Olney, IL Weather Forecast

Local 7-day forecast

81°
F

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Olney, IL in one place.

Wednesday, April 15, 2026
Wind: 14 to 18 mph SSW
Wednesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 81.

Local 7-day forecast

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
Next High
81°F
Wednesday
Next Low
60°F
Wednesday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
14 to 18 mph
Wednesday

Daily Outlook

Today
Apr 15
Chance Showers And Thunderstorms
81 °F
/ 60°F
Wind 14 to 18 mph

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 source

Extended Forecast

Wednesday Night
Apr 15
60°F
Chance Showers And Thunderstorms
8 to 13 mph SW

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.

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.