Heavy rainfall caused minor flooding in some areas of western Colorado.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GJT wrote it up.
Heavy rainfall caused minor flooding in some areas of western Colorado.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Grand Junction, CO wrote its last area forecast discussion before the first event at Jun 26, 2:37 AM MST, 3 hours 53 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 337 AM MDT FRI JUN 26 2009 .SHORT TERM...TODAY THROUGH SATURDAY NIGHT... DEEP SUB-TROPICAL PLUME OF MOISTURE CONTINUES TO BE DRAWN NORTHWARD ACROSS EASTERN UTAH AND WESTERN COLORADO THIS MORNING ON THE BACK SIDE OF SOUTHERN PLAINS HIGH PRESSURE. PRECIPITABLE WATER VALUES NOW OVER ONE INCH BASED ON THE EVENING SOUNDINGS AND LITTLE CHANGE IS EXPECTED THROUGH THIS AFTERNOON. DIVERGENT FLOW AHEAD OF DIGGING SHRTWV TROF HEADING INTO THE GREAT BASIN WILL KEEP THE REGION CLOUDY AND COOL TODAY WITH WIDESPREAD SHOWERS AND THUNDERSTORMS EXPECTED. MORNING SHOWERS ACROSS EASTERN UTAH WILL CONTINUE TO EXPAND IN COVERAGE AND EVENTUALLY MOVE INTO WESTERN COLORADO BY MIDDAY. MODEL QPF VALUES APPEARS WAY OVERDONE...ESPECIALLY THIS MORNING WHERE BOTH THE GFS AND NAM KICKING OUT OVER 1 INCH IN 3 HOUR PERIODS ACROSS PORTIONS OF EASTERN UTAH. WILL BE CUTTING THOSE VALUES IN HALF AT A MINIMUM...BUT ANTICIPATE JUST ABOUT THE ENTIRE FORECAST AREA WILL SEE AT LEAST A TENTH OF AN INCH TODAY. SHEAR PROFILE SHARPENS UP NICELY THIS AFTERNOON WITH THE SHRTWV TROF MOVING THROUGH. THIS WILL LEAD TO STRONGER STORMS THIS AFTERNOON...WITH STRONG OUTFLOW WINDS POSSIBLE...IN ADDITION TO THE HEAVY RAIN AND SMALL HAIL. TEMPS WILL BE MUCH COOLER TODAY WITH THE DEEPER MOISTURE AND CLOUD COVER IN PLACE...SO HAVE SHAVED A GOOD 5 TO 10 DEGREES OFF OUR PREVIOUSLY FCST HIGHS. CONVECTION IS EXPECTED TO WIND DOWN THIS EVENING WITH THE TROUGH SWEEPING OUT THE DEEPER MOISTURE...LEADING TO COOLER OVERNIGHT LOW TEMPS. SATURDAY WILL BE NOTICEABLY DRIER AND WARMER...WITH MAINLY ISOLATED TO SCATTERED CONVECTION EXPECTED. BULK OF SATURDAY STORMS WILL BE CONFINED TO THE HIGHER TERRAIN NEAR THE DIVIDE...AND OVER THE SAN JUANS AND ADJACENT SOUTHERN FOOTHILLS. HAVE OPTED AGAINST A FLASH FLOOD WATCH AT THIS TIME DUE TO THE COOLER TEMPS KEEPING DEEPER CONVECTION IN CHECK THIS MORNING...AND FASTER STORM MOTION THIS AFTERNOON. HOWEVER...WE WILL CONTINUE TO MONITOR THE POTENTIAL CLOSELY AS THE DAY WEARS ON. .LONG TERM...SUNDAY THROUGH THURSDAY... MODELS ARE SHOWING WEAK REMNANTS OF FRIDAY AND SATURDAYS TROUGH HANGING AROUND THROUGH SUNDAY...WHICH COMBINED WITH RESIDUAL MOISTURE SHOULD PROVIDE ENOUGH INSTABILITY TO FUEL SHOWERS AND THUNDERSTORMS OVER THE HIGHER TERRAIN. THIS ACTIVITY WILL FAVOR THE AFTERNOON AND EVENING HOURS AND WILL GRADUALLY DIMINISH AFTER SUNSET SUNDAY EVENING. ON MONDAY AND TUESDAY...THE HIGH PRESSURE THAT HAS BEEN ANCHORED OVER THE SOUTHERN PLAINS STATES WILL REBUILD ITSELF OVER THE DESERT SOUTHWEST...CENTERING NEAR THE FOUR CORNERS AREA BY TUESDAY AFTERNOON. SUBTROPICAL MOISTURE BEGINS TO SNEAK IN UNDER THE HIGH BY TUESDAY AFTERNOON AND SPREADS NORTH AND EASTWARD THROUGH THE END OF THE PERIOD...SO MONDAY SHOULD REMAIN DRY BUT EXPECT INCREASING SHOWERS AND THUNDERSTORMS THROUGH THE SECOND HALF OF THE PERIOD. CONTINUED A WARMING TREND FOR TEMPS THROUGH TUESDAY...WITH HIGHEST MAX TEMPS PEAKING TUESDAY AFTERNOON...BUT EXPECT INCREASED CLOUD COVER TO DECREASE MAX TEMPS AND INCREASE MIN TEMPS THEREAFTER. && .AVIATION... NUMEROUS SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS WESTERN COLORADO AND EASTERN UTAH THROUGH THIS EVENING AS A DEEP PLUME OF SUB-TROPICAL MOISTURE WORKS NORTH. MVFR CIGS AND VSBY WILL BE COMMON WITH SHOWERS AND THUNDERSTORMS...ALONG WITH GUSTY WINDS TO 50 MPH...HEAVY RAIN AND SMALL HAIL. CONDITIONS IMPROVE AFTER 06Z SATURDAY...ALTHOUGH LOCAL IFR CONDS WILL BE POSSIBLE NEAR KEGE... KGUC AND KDRO...IN FOG AND LOW CLOUDS AS A RESULT OF RECENT RAINFALL. AFTER 16Z SATURDAY...VFR CONDITIONS CAN BE EXPECTED...WITH ONLY ISOLATED MOUNTAIN THUNDERSTORMS EXPECTED. && .GJT WATCHES/WARNINGS/ADVISORIES... .CO...NONE. .UT...NONE. SHORT TERM.....JDC LONG TERM......MCS AVIATION.......JDC
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 545 AM MDT FRI JUN 26 2009 COZ001>014-017>023-UTZ022>025-027>029-271145- ANIMAS RIVER BASIN-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES- CENTRAL COLORADO RIVER BASIN- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN- CENTRAL YAMPA RIVER BASIN-DEBEQUE TO SILT CORRIDOR- EASTERN UINTA BASIN-EASTERN UINTA MOUNTAINS- ELKHEAD AND PARK MOUNTAINS-FLAT TOPS- FOUR CORNERS/UPPER DOLORES RIVER- GORE AND ELK MOUNTAINS/CENTRAL MOUNTAINS-GRAND AND BATTLEMENT MESAS- GRAND VALLEY-LA SAL AND ABAJO MOUNTAINS-LOWER YAMPA RIVER BASIN- NORTHWEST SAN JUAN MOUNTAINS-PARADOX VALLEY/LOWER DOLORES RIVER- ROAN AND TAVAPUTS PLATEAUS-SAN JUAN RIVER BASIN-SOUTHEAST UTAH- SOUTHWEST SAN JUAN MOUNTAINS-TAVAPUTS PLATEAU- UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-UPPER GUNNISON RIVER VALLEY- UPPER YAMPA RIVER BASIN-WEST ELK AND SAWATCH MOUNTAINS- 545 AM MDT FRI JUN 26 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT... NUMEROUS SHOWERS AND THUNDERSTORMS WILL OCCUR ACROSS EASTERN UTAH AND WESTERN COLORADO THROUGH THIS EVENING. HEAVY RAIN...STRONG GUSTY WINDS TO 50 MPH...AND SMALL HAIL UP TO ONE HALF INCH IN DIAMETER WILL OCCUR WITH THE STRONGER STORMS. THE HEAVY RAIN WILL CAUSE SUDDEN RISES OF NORMALLY DRY CREEKS AND STREAMS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL BE COMMON OVER THE REGION THROUGH NEXT THURSDAY. LOCALLY HEAVY RAIN...GUSTY WINDS... SMALL HAIL AND FREQUENT LIGHTNING WILL BE POSSIBLE WITH THE STRONGER THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING. REPORTS OF HEAVY RAIN...HAIL...WIND GUSTS OVER 50 MPH AND FLOODING SHOULD BE RELAYED AS SOON AS SAFELY POSSIBLE. JDC
The national radar mosaic for the moment the first event began.
5 heavy rain. Local standard time, as filed.
Street flooding was encountered by persons traveling in the vicinity of Orchard Avenue and 29.5 Road.
Heavy rainfall caused street flooding in the southern part of the town of Delta, including the area around 12th and Main Street.
Heavy rainfall totaling 0.82 of an inch fell within about an hour resulting in minor street flooding.
Heavy rainfall resulted in minor flooding in many areas within the Grand Junction metropolitan area. Street flooding occurred along North Avenue between 4th and 7th Streets where a manhole cover was blown out, along 7th Street between North Avenue and Orchard Avenue, and on Patterson Road between 12th and 15th Streets. Flood waters also seeped into the Doubletree Hotel where some water damage occurred.
Heavy rainfall resulted in a mudslide next to I-70 at Exit 42. The heavy rainfall also caused the fall of several large boulders onto the westbound lanes of I-70 near mile marker 43. The boulders, which weighed up to a thousand pounds, closed the westbound lanes of I-70 for about an hour until they were all removed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2009Every state in 2009This day in weather historyWarnings in Colorado, June 2009
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 180846, 180850, 180847, 180848, 180849.