Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
130 FOUS55 KTFX 100835 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 235 AM MDT Wed Sep 10 2025 MTZ312-102200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 235 AM MDT Wed Sep 10 2025 Date Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 76 53 71 Temp 59 55 59 74 80 81 68 62 57 54 58 68 75 71 61 57 55 53 57 64 69 70 Dewpt 48 48 48 48 47 46 49 51 50 49 51 53 54 51 52 52 50 51 53 52 52 52 RH 67 77 67 40 31 29 51 67 77 83 77 59 48 49 72 83 83 93 86 65 55 53 Wind dir SW SW SW NW NE NE N NW W W W W NE E SW SW SW SW SW W W SW Wind spd 4 3 3 3 5 9 6 5 5 5 4 4 6 8 5 5 5 5 5 5 6 9 Clouds B2 SC SC FW SC SC B1 B1 SC B1 B1 B1 B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 PoP 12hr 5 20 50 60 60 QPF 12hr 0 0 0.13 0.19 0.17 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C C C L L C C C C L L C Tstms S S C C S S S Obvis H H Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 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 52 73 51 73 49 73 49 67 Temp 56 53 65 71 57 52 68 69 56 50 67 70 55 50 60 66 Dewpt 51 50 52 51 51 47 51 49 49 45 51 48 50 47 52 52 PWind dir SW SW SW SW SW W NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B1 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B1 PoP 12hr 50 50 30 30 20 30 30 30 Rain shwrs C C C C C S S C S S C C S S C Tstms S $$ MTZ303-102200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 235 AM MDT Wed Sep 10 2025 Date Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 50 76 51 70 Temp 53 51 56 70 76 75 62 56 54 52 56 70 75 71 60 56 53 51 56 66 69 66 Dewpt 46 46 47 49 47 47 49 48 48 47 49 51 52 51 52 51 50 49 51 52 52 52 RH 77 83 72 47 36 37 62 74 80 83 77 51 45 49 75 83 89 93 83 61 55 61 Wind dir NW NW N N NE N NW NW NW NW NW N NE NE N NW NW NW NW NW N N Wind spd 4 3 3 5 8 9 8 6 8 9 9 9 9 9 6 6 6 8 6 9 9 8 Clouds B2 OV B1 SC B1 SC B1 SC B2 B1 SC B1 B1 B2 B2 B1 B2 B2 B1 B2 B2 B1 PoP 12hr 30 20 50 60 60 QPF 12hr 0.01 0 0.03 0.42 0.25 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S S S C S S S S C C L L C C C C L L C Tstms S S C C S S S Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 49 72 48 70 47 69 46 66 Temp 54 50 65 70 54 49 65 69 53 48 64 67 52 47 59 65 Dewpt 50 47 51 51 50 46 50 48 47 44 50 49 47 45 50 50 PWind dir NW NW W W W W NW N Wind char LT LT LT LT GN GN GN GN Avg clouds B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 40 40 20 30 20 30 30 30 Rain shwrs C C C C S S C S S S C C S S C Tstms S $$ MTZ319-102200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 235 AM MDT Wed Sep 10 2025 Date Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 53 76 51 72 Temp 60 54 57 68 78 81 71 65 59 55 56 67 75 73 64 60 55 51 53 64 70 68 Dewpt 46 46 46 48 47 43 45 46 47 47 48 51 50 48 48 49 47 47 48 52 52 48 RH 60 74 67 49 33 26 39 50 64 74 74 56 41 41 56 67 74 86 83 65 53 49 Wind dir SE W N NE E NE NW NW W W NW NE E S W W SW SW SW W W W Wind spd 3 2 1 2 5 6 5 4 2 2 2 4 5 6 5 4 2 2 2 4 5 6 Clouds B1 SC FW SC B1 B1 B1 SC SC B1 B1 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 PoP 12hr 20 30 70 50 60 QPF 12hr 0 0 0.04 0.15 0.24 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S C C L L C C C C C C L L C Tstms S C S Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 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 72 50 74 49 75 50 69 Temp 60 51 62 70 59 50 64 73 59 50 66 70 58 50 59 68 Dewpt 49 47 50 49 48 46 49 45 44 43 49 45 45 46 48 48 PWind dir W W SW SW SW W NW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B2 B1 B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 50 50 20 30 30 40 30 40 Rain shwrs C C C C S C C S S C C S C Tstms S $$ MTZ326-102200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 235 AM MDT Wed Sep 10 2025 Date Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 50 76 45 73 Temp 53 48 53 69 80 80 68 62 57 52 56 69 75 71 61 54 49 46 52 65 72 69 Dewpt 47 44 46 47 43 39 43 43 42 41 44 46 45 44 46 47 43 42 44 46 44 42 RH 80 86 77 45 27 23 40 50 57 66 64 44 34 38 58 77 80 86 74 50 37 37 Wind dir SE E S NW W S S SE S E S W S S SE S S S SW W NW W Wind spd 5 4 2 2 4 6 6 6 5 4 3 3 5 6 5 5 4 3 2 3 5 5 Clouds SC SC B1 SC B2 B1 B2 B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 B1 PoP 12hr 10 10 60 30 40 QPF 12hr 0 0 0.06 0.02 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C C C C Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 45 69 45 74 45 75 45 70 Temp 54 46 61 68 54 46 66 72 56 46 67 72 55 46 61 68 Dewpt 46 42 46 45 46 42 46 41 45 40 45 42 44 42 46 46 PWind dir SE SW S SW SE SW SE W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B2 B2 B1 B1 SC SC B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 30 50 20 20 20 30 30 40 Rain shwrs C S C C S S S S C C S C $$ MTZ330-102200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 235 AM MDT Wed Sep 10 2025 Date Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 39 67 33 67 Temp 41 38 45 66 73 72 58 50 46 41 47 63 66 64 51 44 37 33 42 62 66 64 Dewpt 41 38 41 42 32 31 35 36 38 38 41 41 37 36 40 41 37 33 37 39 35 34 RH 100100 86 42 22 22 42 58 73 89 79 44 34 35 66 89100100 82 43 32 32 Wind dir NE E NE S S SW S NE SE E SE S SW S SE SE E N SE SW SW SW Wind spd 2 2 2 10 13 10 5 5 3 2 3 10 13 10 4 2 1 0 1 5 9 5 Clouds SC B2 B2 B1 B2 B1 B1 SC B2 B1 B1 B2 B2 SC SC SC FW SC SC B1 B1 B1 PoP 12hr 10 20 70 20 50 QPF 12hr 0 0.02 0.05 0 0.02 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L S S C C C Tstms S S Obvis PF PF Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 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 33 62 34 65 34 67 34 63 Temp 45 34 57 59 43 35 59 63 44 34 62 65 45 35 58 59 Dewpt 40 33 42 39 41 34 42 34 38 34 39 35 40 35 40 37 PWind dir S SW S S S S E SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B2 B2 B2 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 30 60 30 30 20 40 30 40 Rain shwrs C S C L C C S S S C C S C C Tstms S $$ MTZ328-102200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 235 AM MDT Wed Sep 10 2025 Date Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 46 73 43 69 Temp 48 46 49 64 76 77 64 55 52 49 52 67 72 68 56 50 45 43 50 63 68 67 Dewpt 46 44 46 48 44 38 36 35 36 37 41 46 46 45 45 44 43 41 45 47 44 44 RH 93 93 89 56 32 24 35 47 54 63 66 47 39 43 66 80 93 93 83 56 42 43 Wind dir S S SW N S S SE SE S SE S S S SW S SW S S SW W W N Wind spd 4 4 3 3 10 13 8 8 6 5 5 6 10 10 5 5 5 5 3 2 5 6 Clouds B1 B1 B1 B1 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC B1 SC B1 B1 B2 PoP 12hr 20 20 50 20 40 QPF 12hr 0 0 0.02 0 0.01 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C C C S S S S C C C Tstms S S Obvis PF PF Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 44 66 42 71 42 70 42 67 Temp 50 44 60 64 50 43 63 69 51 43 64 68 50 42 59 64 Dewpt 45 42 48 45 45 40 47 43 43 39 46 42 44 40 48 47 PWind dir SW SW S SW S S S NW Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 B1 SC SC SC B1 SC B1 B1 SC B1 B1 B1 PoP 12hr 30 40 10 20 20 30 20 30 Rain shwrs C S C C S S S C C S S C Tstms S $$ MTZ305-102200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 235 AM MDT Wed Sep 10 2025 Date Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 83 53 78 54 72 Temp 62 57 60 74 81 81 68 62 58 55 59 71 76 73 62 59 57 55 57 66 71 68 Dewpt 48 46 47 51 50 53 55 54 54 51 53 58 57 58 59 58 56 54 56 59 59 58 RH 60 67 62 44 34 38 63 75 86 86 80 63 52 59 90 96 96 96 96 78 66 70 Wind dir E E E E E SE E N E NE NE N NE E S S SW S SW SW W W Wind spd 8 6 9 10 11 10 8 5 5 4 4 5 5 6 5 5 4 5 5 6 6 6 Clouds B1 B2 B2 SC FW SC B1 SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 20 20 50 70 60 QPF 12hr 0.01 0 0.25 0.18 0.38 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S S S S S C C L L L L C C L L L Tstms S S S S S S S Obvis H H H H H H H H Heat index 81 Max heat 81 Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 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 52 73 53 71 50 73 49 70 Temp 58 53 67 70 58 54 66 69 57 51 67 70 55 50 64 67 Dewpt 57 52 59 58 57 53 57 56 55 50 56 54 54 50 55 53 PWind dir SW W S SW SW W W NW Wind char LT LT LT LT LT GN LT LT Avg clouds B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B1 PoP 12hr 60 50 40 40 30 30 30 30 Rain shwrs L C C C C C C C C S S C C S S C Tstms S S $$ MTZ314-102200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 235 AM MDT Wed Sep 10 2025 Date Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 54 73 49 71 Temp 59 54 60 75 80 79 66 61 58 56 59 66 73 68 59 55 52 50 56 67 70 67 Dewpt 45 44 47 47 46 49 51 49 48 48 50 54 51 54 54 52 49 47 51 52 52 52 RH 60 69 62 37 30 35 58 65 69 74 72 65 46 61 83 90 89 89 83 59 53 59 Wind dir E SE E E N NE SE SE S SW W W N NW S S SW SW W W W W Wind spd 8 4 3 4 5 5 5 4 3 3 2 4 5 5 4 4 4 3 3 5 6 6 Clouds B1 SC FW SC SC SC B2 B1 SC OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 PoP 12hr 10 20 80 60 60 QPF 12hr 0 0 0.25 0.11 0.11 Snow 12hr 00-00 00-00 00-00 Rain shwrs S S S S L L D D L L C C C C L L L Tstms S S S S S S Obvis H H Date Sat 09/13/25 Sun 09/14/25 Mon 09/15/25 Tue 09/16/25 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 48 69 48 70 47 73 46 66 Temp 54 49 64 65 54 49 66 66 54 48 68 68 53 47 61 63 Dewpt 51 47 53 52 52 47 50 51 49 44 50 52 49 46 53 53 PWind dir SW W SW W S W SW NW Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B1 B2 B2 B2 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 60 70 50 40 30 40 40 40 Rain shwrs L C C L C C C C C S S C C C C C Tstms S $$ http://www.weather.gov/greatfalls