Headline:
Flash Flood Warning issued October 1 at 4:38AM CDT until October 1 at 10:45AM CDT by NWS Des Moines IA
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
October 1, 2026 - 2:38am
Expires:
October 1, 2026 - 8:45am
Description:
FFWDMX
The National Weather Service in Des Moines has issued a
* Flash Flood Warning for...
Grundy County in central Iowa...
Northern Tama County in central Iowa...
Southeastern Butler County in north central Iowa...
Black Hawk County in northeastern Iowa...
* Until 1045 AM CDT Thursday.
* At 438 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1 and 3 inches of rain have fallen. The expected rainfall rate is 1
to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches
are possible in the warned area. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar and automated gauges.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Waterloo, Cedar Falls, Grundy Center, Evansdale, Hudson, Reinbeck,
Dike, Elk Run Heights, Uni-Dome And McLeod Center, Waterloo
Municipal Airport, Crossroads Mall, Washburn, Dunkerton, Raymond,
Wellsburg, New Hartford, Holland, Stout and Morrison.
This includes Interstate 380 between mile markers 65 and 73.
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
For the latest stream observations and forecasts refer to
weather.gov/desmoines/water.
Area Description:
Black Hawk, IA; Butler, IA; Grundy, IA; Tama, IA
Forcast Office:
NWS Des Moines IA
Sender:
w-nws.webmaster@noaa.gov