Olney, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Olney, IL in one place.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Local Weather Overview
This forecast page for Olney, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 9, 2026 5:38 PM CDT.
The active forecast window currently covers Apr 15, 2026 for Olney, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15, 2026
- Latest sync
- Apr 9, 2026 5:38 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Olney
Wednesday looks like the warmest upcoming period in Olney at 81 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Wednesday at about 14 to 18 mph SSW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 5:38 PM CDT
- Coverage
- 1 day
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
81°F |
14 to 18 mph
SSW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
60°F |
8 to 13 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Olney.
Nearby forecast pages are not available for this location yet.