County Forecast for La Harpe , IL
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231200-
Hancock-
Including the city of Carthage
1137 PM CDT Wed Jul 22 2026

Rest of tonight   Mostly clear. Lows in the upper 50s. Northeast winds around 5 mph.
Thursday   Sunny. Highs in the upper 70s. Southeast winds around 5 mph.
Thursday night   Mostly cloudy. Lows in the lower 60s. Southeast winds around 5 mph.
Friday   Mostly cloudy with a 50 percent chance of showers. Highs in the mid 70s. South winds 5 to 10 mph.
Friday night   Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 50 percent.
Saturday   Partly sunny in the morning, then clearing. Warmer with highs in the upper 80s.
Saturday night and sunday   Mostly clear. Hot. Lows in the lower 70s. Highs in the lower 90s. Heat index values up to 105.
Sunday night   Partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening.
Monday   Sunny, hot with highs in the lower 90s. Heat index values up to 105.
Monday night through tuesday night   Partly cloudy. Hot. Lows in the lower 70s. Highs around 90. Heat index values up to 105.
Wednesday   Sunny. Highs in the upper 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
More Rain in Central Plains Thursday
Posted at 12:12PM Wed Jul 22, 2026 CDT
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