Oak Grove, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Oak Grove, IL in one place.
Sunny, with a high near 77. South southeast wind 0 to 10 mph.
Local Weather Overview
This forecast page for Oak Grove, 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: Jun 2, 2026 1:48 AM CDT.
The active forecast window currently covers Jun 3 to Jun 8, 2026 for Oak Grove, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 1:48 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Oak Grove
Thursday looks like the warmest upcoming period in Oak Grove at 85 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 1:48 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 58. South southeast wind 5 to 10 mph.
Mostly sunny, with a high near 85.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 67.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
77°F |
0 to 10 mph
SSE
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
58°F |
5 to 10 mph
SSE
|
|
Thursday
Jun 4
|
Mostly Sunny
|
85°F |
5 to 15 mph
SSW
|
|
Thursday Night
Jun 4
|
Mostly Cloudy then Slight Chance Rain Showers
|
67°F |
5 to 10 mph
SW
|
|
Friday
Jun 5
|
Chance Rain Showers
|
84°F |
5 to 10 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
SW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
81°F |
5 to 10 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
64°F |
5 mph
WNW
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
81°F |
5 to 10 mph
NE
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
65°F |
5 mph
E
|
|
Monday
Jun 8
|
Chance Rain Showers
|
82°F |
5 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Oak Grove.