Area Conditions for La Harpe, IL
 
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Temperature: 87 oF
Feels Like: 95 oF
Humidity: 65%
Barometer: 29.83
Dew Point: 74 oF
Wind Dir.: SSW
Wind Speed: 10 mph
Sunrise: 5:32
Sunset: 8:35
Observation: Sunny
Radar
As reported at BURLINGTON, IA at 6:00 PM

5-day Forecast for La Harpe, IL
Date Wed
6/10
Thu
6/11
Fri
6/12
Sat
6/13
Sun
6/14
Weather Condition Thunder Storms Thunder Storms Rain Thunder Storms Thunder Storms
Weather Thunder Storms Thunder Storms Rain Thunder Storms Thunder Storms
Temperature (°F)
Low/High
74/88 67/80 59/82 63/84 63/78
Feels Like (°F)
Low/High
75/94 67/83 59/82 63/86 63/78
Dew Point (°F) 71 67 56 61 58
Humidity (%) 64 82 48 59 58
Wind Speed (mph) 16 12 8 10 9
Precipitation
Chance
(%)
48 62 20 60 80
Precipitation
Amount
(inches)
S=Snow, L=Liquid
Rain
0.35
Rain
0.61
Rain
0.04
Rain
0.34
Rain
0.56
Evapo-
transpiration

(inches/day)
0.26 0.15 0.27 0.23 0.2

County Forecast for La Harpe , IL
 
100300-
Hancock-
Including the city of Carthage
253 PM CDT Tue Jun 9 2026

..heat advisory remains in effect until 9 pm cdt this evening   
This afternoon   Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
Tonight   Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. South winds 5 to 10 mph. Heat index values up to 102 early in the evening.
Wednesday   Sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs around 90. Southwest winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. Chance of rain 40 percent.
Wednesday night   Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Humid with lows in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
Thursday   Mostly sunny. A chance of showers in the morning, then showers with thunderstorms likely in the afternoon. Hot with highs around 90. South winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. Chance of rain 90 percent.
Thursday night   Showers likely with a chance of thunderstorms in the evening, then mostly clear after midnight. Cooler with lows around 60. Chance of rain 70 percent.
Friday and friday night   Clear. Highs in the lower 80s. Lows in the lower 60s.
Saturday   Sunny. A chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 30 percent.
Saturday night   Mostly clear with a chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely after midnight. Lows in the mid 60s. Chance of rain 60 percent.
Sunday   Partly sunny with a chance of showers. Highs around 80. Chance of rain 50 percent.
Sunday night   Partly cloudy with a chance of showers in the evening, then mostly cloudy after midnight. Lows in the upper 50s. Chance of rain 30 percent.
Monday   Partly sunny. Highs in the upper 70s.

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
More Severe Storms Pushing Into Midwest Wednesday

Low-pressure system threatens severe storms from Manitoba to Texas, with all hazards possible Tuesday–Wednesday. » More DTN Weather Commentary

Posted at 12:14PM Tue Jun 9, 2026 CDT
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