 32 35 Wind dir W W W W W SW SW S SW SW SW W W W SW SW SW W W W W Wind spd 5 8 13 14 13 10 9 9 9 13 19 19 17 12 10 10 10 13 18 19 17 Wind gust 25 31 32 27 28 31 27 Clouds B2 B1 B2 B1 FW SC FW B1 B1 SC SC B1 B1 B1 B1 B2 B2 B1 B1 SC B1 PoP 12hr 20 5 5 5 0 QPF 12hr 0 0 0 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain S Date Fri 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 10/06/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 37 64 38 56 29 51 26 54 Temp 45 38 59 61 43 39 53 51 35 29 43 47 32 26 45 50 Dewpt 32 30 32 31 30 28 33 33 29 27 29 26 25 23 29 27 PWind dir W W W NW NW NW W N Wind char GN GN GN BZ GN GN GN GN Avg clouds B1 B1 SC FW SC SC B1 B1 B1 B1 B1 SC SC SC SC FW PoP 12hr 0 0 5 30 30 20 20 10 Rain S C C C S S Snow C S S $$ MTZ319-302200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 304 AM MDT Tue Sep 30 2025 Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 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 73 47 72 45 68 Temp 55 56 65 71 69 61 58 54 49 51 62 70 71 60 56 51 46 48 60 67 65 Dewpt 49 50 48 45 42 44 46 46 43 43 41 38 37 37 38 39 38 40 42 40 38 RH 80 80 54 39 37 53 64 74 80 74 46 31 29 42 51 63 73 74 51 37 37 Wind dir S SW W W SW SW S S S S SW SW SW SW SW SW SW SW W W W Wind spd 4 5 8 8 5 5 5 6 5 6 11 11 9 5 5 4 4 3 5 8 9 Clouds B1 B1 B1 B2 B2 B1 B1 B1 SC SC SC SC SC B1 B1 B1 SC B1 SC B1 B2 PoP 12hr 30 40 5 30 30 QPF 12hr 0 0.02 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C S S C C C S S C C C Rain shwrs C Tstms S Date Fri 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 10/06/25 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 44 65 40 60 34 52 30 54 Temp 54 47 53 63 49 40 52 56 44 35 41 51 39 30 42 53 Dewpt 40 39 34 37 33 33 35 34 34 31 30 29 26 25 28 29 PWind dir W W SW W NW N NW NW Wind char LT LT GN GN GN LT LT LT Avg clouds B2 B2 B2 SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 30 20 10 20 40 40 30 20 Rain C C S S C C C C C C S S Snow S $$ MTZ326-302200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 304 AM MDT Tue Sep 30 2025 Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 44 71 43 68 Temp 53 57 66 72 69 59 54 51 46 50 64 70 69 58 53 49 44 48 61 67 64 Dewpt 47 48 47 44 42 44 45 45 43 44 43 40 38 40 41 41 40 43 44 42 41 RH 80 72 50 37 37 57 71 80 89 80 46 33 32 51 64 74 86 83 53 40 43 Wind dir S S SW SW SW SW SE SE SE S SW SW SW S S S S S W W W Wind spd 8 8 10 11 11 11 10 10 8 8 9 12 12 11 10 8 5 5 5 6 5 Wind gust 23 23 Clouds SC SC B1 SC B1 B1 SC SC B1 FW SC SC SC SC SC B1 B1 B1 B1 B1 B2 PoP 12hr 20 20 5 20 30 QPF 12hr 0 0 0 0.01 0.02 Snow 12hr 00-00 00-00 00-00 Rain S S S S C C C C Rain shwrs C Tstms S Date Fri 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 10/06/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 42 61 36 60 32 49 26 53 Temp 50 43 51 59 43 36 52 56 42 32 41 48 34 26 42 52 Dewpt 46 42 39 40 38 35 37 34 36 32 32 33 32 26 29 30 PWind dir W W SW W NW N E NE Wind char LT LT LT LT GN LT LT LT Avg clouds B2 B2 B2 B1 SC SC SC SC B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 60 40 20 20 40 40 30 20 Rain C L S C C C C C C S Rain shwrs C C S S Snow C S Tstms S S S S $$ MTZ330-302200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 304 AM MDT Tue Sep 30 2025 Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 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 59 36 59 35 60 Temp 41 45 53 57 56 47 43 41 38 42 53 58 57 48 43 38 36 41 56 60 57 Dewpt 38 42 46 42 42 43 43 40 38 41 43 38 38 40 40 38 35 40 42 39 41 RH 89 89 77 57 59 86100 96100 96 69 47 49 74 89100 96 96 59 46 55 Wind dir S S SW SW SW S S S S SW SW SW SW S S S S S SW SW SW Wind spd 5 10 14 16 13 12 12 8 5 10 16 18 17 11 8 5 2 4 11 14 12 Wind gust 25 26 25 23 29 21 25 Clouds OV OV B2 B1 B1 B1 B2 B2 B2 B2 B1 B1 SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 50 50 40 40 60 QPF 12hr 0.02 0.05 0.01 0 0.04 Snow 12hr 00-00 00-00 00-00 Rain S C C C C C C C S S C C L L L L Rain shwrs C C C C C Tstms S S S S C Date Fri 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 10/06/25 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 34 56 29 53 25 46 18 51 Temp 43 35 52 53 36 29 47 51 34 26 40 45 27 18 44 49 Dewpt 41 35 45 38 34 29 38 31 31 26 29 28 24 18 28 25 PWind dir S SW SW SW N N NE E Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 OV B2 B1 B1 B2 B1 B1 B2 B2 B1 B1 B1 B1 SC PoP 12hr 70 60 30 30 40 50 40 30 Rain L L C S C C C C C C C S Rain shwrs C L C S C Snow C S C C C C C C Tstms C S S S S $$ MTZ328-302200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 304 AM MDT Tue Sep 30 2025 Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 68 41 67 41 65 Temp 52 53 63 67 63 53 49 47 42 46 61 67 65 54 48 44 42 46 59 65 61 Dewpt 46 47 48 45 46 44 43 43 41 43 42 39 39 39 39 40 39 43 43 40 41 RH 80 80 58 45 54 71 80 86 96 89 49 36 38 57 71 86 89 89 55 40 48 Wind dir S SW SW S SW S S S S S SW SW SW S S S S S SW SW SW Wind spd 10 13 13 14 13 11 10 10 10 12 14 17 16 11 10 9 9 8 6 9 8 Wind gust 27 Clouds B2 B2 B1 B2 B1 B1 SC B1 FW SC SC B1 SC B1 B1 B1 B1 B1 B1 B2 B2 PoP 12hr 40 20 5 30 30 QPF 12hr 0.01 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain C C C C C S S Rain shwrs S S C Tstms S S S Date Fri 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 10/06/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 40 58 34 57 30 48 26 53 Temp 46 42 51 55 39 34 50 55 37 30 42 46 32 27 42 51 Dewpt 42 40 39 39 35 31 36 32 34 29 34 32 28 24 29 29 PWind dir NE NW W W N N NE N Wind char LT LT LT LT GN GN GN LT Avg clouds B2 B2 B2 B1 SC SC SC SC B1 B1 B1 B1 B1 SC SC SC PoP 12hr 40 30 10 10 30 30 20 20 Rain C C C C C S S S S Rain shwrs C C Snow C C S S Tstms S S $$ MTZ305-302200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 304 AM MDT Tue Sep 30 2025 Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 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 48 75 45 72 Temp 62 64 78 81 76 61 57 54 51 54 69 74 71 56 52 50 46 51 66 72 69 Dewpt 51 51 54 50 50 48 46 46 44 43 44 41 39 38 37 38 37 39 41 37 35 RH 67 63 43 34 40 62 67 74 77 66 40 30 31 51 56 63 71 63 40 28 28 Wind dir S S SW W W SW SW SW SW SW W W W SW SW SW SW SW W W W Wind spd 4 3 6 12 12 8 6 6 8 11 17 16 12 5 5 6 8 10 14 13 10 Wind gust 26 Clouds B1 B1 SC SC SC B1 SC SC SC FW FW FW FW SC B1 B1 B1 SC SC SC SC PoP 12hr 10 20 0 10 5 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S Date Fri 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 10/06/25 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 43 68 40 62 33 55 29 57 Temp 51 44 60 62 48 41 57 58 40 34 48 51 36 30 49 53 Dewpt 36 33 31 31 32 28 39 35 33 29 33 29 29 25 32 30 PWind dir W SW SW W NW NW W W Wind char GN GN GN GN GN GN LT GN Avg clouds B1 B2 B1 SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 5 5 5 10 20 10 10 10 Rain S S $$ MTZ314-302200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 304 AM MDT Tue Sep 30 2025 Date Tue 09/30/25 Wed 10/01/25 Thu 10/02/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 47 72 44 69 Temp 55 62 77 77 70 58 55 52 49 55 68 72 70 58 53 49 45 52 66 69 66 Dewpt 42 44 46 45 46 45 45 44 42 41 41 38 37 39 39 39 37 40 39 38 39 RH 61 52 33 32 42 62 69 74 77 59 37 29 30 49 59 68 73 63 37 32 37 Wind dir S S SW W W S SW S S SW W W W S S SW SW SW W NW NW Wind spd 5 5 11 11 8 5 5 5 5 6 11 11 6 5 4 4 4 4 6 8 5 Clouds B1 SC SC SC SC B1 B1 SC SC FW FW FW SC SC SC SC B1 SC SC B1 B2 PoP 12hr 20 30 5 10 20 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain S C S S S C Date Fri 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 10/06/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 43 61 38 60 33 49 28 52 Temp 50 44 57 58 43 39 55 56 42 34 45 46 33 29 46 47 Dewpt 41 38 41 37 34 31 34 33 37 31 33 29 28 25 30 30 PWind dir W W SW W NW NW SW W Wind char LT LT LT GN GN GN LT LT Avg clouds B2 OV B2 B1 SC SC SC SC B1 B2 B1 B1 B1 B1 SC SC PoP 12hr 50 30 20 20 40 40 30 20 Rain C C C S S S C C C C C C S S Snow C S $$ http://www.weather.gov/greatfalls