Weather in Neponset, IL
Updated 2026-09-26 09:00 local time · ZIP codes 61345
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
55°20% rain57°16% rain60°14% rain61°14% rain62°14% rain62°15% rain64°13% rain
65°8% rain65°12% rain65°15% rain
63°14% rain61°17% 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 20%).
It feels like 51°F with winds near 8 mph.
65°F, 8% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 55°F, wind 8 mph, rain chance up to 20%.
UV index is 1.
Local weather characteristics in Neponset
Illinois has four distinct seasons with hot, humid summers, cold winters, strong frontal changes and frequent spring and summer thunderstorms.
Neponset is part of the Midwest weather region. The forecast point is near 41.30°N latitude and 89.79°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.
Neponset weather today
Overcast and 55°F in Neponset, IL. Today's high is 65°F with a 15% rain chance. Winds are around 8 mph with gusts near 14 mph. Relative humidity is 73%, pressure is 30.19 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Neponset
Sunrise is at 06:50 AM and sunset is at 06:50 PM. Tomorrow's forecast calls for Sunny with a high near 70°F and a low near 55°F. The maximum rain chance is 7%.