Weather in La Harpe, IL
Updated 2026-09-26 11:00 local time · ZIP codes 61450
Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
60°17% rain
59°16% rain61°15% rain65°14% rain67°11% rain67°9% rain66°12% rain64°13% rain
63°16% rain
62°11% rain
61°8% rain60°12% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 17%).
It feels like 55°F with winds near 7 mph.
67°F, 9% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 16 mph.
Current temperature is 60°F, wind 7 mph, rain chance up to 17%.
UV index is 1.
Local weather characteristics in La Harpe
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
La Harpe is part of the Midwest weather region. The forecast point is near 40.58°N latitude and 90.97°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
La Harpe weather today
Patchy rain nearby and 60°F in La Harpe, IL. Today's high is 67°F with a 26% rain chance. Winds are around 7 mph with gusts near 12 mph. Relative humidity is 60%, pressure is 30.16 inHg, and visibility is about 6 miles.
Tonight and tomorrow in La Harpe
Sunrise is at 06:55 AM and sunset is at 06:54 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 72°F and a low near 59°F. The maximum rain chance is 17%.