


Hazardous Weather Outlook
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
768 FLUS45 KGJT 170800 HWOGJT Hazardous Weather Outlook National Weather Service Grand Junction CO 200 AM MDT Sun Aug 17 2025 COZ001>014-017>023-UTZ022>025-027>029-181200- Lower Yampa River Basin-Central Yampa River Basin- Roan and Tavaputs Plateaus-Elkhead and Park Mountains- Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor- Central Colorado River Basin-Grand and Battlement Mesas- Gore and Elk Mountains/Central Mountain Valleys- Central Gunnison and Uncompahgre River Basin- West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley- Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains- Southwest San Juan Mountains-Paradox Valley/Lower Dolores River- Four Corners/Upper Dolores River-Animas River Basin- San Juan River Basin-Southeast Utah-Eastern Uinta Mountains- Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat- La Sal and Abajo Mountains-Canyonlands/Natural Bridges- 200 AM MDT Sun Aug 17 2025 This Hazardous Weather Outlook is for northwest Colorado, southwest Colorado, west central Colorado, east central Utah, northeast Utah and southeast Utah. .DAY ONE...Today and tonight. Isolated terrain-based storms are possible this afternoon and may produce gusty outflow winds up to 40 mph. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Isolated thunderstorm chances continue over the higher terrain through Wednesday before increasing in coverage Thursday and beyond. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$