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View current and future radar maps for precipitation type and intensity in Decatur, IL. See real satellite images, wind flow, and storm tracking tools from AccuWeather.
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1 day ago · Decatur, IL (62521) Today. Thunderstorms likely this morning. Then a chance of scattered thunderstorms this afternoon.
22°C. More Information: Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast. Extended Forecast for. Decatur IL. Click here for hazard details and duration. Flood Watch. Tonight. Low: 61 °F. Increasing. Clouds. Sunday. High: 80 °F. Showers then. T-storms. Sunday Night. Low: 60 °F. T-storms. Likely. Memorial Day. High: 75 °F.
- Central Illinois
- 32°F (0°C)
- 29.99 in (1015.7 mb)
- 30%
4 days ago · Lat: 39.83°N Lon: 88.87°W Elev: 670ft. Fair. 63°F. 17°C. More Information: Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast. Extended Forecast for. Decatur IL. Overnight. Low: 55 °F. Mostly Clear. Thursday. High: 80 °F. Sunny. Thursday Night. Low: 64 °F. Mostly Clear. then Slight. Chance. T-storms. Friday. High: 83 °F.
- Central Illinois
- 43°F (6°C)
- 30.24 in (1024.2 mb)
- 64%
Get the latest hourly weather forecast for Decatur, IL, including temperature, precipitation, wind, humidity, and air quality. See the sunny and cloudy conditions for the next 12 hours and the chance of snow in the morning.
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