Skip to content
DisasterStatus
Severe significance Inactive Nationwide

Severe Thunderstorm Warning

Severe Thunderstorm Warning · Mahaska, IA; Poweshiek, 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This event is no longer active — it's kept here as a record.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.

Severe Thunderstorm Warning issued July 4 at 3:04AM CDT until July 4 at 4:00AM CDT by NWS Des Moines IA

This is a severe-significance severe thunderstorm warning event affecting Mahaska, IA; Poweshiek, IA, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.

Type
Severe Thunderstorm Warning
Area
Mahaska, IA; Poweshiek, IA
Began
2026-07-04 08:04 UTC
Expected end
2026-07-04 09:00 UTC

Possible damage: stormwater

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.

Affected area map

The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Mahaska, IA; Poweshiek, 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.

Mahaska, IA; Poweshiek, IA · ≈ 750 sq mi reported extent · Map © OpenStreetMap contributors

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.

  1. 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.

    Read the full report at NWS DMX storm report ↗

  2. 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.

    Read the full report at NWS DMX storm report ↗

  3. 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).

    Read the full report at NWS DMX storm report ↗

  4. Storm report NWS DVN storm report

    TSTM WND GST (58 MPH) — 2 ESE Homestead, IA

    Read the full report at NWS DVN storm report ↗

  5. Storm report NWS DMX storm report

    FLASH FLOOD — 2 N Ames, IA

    Roads flooded and people stranded.

    Read the full report at NWS DMX storm report ↗

Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.

Call (800) 555-0100