Lewis County, MO — Severe Weather & Radar
No active severe-weather warnings for Lewis County, MO right now. Live radar is below — set up alerts to get warned the moment one is issued.
Severe Storms, Straight-Line Winds, Tornadoes, and Flooding: FEMA approved a major disaster declaration for this county on Aug 3, 2026. It pays for the public recovery, like roads, public buildings and debris. Assistance for individuals isn't approved here; FEMA's page shows if that changes.
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Severe-weather outlook
No severe-weather risk is outlooked for Lewis County, MO today.
3-day forecast
Forecast: NOAA National Blend of Models.
When is severe weather most likely near Lewis?
Around Lewis County and the Midwest, severe weather is most active from April through June.
The main threats are damaging thunderstorm winds — including widespread, long-lived derechos — along with large hail and tornadoes.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In Lewis County, MO
Lewis County, MO has an estimated 10,000 residents, plus 3 nursing homes, 4 schools that could be in a storm's path. Atmostorm shows which of them fall inside an active warning polygon.
Emergency-management view: who & what is in the warned path →
Nearby areas
Live radar and active alerts for places near Lewis:
Not an official source — always confirm with the National Weather Service at weather.gov. Data aggregated from NWS/SPC. Facility and population figures are decision-support estimates.