Hazardous Weather Outlook
Issued by NWS Grand Junction, CO
Issued by NWS Grand Junction, CO
558 FLUS45 KGJT 181028 HWOGJT Hazardous Weather Outlook National Weather Service Grand Junction CO 428 AM MDT Fri Jul 18 2025 COZ001>014-017>023-UTZ022>025-027>029-191030- 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- 428 AM MDT Fri Jul 18 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. Scattered to widespread showers and thunderstorms will develop across the southern and central mountains with coverage more scattered on the higher terrain to the north and west this afternoon and evening. A few of these storms may become severe producing large hail, damaging winds and localized heavy rain with flash flooding possible in flood prone areas, such as fire scars and slot canyons. Wildfire smoke remains visible across much of the CWA. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. The moisture starts drying out Saturday with more scattered showers and thunderstorms on terrain. Dry air returns Sunday into early next week with a return of near critical fire weather conditions. There will be enough residual moisture to produce afternoon thunderstorms with increased probability for dry lightning. Wildfire smoke will remain visible for much of eastern Utah and western Colorado. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. Spotters are encouraged to report excessive wind or observed wind related damage, and to relay rainfall amounts or any observed flooding to the National Weather Service in Grand Junction. $$