Crystal Lake, IL — Severe Weather & Radar
No active severe-weather warnings for Crystal Lake, IL right now. Live radar is below — set up alerts to get warned the moment one is issued.
Severe-weather outlook
General (non-severe) thunderstorms are possible in Crystal Lake, ILtoday, per the Storm Prediction Center's Day 1 outlook.
3-day forecast
Today
Heavy rain
83° / 70°
32% precip
Tomorrow
Light drizzle
83° / 68°
25% precip
Saturday
Overcast
81° / 64°
1% precip
Forecast via Open-Meteo.
In Crystal Lake, IL
Crystal Lake, IL is home to an estimated 40,000 people. Atmostorm shows whether Crystal Lake is inside an active NWS warning polygon right now — and warns you the moment that changes.
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.