874 
WGUS73 KDMX 030530
FFSDMX

Flash Flood Statement
National Weather Service Des Moines IA
1230 AM CDT Fri Jul 3 2026

IAC099-153-031015-
/O.CON.KDMX.FF.W.0012.000000T0000Z-260703T1015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jasper IA-Polk IA-
1230 AM CDT Fri Jul 3 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 AM CDT EARLY THIS 
MORNING FOR NORTHWESTERN JASPER AND NORTHERN POLK COUNTIES...

At 1230 AM CDT, Doppler radar and automated rain gauges indicated 
thunderstorms producing heavy rain across the warned area. Between 3 
and 6 inches of rain have fallen. Additional rainfall amounts of 1 
to 3 inches are possible in the warned area. Flash flooding is 
ongoing or expected to begin shortly.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Radar and automated gauges.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Ankeny, Johnston, Newton, Bondurant, Polk City, Colfax, Granger, 
  Baxter, Iowa Speedway, Saylorville Lake, Big Creek Lake, Elkhart, 
  Alleman, Sheldahl, Mingo, Lambs Grove, Valeria, Newton Municipal 
  Airport and Big Creek State Park.

Expect significant flash flooding in the Fourmile Creek Basin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

For the latest stream observations and forecasts refer to 
weather.gov/desmoines/water.

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 4186 9381 4186 9335 4186 9284 4166 9299
      4169 9335 4172 9381

FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

Ansorge


031 
WGUS73 KDMX 030556
FFSDMX

Flash Flood Statement
National Weather Service Des Moines IA
1256 AM CDT Fri Jul 3 2026

IAC013-075-127-171-030606-
/O.EXP.KDMX.FF.W.0010.000000T0000Z-260703T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Black Hawk IA-Grundy IA-Marshall IA-Tama IA-
1256 AM CDT Fri Jul 3 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 1 AM CDT EARLY THIS MORNING 
FOR SOUTHERN GRUNDY, NORTH CENTRAL MARSHALL, NORTHWESTERN TAMA AND 
SOUTHWESTERN BLACK HAWK COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

A Flood Watch remains in effect until 1000 AM CDT Friday for 
portions of central, north central, northeast, northwest, and west 
central Iowa.

&&

LAT...LON 4227 9300 4231 9296 4240 9284 4241 9263
      4247 9244 4243 9239 4236 9241 4223 9273
      4214 9293 4216 9299 4226 9300

$$

Jimenez