County Forecast for La Harpe , IL
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031200-
Hancock-
Including the city of Carthage
1136 PM CDT Wed Sep 2 2026

..extreme heat warning in effect until 7 pm cdt friday   
Rest of tonight   Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph.
Thursday   Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106.
Thursday night   Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening.
Friday   Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 104.
Friday night   Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph. Heat index values up to 102 early in the evening.
Saturday   Mostly sunny. Hot with highs in the lower 90s. Heat index values up to 100.
Saturday night   Mostly clear. Lows in the lower 70s. Heat index values up to 100 early in the evening.
Sunday   Mostly sunny. Hot with highs in the lower 90s.
Sunday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s.
Labor day through wednesday   Partly cloudy. Hot. Highs in the lower 90s. Lows in the lower 70s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
More Northern Storms Thursday

Frontal boundary triggers storms from Northwest to Midwest; heat and Edouard's remnants affect the South. » More DTN Weather Commentary

Posted at 12:21PM Wed Sep 2, 2026 CDT
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