County Forecast for La Harpe , IL
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121700-
Hancock-
Including the city of Carthage
321 AM CST Thu Nov 12 2026

Today   Mostly sunny late, then becoming partly sunny. A chance of showers this morning. Much cooler with highs in the mid 40s. Northwest winds around 10 mph, becoming north 15 to 20 mph. Chance of rain 20 percent.
Tonight   Partly cloudy. Lows around 30. North winds 10 to 15 mph.
Friday   Mostly sunny. Highs in the mid 40s. North winds 10 to 15 mph.
Friday night   Mostly clear. Lows in the mid 20s. North winds around 5 mph.
Saturday   Sunny. Highs in the mid 40s. Northwest winds around 5 mph.
Saturday night through monday night   Mostly clear. Lows in the upper 20s. Highs in the lower 50s.
Tuesday and tuesday night   Clear. Highs in the mid 50s. Lows in the lower 30s.
Wednesday   Sunny. Highs in the upper 50s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Cooler Air Moving In Thursday

A Midwest system brings Wednesday storms before pulling sharp, weekend-chilling cold air across the Southeast. » More DTN Weather Commentary

Posted at 12:17PM Wed Nov 11, 2026 CST
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