County Forecast for Pittsfield , IL
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061000-
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
938 PM CDT Wed Aug 5 2026

..flood watch in effect through thursday morning   
Tonight   Showers and thunderstorms. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall. Lows in the upper 60s. Northeast winds around 5 mph. Chance of rain near 100 percent.
Thursday   Mostly cloudy. Showers and thunderstorms likely in the morning. Some thunderstorms may produce heavy rainfall in the morning. Highs in the lower 80s. South winds around 5 mph. Chance of rain 70 percent.
Thursday night   Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.
Friday   Partly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 50 percent.
Friday night   Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows around 70. Southwest winds around 5 mph. Chance of rain 40 percent.
Saturday   Mostly sunny. Highs in the upper 80s.
Saturday night   Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.
Sunday and sunday night   Partly cloudy. A slight chance of showers and thunderstorms. Highs around 90. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100.
Monday   Mostly sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon.
Monday night and tuesday   Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 20 percent. Heat index values up to 105.
Tuesday night   Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows around 70. Chance of rain 50 percent.
Wednesday   Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Potential for Heavy Rain in Missouri and Illinois

Heavy rain of 3-4 inches targets east-central Missouri and west-central Illinois through Thursday morning. » More DTN Weather Commentary

Posted at 12:20PM Wed Aug 5, 2026 CDT
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