Flash Flood Warning
Flash Flood Warning · Jasper, IA; Marshall, IA; Story, IA
Last updated · source: NOAA / National Weather Service
This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Flash Flood Warning issued July 4 at 2:18AM CDT until July 4 at 8:15AM CDT by NWS Des Moines IA
This is a severe-significance flash flood warning event affecting Jasper, IA; Marshall, IA; Story, IA, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Area
- Jasper, IA; Marshall, IA; Story, IA
- Began
- 2026-07-04 07:18 UTC
- Expected end
- 2026-07-04 13:15 UTC
Possible damage: watermold
Affected by this event? Open your area's damage guides below to reach a vetted local restoration pro, 24/7.
Affected areas & guides
Every area named for this event, per the official source. Open yours for damage guides — what to do first, and how to reach a vetted restoration pro, 24/7.
Jasper, IA
Marshall, IA
Story, IA
Des Moines, IA
Affected area map
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Jasper, IA; Marshall, IA; Story, IA), colored by its significance. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NOAA / National Weather Service ↗.
Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- Storm report NWS DMX storm report
FLOOD — 3 ESE Ames, IA
I-35 northbound exit 111 ramp closed due to water flowing over the road.
- Storm report NWS DMX storm report
FLASH FLOOD — 3 WNW Maxwell, IA
Two-day storm rainfall totals reached up to 15 inches, causing widespread flash flooding. Water is covering roadways and has risen up to local homes. Report time is estimated.
- Storm report NWS DMX storm report
FLASH FLOOD — 1 NW Colfax, IA
Delayed report. IA 117 closed due to standing water at mile marker 7.6 (between Co Rd F48 and I-80).
- Storm report NWS DMX storm report
FLASH FLOOD — 2 N Ames, IA
Roads flooded and people stranded.
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.