Oak Forest, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Oak Forest, IL in one place.
Sunny. High near 97, with temperatures falling to around 95 in the afternoon. Heat index values as high as 104. West wind 5 to 10 mph.
Local Weather Overview
This forecast page for Oak Forest, 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: Jul 14, 2026 3:24 PM CDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Oak Forest, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 3:24 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Oak Forest
Wednesday looks like the warmest upcoming period in Oak Forest at 97 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph WSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 3:24 PM 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
Mostly clear, with a low around 74. Heat index values as high as 101. West northwest wind around 5 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. West wind around 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Showers and thunderstorms likely after 7am. Mostly sunny, with a high near 92.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72.
A chance of showers and thunderstorms. Mostly sunny, with a high near 91.
A chance of showers and thunderstorms. Partly cloudy, with a low around 71.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
97°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
74°F |
5 mph
WNW
|
|
Thursday
Jul 16
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
5 mph
W
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
0 to 5 mph
ENE
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
92°F |
0 to 5 mph
SW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
72°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
91°F |
5 to 15 mph
WSW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
71°F |
10 mph
W
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms
|
86°F |
10 to 15 mph
N
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 to 15 mph
NW
|
|
Monday
Jul 20
|
Slight Chance Rain Showers
|
86°F |
5 to 15 mph
WNW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
66°F |
5 to 10 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Oak Forest.