619
WGUS43 KDVN 201304
FLWDVN
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
804 AM CDT SUN SEP 20 2026
IAC031-095-103-107-115-139-183-201900-
/O.NEW.KDVN.FA.W.0003.260920T1304Z-260920T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CEDAR IA-IOWA IA-JOHNSON IA-KEOKUK IA-LOUISA IA-MUSCATINE IA-
WASHINGTON IA-
804 AM CDT SUN SEP 20 2026
..FLOOD WARNING IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON
...REPLACES FLASH FLOOD WARNING...
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.
* WHERE...SOUTHERN CEDAR COUNTY IN EAST CENTRAL IOWA...
IOWA COUNTY IN EAST CENTRAL IOWA...
JOHNSON COUNTY IN EAST CENTRAL IOWA...
MUSCATINE COUNTY IN EAST CENTRAL IOWA...
KEOKUK COUNTY IN SOUTHEASTERN IOWA...
NORTHWESTERN LOUISA COUNTY IN SOUTHEASTERN IOWA...
WASHINGTON COUNTY IN SOUTHEASTERN IOWA...
* WHEN...UNTIL 200 PM CDT.
* IMPACTS...FLOODING OF RIVERS, CREEKS, STREAMS, AND OTHER LOW-LYING
AND FLOOD-PRONE LOCATIONS IS IMMINENT OR OCCURRING. STREAMS
CONTINUE TO RISE DUE TO EXCESS RUNOFF FROM EARLIER RAINFALL.
LOW-WATER CROSSINGS ARE INUNDATED WITH WATER AND MAY NOT BE
PASSABLE. EXPECT MANY AREAS OF SLOW MOVING OR STANDING WATER. IT
WILL TAKE SEVERAL HOURS FOR ALL THE WATER FROM THESE STORMS TO WORK
THROUGH LOCAL DRAINAGE SYSTEMS IN URBAN AREAS.
* ADDITIONAL DETAILS...
- AT 801 AM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
HEAVY RAIN OF 2 TO 5 INCHES OCCURRED SINCE LAST EVENING. THIS
HEAVY RAIN FALLING ON SATURATED GROUND HAS RESULTED IN FLOODING
OF LOW LYING AREAS, STREAMS, CREEKS, RIVERS AND POORLY DRAINED
AREAS. THE THREAT FOR HEAVY RAIN HAS ENDED, BUT RUNOFF WILL DELAY
THE FALL OF WATER LEVELS AND IMPROVEMENT IN CONDITIONS.
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
IOWA CITY, MUSCATINE, WASHINGTON, TIPTON, MARENGO, WEST BRANCH,
SIGOURNEY, COLUMBUS JUNCTION, DURANT, CORALVILLE, NORTH LIBERTY,
WEST LIBERTY, WILLIAMSBURG, WILTON, KALONA, TIFFIN, WELLMAN, LONE
TREE AND UNIVERSITY HEIGHTS.
- THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 205 AND 277.
INTERSTATE 380 BETWEEN MILE MARKERS 1 AND 7.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 4165 9230 4180 9230 4179 9090 4171 9090
4160 9091 4142 9105 4127 9110 4121 9241
4151 9241 4151 9230
MCCLURE
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