FLASH FLOOD WARNING
FLASH FLOOD WARNING ISSUED AUGUST 13 AT 12:50PM MDT UNTIL AUGUST 13 AT 3:45PM MDT
Effective: 2026-08-13 12:50:00 Expires: 2026-08-13 15:45:00 Issued by: NWS Grand Junction CO
FFWGJT THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A

* FLASH FLOOD WARNING FOR... SOUTHWESTERN MESA COUNTY IN WEST CENTRAL COLORADO...

* UNTIL 345 PM MDT.

* AT 1250 PM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN IN JOHN BROWN CANYON. BETWEEN 0.5 AND 1 INCH OF RAIN HAS FALLEN. THE EXPECTED RAINFALL RATE IS 1 TO 2 INCHES IN 1 HOUR. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY.

HAZARD...LIFE THREATENING FLASH FLOODING. THUNDERSTORMS PRODUCING FLASH FLOODING.

SOURCE...RADAR INDICATED.

IMPACT...FLASH FLOODING OF CREEKS AND STREAMS, HIGHWAYS, COUNTY ROADS AND UNDERPASSES CULVERTS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE... MAINLY RURAL AREAS OF SOUTHWESTERN MESA COUNTY, WEST OF GATEWAY, INCLUDING JOHN BROWN CANYON.
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