Severe Thunderstorm Warning for Howard and Chickasaw Counties, IA

Source: NOAA · Northeastern Iowa

This alert is no longer in effect.

NOAA issued it on May 27, 2026, 2 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS La Crosse has issued a Severe Thunderstorm Warning for Howard and Chickasaw Counties in northeastern Iowa until 11:45 PM CDT on May 17.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Northeastern Iowa
Issued
May 27, 2026
Issuing authority
NWS La Crosse WI

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

Record status: historical. It was issued 2 months ago; use the issuing agency's live warning service for current conditions in Northeastern Iowa.

Alert Details

Severe Thunderstorm Warning issued by NWS La Crosse WI. Effective from May 17 at 10:49 PM CDT until May 17 at 11:45 PM CDT.

Affected Areas

Howard County in northeastern Iowa and Chickasaw County in northeastern Iowa. Severe thunderstorms were located along a line extending from near Brownsdale to near Osage to 6 miles southwest of Greene, moving east at 60 mph. Impacted locations include Riceville, Elma, Nashua, Ionia, Lime Springs, New Hampton, Jerico, Cresco, Fredericksburg, Lawler, Protivin, Vernon Springs County Park, Vernon Springs, Bradford, Chickasaw, New Hampton Airport, and County Roads V 58 And A 46, B 28 And V 18.

What You Should Do

Remain alert for a possible tornado. Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.

Expected Conditions

At 10:49 PM CDT, severe thunderstorms were located along the line noted above. Hazard includes 60 mph wind gusts with radar indicated source. Impact includes expected damage to roofs, siding, and trees. Hail up to .75 inches possible. Tornado detection possible.

Timeline

Alert effective May 17 at 10:49 PM CDT and expires May 17 at 11:45 PM CDT.

Original source: NOAA Official Notice ↗

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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS La Crosse has issued a Severe Thunderstorm Warning for Howard and Chickasaw Counties in northeastern Iowa until 11:45 PM CDT on May 17.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northeastern Iowa. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.