Point Forecast Matrices
Issued by NWS Great Falls, MT
Issued by NWS Great Falls, MT
607 FOUS55 KTFX 121458 PFMTFX Point Forecast Matrices National Weather Service Great Falls MT 858 AM MDT Sun May 12 2024 MTZ312-122200- Great Falls-Cascade MT 47.47N 111.38W Elev. 3663 ft 858 AM MDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 49 78 49 62 Temp 57 70 76 76 66 58 53 50 61 74 77 72 62 55 52 50 53 56 60 60 Dewpt 43 46 45 45 46 45 42 39 41 37 40 41 44 44 43 43 46 45 45 41 RH 59 42 33 33 48 62 66 66 48 26 26 33 52 66 71 77 77 66 58 49 Wind dir W W SW S S SW SW SW SW W W W W W W W NW NW NW NW Wind spd 6 5 8 8 5 8 10 10 14 16 17 19 10 10 8 8 12 11 10 9 Clouds SC FW SC SC SC FW FW CL FW SC B1 B1 B1 B1 B2 OV B2 B2 B2 B1 PoP 12hr 20 10 20 40 70 QPF 12hr 0.02 0 0.01 0.02 0.18 Snow 12hr 00-00 00-00 00-00 Rain S L L Rain shwrs S C C C C L L S Tstms S S S S S S S Obvis H Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 69 48 72 45 65 39 59 Temp 49 44 63 68 53 48 66 69 53 46 61 62 47 40 55 57 Dewpt 41 38 40 39 39 37 39 38 38 34 37 36 35 33 37 35 PWind dir W W SW W W W N N Wind char LT GN GN GN GN BZ GN GN Avg clouds B1 SC SC SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 20 30 30 40 30 30 30 Rain S C S S C C C C C C C C C Rain shwrs S Tstms S $$ MTZ303-122200- Cut Bank-Glacier MT 48.60N 112.39W Elev. 3838 ft 858 AM MDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 48 77 47 62 Temp 56 70 76 77 65 57 52 49 62 74 74 71 59 54 50 48 51 56 60 60 Dewpt 43 44 39 40 39 38 36 36 38 38 38 38 44 45 44 44 43 42 40 38 RH 62 39 26 26 38 49 54 61 41 27 27 30 57 71 80 86 74 59 47 44 Wind dir S S W W SW SW W W W W W W NW NW NW NW N N NW NW Wind spd 8 10 14 19 12 10 10 12 19 26 28 26 14 11 12 13 13 14 12 10 Wind gust 31 36 40 39 Clouds SC SC SC SC FW FW FW FW FW SC B1 B1 B1 B2 B2 OV B2 B1 B1 B1 PoP 12hr 10 5 30 60 50 QPF 12hr 0 0 0.01 0.03 0.09 Snow 12hr 00-00 00-00 00-00 Rain C C S S Rain shwrs C C C C L L Tstms S S C C S S Obvis H Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 41 68 46 69 41 60 37 56 Temp 48 42 61 67 51 46 63 66 50 42 56 58 43 38 49 55 Dewpt 40 37 37 38 38 37 37 36 38 34 35 33 34 33 32 33 PWind dir W W W W W NW NW N Wind char LT GN GN BZ BZ BZ GN GN Avg clouds B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 10 20 30 30 30 30 30 30 Rain S C S C C C S C C C C S C $$ MTZ319-122200- Helena-Lewis & Clark MT 46.61N 111.96W Elev. 3893 ft 858 AM MDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 80 49 78 49 65 Temp 58 72 78 78 68 59 54 49 59 72 77 73 64 58 53 49 55 60 64 63 Dewpt 38 42 40 39 37 38 36 36 38 38 37 36 38 39 37 37 39 41 42 40 RH 47 34 26 25 32 45 50 61 45 29 24 26 38 49 54 63 55 49 45 43 Wind dir NW W W W W W SW SW W W W NW W W W W NW NW NW NW Wind spd 6 8 10 12 8 9 6 5 10 16 18 19 12 10 9 6 10 12 13 12 Clouds FW FW FW FW FW FW CL CL CL SC B1 B1 SC B1 B1 B1 B1 B2 B2 B1 PoP 12hr 5 5 20 20 70 QPF 12hr 0 0 0.01 0.01 0.05 Snow 12hr 00-00 00-00 00-00 Rain S S C C Rain shwrs S S L L S Tstms S S S S S Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 73 49 75 48 70 42 64 Temp 52 45 64 71 56 49 66 73 57 48 64 67 51 43 58 62 Dewpt 40 37 39 38 37 36 37 38 37 35 35 33 34 33 35 32 PWind dir W W W W W W NW NW Wind char GN GN GN GN GN BZ GN GN Avg clouds B1 B1 SC SC SC SC SC B1 SC SC SC SC SC SC SC B1 PoP 12hr 20 20 20 30 30 30 20 40 Rain S S S S C C S S C S S Rain shwrs S C Tstms S S $$ MTZ326-122200- Bozeman-Gallatin MT 45.78N 111.16W Elev. 4475 ft 858 AM MDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 45 74 42 64 Temp 55 67 73 76 64 56 50 46 57 69 72 66 56 50 46 43 49 59 63 61 Dewpt 39 43 43 43 41 41 40 39 42 40 42 44 44 43 40 38 40 41 41 41 RH 55 42 34 31 43 57 68 76 57 35 34 45 64 77 79 82 71 51 44 48 Wind dir SW NW NW W E S S S NW NW W SW W S SW SW W NW NW N Wind spd 3 6 8 9 6 6 5 4 5 11 16 17 9 5 5 3 5 11 11 14 Clouds FW FW SC FW SC SC B1 SC FW B1 B2 B2 B1 SC B1 B1 B2 B2 B2 B1 PoP 12hr 5 10 40 30 70 QPF 12hr 0 0 0.04 0.03 0.07 Snow 12hr 00-00 00-00 00-00 Rain C C Rain shwrs C C C C L L C Tstms S S S S S S S Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 41 68 44 72 43 70 38 65 Temp 48 42 59 67 51 44 66 68 51 43 63 69 48 39 59 62 Dewpt 41 38 39 38 36 34 38 39 37 35 35 35 34 32 36 35 PWind dir W W SW SW SW W NE NW Wind char GN LT GN GN GN GN GN GN Avg clouds B1 B1 SC SC SC SC SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 30 20 20 30 20 30 20 30 Rain S S S C S S S C S S Rain shwrs C S C Tstms S S S $$ MTZ330-122200- West Yellowstone-Gallatin MT 44.69N 111.11W Elev. 6644 ft 858 AM MDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 36 64 34 58 Temp 46 63 68 66 54 46 40 37 48 61 63 58 47 41 37 35 42 54 57 55 Dewpt 30 32 32 31 35 36 35 33 35 35 37 37 39 37 36 33 35 35 34 33 RH 53 31 26 27 48 68 82 85 60 38 38 45 74 85 96 92 76 48 42 43 Wind dir SW W W W SW SE E SE SW SW W S W W W NW NW W NW NW Wind spd 1 6 9 10 6 4 2 2 4 11 14 14 6 3 3 2 3 5 6 10 Clouds SC FW SC SC SC SC FW SC SC B2 B2 B1 B1 SC SC B1 B2 B2 B2 B1 PoP 12hr 10 20 70 40 70 QPF 12hr 0 0.01 0.07 0.05 0.09 Snow 12hr 00-00 00-00 00-00 Rain C C Rain shwrs S L L C C S S L L C Tstms C C C C S S S S S Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 60 34 65 35 63 34 62 Temp 39 33 55 58 40 34 60 62 43 35 59 61 42 34 58 60 Dewpt 35 32 32 29 32 29 32 32 34 30 30 26 30 26 27 23 PWind dir N N NW SW SW SW SW SW Wind char LT LT GN GN GN GN GN GN Avg clouds B1 B1 B1 SC SC SC SC SC SC FW FW SC FW FW FW B1 PoP 12hr 30 20 10 30 20 20 20 30 Rain S C S S S C Rain shwrs C Tstms S $$ MTZ328-122200- Dillon-Beaverhead MT 45.26N 112.55W Elev. 5357 ft 858 AM MDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 46 72 42 65 Temp 53 67 74 75 63 55 50 46 55 68 71 65 55 48 45 43 49 60 64 61 Dewpt 33 35 34 33 36 38 37 37 37 34 33 36 38 37 37 37 37 36 35 34 RH 46 30 23 21 36 53 61 71 51 28 25 34 53 65 73 79 63 41 34 36 Wind dir SW SW W NW N SW S S SW W W NW NW W SW SW W N NW N Wind spd 5 5 9 10 8 5 6 8 6 14 20 21 10 6 8 8 5 6 11 13 Wind gust 33 Clouds CL FW FW FW SC SC SC FW FW B1 B1 B1 SC SC B1 B2 B1 B1 B1 B1 PoP 12hr 5 10 30 20 50 QPF 12hr 0 0 0.02 0.01 0.06 Snow 12hr 00-00 00-00 00-00 Rain S S C C Rain shwrs C C C C S Tstms S S S S S Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 39 68 43 73 45 71 39 67 Temp 47 40 59 67 50 43 66 71 52 45 64 69 49 40 62 64 Dewpt 37 35 33 31 33 33 34 30 34 33 31 27 30 30 29 24 PWind dir N NW W SW W W W W Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B1 SC SC SC SC FW FW FW FW FW FW FW FW FW SC PoP 12hr 20 5 10 10 10 10 10 20 Rain S Rain shwrs S Tstms S $$ MTZ305-122200- Havre-Hill MT 48.54N 109.76W Elev. 2585 ft 858 AM MDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 49 78 50 67 Temp 56 68 74 74 65 58 54 50 60 74 77 74 63 57 54 50 54 63 66 65 Dewpt 43 46 49 48 49 48 45 43 45 47 43 45 48 49 48 47 46 44 42 40 RH 62 45 41 40 56 69 71 77 58 38 30 35 58 75 80 89 74 50 42 40 Wind dir E E S S E S S SW SW W W W W W W NW NW NW N NW Wind spd 10 6 5 9 9 9 8 10 13 13 14 16 10 9 10 10 13 13 13 12 Clouds SC SC FW B1 B1 B1 FW FW FW B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 SC PoP 12hr 20 50 40 50 50 QPF 12hr 0.01 0.07 0.04 0.04 0.02 Snow 12hr 00-00 00-00 00-00 Rain C C C C S Rain shwrs C C C C C C C C Tstms S S S S C C S S Obvis H H Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 70 48 71 44 63 39 60 Temp 51 44 65 67 53 48 64 69 53 45 58 60 46 40 56 58 Dewpt 41 40 43 39 42 41 42 43 42 39 40 39 39 35 38 37 PWind dir W W SW W W NW NW NW Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 30 30 30 40 30 30 30 Rain S C C S C C C S C C C S C Rain shwrs C Tstms S $$ MTZ314-122200- Lewistown-Fergus MT 47.05N 109.46W Elev. 4144 ft 858 AM MDT Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 46 72 47 58 Temp 53 63 68 70 59 52 49 47 59 68 71 67 57 54 50 48 51 55 57 56 Dewpt 40 44 45 45 48 45 42 40 43 41 41 43 45 44 42 43 46 45 43 41 RH 61 50 43 41 67 77 77 76 55 37 34 42 64 69 74 83 83 69 59 57 Wind dir W NW NW N SE S SW SW W W NW W SW W W W NW NW NW NW Wind spd 10 10 9 6 6 8 10 9 10 13 13 11 9 10 10 11 13 14 16 13 Clouds SC SC SC B1 SC SC FW FW CL B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 40 50 30 50 80 QPF 12hr 0.01 0.02 0.01 0.07 0.11 Snow 12hr 00-00 00-00 00-00 Rain C C L L Rain shwrs S S C C C C C D D C Tstms S C S S S S C C C Obvis H Flood A A A A A A A A A Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 MDT 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 39 64 44 67 42 60 37 55 Temp 46 40 59 63 47 45 63 64 50 43 56 57 45 38 52 53 Dewpt 40 36 39 40 38 35 40 39 38 33 37 37 36 33 36 37 PWind dir W W SW W W W W NW Wind char GN GN GN GN BZ BZ GN GN Avg clouds B1 B1 SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 40 30 40 40 40 30 40 Rain S C S S C C C C C C C Rain shwrs C C C C Tstms C S S S $$ 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