County Forecast for La Harpe , IL
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171400-
Hancock-
Including the city of Carthage
121 AM CDT Thu Sep 17 2026

Rest of tonight   Mostly cloudy. Patchy fog. Near steady temperature in the lower 70s. Southeast winds around 5 mph.
Thursday   Patchy fog in the morning. Partly sunny. Humid with highs in the mid 80s. Southeast winds around 5 mph, becoming west in the afternoon.
Thursday night   Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the upper 60s. Northeast winds around 5 mph.
Friday   Partly sunny. A chance of showers in the morning. Humid with highs in the mid 80s. East winds 5 to 10 mph. Chance of rain 40 percent.
Friday night   Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph.
Saturday   Partly sunny. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.
Saturday night   Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 70 percent.
Sunday and sunday night   Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Lows in the mid 60s. Chance of rain 50 percent.
Monday and monday night   Mostly cloudy with a 50 percent chance of showers. Highs in the mid 70s. Lows around 60.
Tuesday   Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s.
Tuesday night and wednesday   Partly cloudy. Lows in the upper 50s. Highs in the mid 70s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Rain and Storms from the Dakotas to Ohio Tonight
Posted at 11:55AM Wed Sep 16, 2026 CDT
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