Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
159 FOUS55 KTFX 040304 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 904 PM MDT Sun Aug 3 2025 MTZ312-041000- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 904 PM MDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed 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 85 55 80 54 Temp 65 60 56 63 77 84 78 65 60 57 55 61 71 78 79 69 62 57 54 Dewpt 52 50 48 50 51 48 53 55 54 52 51 50 49 45 46 45 45 43 42 RH 63 69 74 62 40 29 42 70 81 83 86 67 46 31 31 42 54 59 64 Wind dir E N W W NE NE W W W SW SW SW W W W W SW SW SW Wind spd 5 5 5 3 3 6 10 9 9 8 10 11 12 12 11 5 5 5 6 Clouds B1 SC SC SC SC B1 B2 B2 B2 B1 SC SC FW SC SC FW FW FW SC PoP 12hr 5 40 70 20 0 QPF 12hr 0 0.03 0.22 0.01 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C S S S S Tstms C C S S Date 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 85 57 81 53 73 51 72 51 78 Temp 77 84 65 58 75 76 61 54 67 69 57 51 66 68 56 52 69 77 Dewpt 41 43 45 46 47 47 49 48 48 46 45 45 48 46 47 45 47 44 PWind dir SW W SW W W W W W SW Wind char GN LT LT GN GN GN GN GN GN Avg clouds SC SC B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC FW PoP 12hr 0 5 20 40 40 30 30 10 5 Rain shwrs S C C S C C S S C Tstms S S S S S $$ MTZ303-041000- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 904 PM MDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 78 54 74 51 Temp 58 54 51 61 74 75 73 65 58 55 54 58 66 72 73 65 58 53 51 Dewpt 53 50 48 48 50 49 52 54 54 53 53 53 52 50 48 47 45 44 41 RH 83 86 89 62 43 40 48 68 86 93 96 83 61 46 41 52 62 71 68 Wind dir W W W SW SE SE NW W W W W W W W W W W W SW Wind spd 3 3 4 3 5 6 9 8 8 6 8 10 12 13 13 10 9 9 9 Wind gust 24 Clouds SC SC SC SC B1 B2 B2 B2 OV B2 B1 B1 SC SC SC SC FW SC B1 PoP 12hr 20 50 60 30 5 QPF 12hr 0 0.09 0.17 0.02 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs S C C L L L L C C S S Tstms C C C S S S S Date 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 54 73 48 66 48 66 48 75 Temp 73 77 60 54 70 70 55 48 62 65 53 48 61 65 53 48 68 74 Dewpt 43 43 45 44 47 48 50 47 48 45 47 46 48 49 49 45 48 47 PWind dir W W W W W NW NW W W Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 SC SC FW PoP 12hr 0 10 30 30 50 40 30 10 5 Rain shwrs C C C C C C S S C Tstms S S S S S S $$ MTZ319-041000- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 904 PM MDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed 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 84 53 81 55 Temp 69 61 58 62 77 83 76 67 62 58 54 59 73 79 81 73 65 59 56 Dewpt 39 40 44 44 43 46 49 50 50 48 46 47 45 42 39 39 40 40 40 RH 33 46 59 52 30 27 39 54 65 69 74 64 37 27 22 29 40 49 55 Wind dir W W W E NE W W W W SW SW W W W W W SW SW SW Wind spd 4 2 1 1 3 6 10 9 6 5 5 5 10 13 12 6 4 4 4 Wind gust 20 24 Clouds SC SC SC SC B1 B1 B2 B2 B1 B1 FW FW FW SC FW FW SC SC SC PoP 12hr 10 40 70 10 0 QPF 12hr 0 0.06 0.11 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C L L C C Tstms S C C S S Date 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 86 57 81 54 74 51 74 51 80 Temp 76 85 68 58 75 78 63 55 67 73 59 52 66 73 60 52 71 79 Dewpt 41 41 44 43 46 45 47 45 44 40 41 42 43 42 44 43 45 40 PWind dir SW W W W W W W W W Wind char LT LT LT GN GN GN GN LT LT Avg clouds SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 SC B1 SC FW FW PoP 12hr 0 5 20 40 40 30 20 10 5 Rain shwrs S C C S C C S Tstms S C S S S $$ MTZ326-041000- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 904 PM MDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 87 48 83 49 Temp 65 56 52 63 78 83 80 68 60 54 49 58 72 81 82 70 61 54 50 Dewpt 43 42 43 44 43 44 46 48 49 48 45 46 44 39 37 38 41 39 38 RH 45 59 71 50 29 25 30 49 67 80 86 64 37 22 20 31 48 57 63 Wind dir S SW S W NW E NW W S S S W W W W N E SE SE Wind spd 5 5 4 2 2 4 9 6 5 5 4 4 8 11 11 6 4 4 3 Wind gust 21 Clouds B1 SC SC SC B2 B2 B1 B1 SC FW FW FW FW SC SC FW FW FW FW PoP 12hr 20 40 40 5 0 QPF 12hr 0 0.02 0.03 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms S C C S Date 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 52 85 50 76 47 75 46 81 Temp 79 85 65 53 77 79 61 51 68 70 56 48 67 72 57 47 69 79 Dewpt 41 38 44 42 45 43 47 45 47 44 44 43 44 40 44 42 43 42 PWind dir SW SE W W W S W E W Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC B1 B1 SC B1 B2 B2 B1 B1 B1 SC B1 SC SC SC FW SC PoP 12hr 0 5 20 40 40 30 20 5 5 Rain shwrs S C C S C C S Tstms S C S S S $$ MTZ330-041000- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 904 PM MDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed 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 80 38 75 39 Temp 52 43 40 55 75 78 76 64 53 44 38 51 69 75 73 64 52 43 39 Dewpt 40 37 38 38 35 30 32 34 39 38 38 39 37 31 29 31 32 32 32 RH 63 79 92 53 23 17 20 32 59 79100 63 31 20 19 29 46 65 76 Wind dir S NE SE NW SW SW SW SW SW E S SW SW SW SW SW S SE SE Wind spd 2 1 1 1 8 13 13 10 4 2 2 3 12 14 13 6 2 1 1 Wind gust 24 25 Clouds SC SC SC SC B1 B2 B1 B1 SC FW FW FW FW FW SC SC FW FW FW PoP 12hr 20 30 30 0 0 QPF 12hr 0 0 0 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C S C C Tstms S S Date 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 42 79 41 70 36 70 35 74 Temp 76 79 56 42 74 75 53 41 64 66 48 36 62 69 48 35 66 73 Dewpt 34 29 33 33 35 32 39 38 38 37 40 36 36 35 38 35 38 34 PWind dir S S S SW SW NW W N NW Wind char LT LT GN GN GN LT LT LT LT Avg clouds FW FW SC B1 SC B1 B1 B1 B1 B1 B1 B1 SC SC B1 SC SC SC PoP 12hr 0 5 10 20 30 30 20 5 5 Rain shwrs S S S C C S S Tstms S C S S $$ MTZ328-041000- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 904 PM MDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 48 81 45 79 46 Temp 58 52 48 58 74 78 72 62 55 49 45 55 69 77 79 67 58 51 46 Dewpt 46 43 43 45 48 46 46 48 49 46 44 46 44 40 38 38 38 38 37 RH 64 71 83 62 40 32 39 60 80 89 96 72 40 26 23 34 47 61 71 Wind dir S E S SW N S NW NE S S S SW W W W N W S S Wind spd 5 5 4 2 3 6 11 9 6 6 5 5 6 10 10 6 5 5 5 Wind gust 20 Clouds SC SC SC SC B1 B1 B1 B1 FW FW FW FW FW SC SC FW FW FW FW PoP 12hr 20 50 30 5 0 QPF 12hr 0 0.03 0.01 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C C C Tstms S C C Date 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 52 80 48 73 44 73 44 76 Temp 75 83 63 52 74 77 57 48 67 71 53 44 65 72 54 44 67 76 Dewpt 41 41 42 40 43 43 45 43 45 41 41 38 43 44 43 40 44 42 PWind dir SW W SW W SW NW W NE W Wind char LT GN GN GN LT GN LT GN LT Avg clouds FW SC B1 B1 B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC FW FW PoP 12hr 5 5 20 20 30 20 10 5 5 Rain shwrs S S S S C S Tstms S S C S $$ MTZ305-041000- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 904 PM MDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed 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 88 58 78 54 Temp 62 58 56 66 82 87 82 69 63 60 58 63 71 75 77 68 61 57 55 Dewpt 57 54 53 55 57 56 56 59 59 57 56 57 57 55 55 55 54 50 49 RH 84 86 90 68 43 35 41 70 87 90 93 81 61 50 47 63 78 77 80 Wind dir W S S E E E E SE E SW SW W W W W W SW SW SW Wind spd 3 2 2 2 5 6 9 8 6 5 6 10 11 11 11 6 5 6 8 Clouds FW SC FW FW B1 B1 B2 B2 OV OV B1 B1 B1 B1 SC FW FW FW FW PoP 12hr 0 50 90 50 5 QPF 12hr 0 0.04 0.25 0.06 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D D D C C C C Tstms C C C C S S S S Heat index 82 Max heat 82 85 Date 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 86 57 83 53 73 50 72 51 79 Temp 79 83 65 57 77 77 60 54 69 70 56 51 66 69 56 51 71 78 Dewpt 51 46 50 49 53 53 54 52 53 51 51 49 52 51 51 49 51 51 PWind dir SW SW W W W W W W SW Wind char GN LT GN GN GN GN GN GN GN Avg clouds FW FW SC B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 0 5 20 30 40 30 30 20 5 Rain shwrs S C C S C C S S C S Tstms S C S S S S S $$ MTZ314-041000- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 904 PM MDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed MDT 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 54 84 51 75 52 Temp 61 57 55 66 79 83 77 64 58 54 52 59 69 73 75 65 58 54 53 Dewpt 50 48 47 50 53 53 55 56 55 53 50 51 50 49 47 48 46 44 42 RH 67 72 74 56 41 36 47 75 90 96 93 75 51 43 37 54 64 69 66 Wind dir SE SE SE E E E NW S S W SW W W W NW W S S S Wind spd 5 4 3 3 5 8 8 5 5 4 4 6 11 11 10 5 5 5 5 Wind gust 21 20 Clouds SC B1 FW FW B1 B1 B2 B2 B1 B1 SC SC SC SC FW FW FW FW FW PoP 12hr 0 50 80 20 5 QPF 12hr 0 0.03 0.16 0 0 Snow 12hr 00-00 00-00 00-00 Rain shwrs C C D D C C S S S S Tstms C C C S S S S Date 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 MDT 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 54 78 50 69 47 67 48 72 Temp 77 79 62 55 74 73 57 51 64 66 53 48 63 65 52 49 66 71 Dewpt 45 46 47 45 50 51 52 48 50 47 48 43 48 48 48 45 47 46 PWind dir W SE NW W W W W W W Wind char LT LT LT LT GN LT GN GN LT Avg clouds FW FW B1 B1 B1 SC B2 B2 B1 B1 B1 B1 SC B1 B1 B1 SC FW PoP 12hr 5 20 20 60 50 40 30 20 10 Rain shwrs S S S L L S C C S S C S Tstms S S S S S S $$ 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