


Hazardous Weather Outlook
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
712 FLUS45 KGJT 030927 HWOGJT Hazardous Weather Outlook National Weather Service Grand Junction CO 327 AM MDT Wed Sep 3 2025 COZ001>014-017>023-UTZ022>025-027>029-040930- 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- 327 AM MDT Wed Sep 3 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 showers and thunderstorms develop on the San Juans this afternoon, ending going into the evening. Impacts will be limited to gusty outflow winds, small hail, and brief downpours. Warm temperatures continue today with highs about 4-6 degrees above normal. Otherwise, expect dry, warm conditions across the region. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Moisture moving in from the west and southwest will bring scattered to numerous showers and thunderstorms across the southern mountains, and more isolated storms to the north along the I-70 corridor and in the Uintas Thursday, becoming widespread across much of the region Friday through the weekend. Look for showers and thunderstorms to decrease, becoming more isolated to scattered through the first half of next week. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$