Oconee, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Oconee, IL in one place.
Sunny, with a high near 78. South wind 6 to 16 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Oconee, 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 21, 2026 10:14 PM CDT.
The active forecast window currently covers Apr 23 to Apr 28, 2026 for Oconee, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 28, 2026
- Latest sync
- Apr 21, 2026 10:14 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Oconee
Thursday looks like the warmest upcoming period in Oconee at 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Thursday at about 6 to 16 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 10:14 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
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 after 1am. Partly cloudy, with a low around 60. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 74. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Northwest wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 73.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 74.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Showers and thunderstorms likely. Partly sunny, with a high near 74.
Showers and thunderstorms likely. Mostly cloudy, with a low around 50.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Sunny
|
78°F |
6 to 16 mph
S
|
|
Thursday Night
Apr 23
|
Partly Cloudy then Chance Showers And Thunderstorms
|
60°F |
14 mph
S
|
|
Friday
Apr 24
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
74°F |
9 to 13 mph
SW
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
53°F |
3 to 7 mph
NW
|
|
Saturday
Apr 25
|
Slight Chance Rain Showers then Mostly Sunny
|
73°F |
8 mph
N
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
50°F |
6 mph
NE
|
|
Sunday
Apr 26
|
Mostly Sunny
|
74°F |
7 to 10 mph
E
|
|
Sunday Night
Apr 26
|
Slight Chance Showers And Thunderstorms
|
55°F |
8 to 15 mph
ESE
|
|
Monday
Apr 27
|
Showers And Thunderstorms Likely
|
74°F |
16 mph
SSE
|
|
Monday Night
Apr 27
|
Showers And Thunderstorms Likely
|
50°F |
10 to 14 mph
SW
|
|
Tuesday
Apr 28
|
Slight Chance Rain Showers then Mostly Sunny
|
67°F |
13 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Oconee.