Weather World
Osco, IL 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Osco, IL Weather Forecast
Osco, IL Weather Forecast Date: 306 AM CDT Sat Sep 05 2026
The area/counties/county of: Henry County Il, including the city of Geneseo.or toggle through each period.
Today... Mostly sunny. Hot with highs around 90. Southwest winds around 5 mph, becoming north. Heat index values up to 100.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph.
Sunday... Mostly sunny. Humid with highs in the lower 80s. East winds 5 to 10 mph.
Sunday Night... Partly cloudy. Lows in the lower 60s. East winds 5 to 10 mph.
Labor Day... Sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.
Monday Night... Partly cloudy. Hot. Lows in the mid 60s. Highs around 90.
Tuesday... Partly cloudy. Hot. Lows in the mid 60s. Highs around 90.
Tuesday Night... Partly cloudy. Lows in the mid 70s. Highs in the upper 80s.
Wednesday... Partly cloudy. Lows in the mid 70s. Highs in the upper 80s.
Wednesday Night... Partly cloudy. Lows in the lower 60s. Highs in the mid 80s.
Thursday... Partly cloudy. Lows in the lower 60s. Highs in the mid 80s.
POP = Probability of Precipitation
Osco Radar Loop
Use the map search tool if you want to place a location marker on the radar map...