Harrison County, MS — Severe Weather & Radar
No active severe-weather warnings for Harrison County, MS right now. Live radar is below — set up alerts to get warned the moment one is issued.
Tropical Storm Arthur: FEMA approved a major disaster declaration for this county on Aug 3, 2026. If your home or belongings were damaged, you can apply for FEMA assistance online or at 1-800-621-3362.
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Severe-weather outlook
No severe-weather risk is outlooked for Harrison County, MS today.
3-day forecast
Forecast: NOAA National Blend of Models.
When is severe weather most likely near Harrison?
Harrison County is in the Southeast's "Dixie Alley," a region with a high tornado risk — including strong, fast-moving, and nighttime tornadoes that are especially dangerous.
The severe season peaks from March through May, with a secondary uptick in late fall. Damaging winds and hail are common as well.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In Harrison County, MS
Harrison County, MS has an estimated 210,000 residents, plus 7 hospitals, 7 nursing homes, 55 schools, 12 mobile-home parks, 6 dialysis centers 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 Harrison:
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.