Hazardous Weather Outlook
Issued by NWS Grand Junction, CO

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FLUS45 KGJT 011036
HWOGJT

Hazardous Weather Outlook
National Weather Service Grand Junction CO
436 AM MDT Sun Jun 1 2025

COZ001>014-017>023-UTZ022>025-027>029-021045-
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-
436 AM MDT Sun Jun 1 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 to scattered afternoon showers and thunderstorms will
develop over the higher terrain today favoring the Divide. The
primary threats from these storms will be lightning, and gusty
outflow winds 40 to 50 mph. Showers will diminish through the
evening.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Remnants of Tropical Storm Alvin moves up into the region Monday into
Tuesday bringing widespread showers, scattered thunderstorms, and a
possible threat of localized flash flooding in areas prone to heavy
runoff. Isolated to scattered afternoon showers and thunderstorms
return daily from Wednesday into the weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$