Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Grand Junction CO
418 AM MDT Mon Sep 29 2025

COZ001>014-017>023-UTZ022>025-027>029-301030-
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-
418 AM MDT Mon Sep 29 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.

Thunderstorm development is possible again this afternoon and
evening. The overall threat of storms with heavy rainfall rates will
decrease today but there remains a low probability of a few stronger
storms producing rainfall rates in excess of an inch per hour.
Gusty winds and lighting will also be a threat.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Thunderstorm development will be possible again on Tuesday mainly
over the higher terrain as another storm system works through. Gusty
winds and lightning will be the main threats.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$