| NWS Forecast for: Sangamon County Issued by: National Weather Service Lincoln, IL Last Update: 657 PM CDT Thu Jun 18 2026 | |
| Tonight: Mostly clear. Lows in the mid 50s. Northwest winds 5 to 10 mph. Juneteenth: Sunny. Highs around 80. Northwest winds 5 to 10 mph. Friday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph. Saturday: Mostly sunny. Highs in the lower 80s. West winds around 5 mph. Saturday Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. Northeast winds around 5 mph, becoming east after midnight. Chance of rain 30 percent. Sunday And Sunday Night: Showers with a chance of thunderstorms. Locally heavy rainfall possible. Highs in the upper 70s. Lows in the lower 60s. Chance of rain 90 percent. Monday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s. Monday Night Through Wednesday: Partly cloudy. Lows in the upper 50s. Highs in the upper 70s. Wednesday Night: Mostly clear. Lows around 60. Thursday: Mostly sunny. Highs around 80. | |
| Zone Forecast: Sangamon County | |
Visit your local NWS office at: https://www.weather.gov/ilx |