County Forecast for Ursa , IL
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190800-
Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO-
Monroe MO-Ralls MO-Pike MO-
Including the cities of Quincy, Mount Sterling, Pittsfield,
Hannibal, and Bowling Green
728 PM CDT Sat Jul 18 2026

Tonight   Partly cloudy with a slight chance of showers. A chance of thunderstorms, mainly this evening. Lows in the lower 70s. West winds 5 to 10 mph, becoming north after midnight. Chance of rain 30 percent.
Sunday   Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Northeast winds around 5 mph. Chance of rain 20 percent.
Sunday night   Partly cloudy. Lows around 70. East winds around 5 mph.
Monday   Mostly sunny. Humid with highs in the lower 90s. South winds around 5 mph. Heat index values up to 103.
Monday night   Mostly clear. A chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 103 early in the evening.
Tuesday and tuesday night   Mostly clear. Highs in the lower 90s. Lows in the upper 60s.
Wednesday   Sunny. Highs in the mid 80s.
Wednesday night   Partly cloudy. Lows in the lower 60s.
Thursday and thursday night   Partly cloudy. A slight chance of showers and thunderstorms. Highs in the lower 80s. Lows in the mid 60s. Chance of rain 20 percent.
Friday   Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the mid 80s. Chance of rain 50 percent.
Friday night   Mostly cloudy in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent.
Saturday   Mostly sunny. Highs in the upper 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heat Wave Continues for Western Corn Belt This Weekend, Then Ends
Posted at 12:00PM Fri Jul 17, 2026 CDT
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