County Forecast for Stronghurst , IL
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210800-
Henderson-
Including the city of Oquawka
707 PM CDT Mon Jul 20 2026

..heat advisory in effect until 8 pm cdt this evening    ...SEVERE THUNDERSTORM WATCH 504 IN EFFECT UNTIL 11 PM CDT THIS EVENING...
Tonight   Thunderstorms likely with scattered showers this evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent. Heat index values up to 103 early this evening.
Tuesday   Sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the mid 80s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
Tuesday night   Clear, cooler with lows in the lower 60s. North winds 10 to 15 mph.
Wednesday   Sunny. Highs in the upper 70s. North winds 5 to 10 mph.
Wednesday night   Partly cloudy in the evening, then clearing. Lows in the upper 50s. Northeast winds around 5 mph in the evening, becoming light and variable.
Thursday   Sunny. Highs in the upper 70s.
Thursday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60.
Friday   Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s.
Friday night   Partly cloudy. Lows in the lower 60s.
Saturday and saturday night   Mostly clear. Highs in the mid 80s. Lows in the upper 60s.
Sunday through monday   Mostly clear. Hot. Highs in the lower 90s. Lows in the lower 70s. Heat index values up to 100.
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Bryce Anderson – DTN Meteorologist
Front Continues Through Corn Belt Tuesday
Posted at 12:04PM Mon Jul 20, 2026 CDT
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