County Forecast for Ursa , IL
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181800-
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
523 AM CDT Tue Aug 18 2026

Today   Partly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph.
Tonight   Mostly cloudy. Numerous showers and thunderstorms after midnight. Lows in the upper 60s. Southwest winds around 5 mph, becoming northeast after midnight. Chance of rain 70 percent.
Wednesday   Mostly cloudy with scattered showers and thunderstorms in the morning, then partly sunny with isolated showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds around 5 mph. Chance of rain 50 percent.
Wednesday night   Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 20 percent.
Thursday   Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Thursday night and friday   Mostly clear. Lows in the mid 60s. Highs in the mid 80s.
Friday night   Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent.
Saturday and saturday night   Mostly clear. Highs in the lower 80s. Lows in the lower 60s.
Sunday   Mostly sunny. Highs in the lower 80s.
Sunday night   Mostly cloudy in the evening, then becoming partly cloudy. A 20 percent chance of showers. Lows in the mid 60s.
Monday   Partly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Moving Through Central Plains, Great Lakes Tuesday
Posted at 5:36AM Tue Aug 18, 2026 CDT
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