


Snow Avalanche Guidance
Issued by NWS Missoula, MT
Issued by NWS Missoula, MT
843 FWUS45 KMSO 170949 SAGGPI High Elevation Glacier Park Forecast National Weather Service Missoula MT 349 AM MDT Sat May 17 2025 .SYNOPSIS...Forecast models continue to trend towards a wet and cool weather system for Sunday, with high confidence in snow level dropping to at least 6000 feet by mid day Sunday. Current guidance shows a 40 to 50 percent chance of at least 6 inches of snowfall by Sunday night in the higher terrain. View the graphical probabilistic forecast on our Mountain Weather website at https://www.weather.gov/mso/MtnWx?location=Garden_Wall_near_Logan_Pass MTZ002-172230- Garden Wall-Glacier Park MT 48.74N 113.72W Elev. 7400 ft 349 AM MDT Sat May 17 2025 Date Sat 05/17/25 Sun 05/18/25 MDT 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Temp 30 31 34 39 40 38 34 34 32 29 29 29 29 RH 92 88 82 70 67 67 69 75 81 96100100100 Wind dir SW SW SW SW SW E E E NE NE NW W W Wind spd 10 10 8 8 5 5 6 8 9 10 10 10 12 Clouds 84 87 57 36 58 67 75 95 96 96 97 97 89 PoP 12hr 20 60 100 QPF 12hr 0 0.24 0.99 Snow 12hr 00-00 1 7 SnoLvl 12hr 6600 7500 6100 $$