Forest Park, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Forest Park, IL in one place.
Partly sunny. High near 75, with temperatures falling to around 73 in the afternoon. East northeast wind around 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Forest Park, 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: May 30, 2026 4:04 PM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Forest Park, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 4:04 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Forest Park
Thursday looks like the warmest upcoming period in Forest Park at 87 degrees F.
Tonight is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for This Afternoon at about 15 mph ENE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 4:04 PM CDT
- Coverage
- 7 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 cloudy, with a low around 56. East wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly sunny. High near 77, with temperatures falling to around 75 in the afternoon. East southeast wind 5 to 10 mph.
Mostly cloudy, with a low around 58. Northeast wind 0 to 10 mph.
Partly sunny, with a high near 78. Northeast wind 0 to 10 mph.
Mostly clear, with a low around 57.
Sunny, with a high near 77.
Clear, with a low around 56.
Sunny, with a high near 83.
Mostly clear, with a low around 62.
Mostly sunny, with a high near 87.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 68.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Partly Sunny
|
75°F |
15 mph
ENE
|
|
Tonight
May 30
|
Mostly Cloudy
|
56°F |
5 to 15 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
77°F |
5 to 10 mph
ESE
|
|
Sunday Night
May 31
|
Mostly Cloudy
|
58°F |
0 to 10 mph
NE
|
|
Monday
Jun 1
|
Partly Sunny
|
78°F |
0 to 10 mph
NE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
57°F |
5 to 10 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
77°F |
5 to 15 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
56°F |
0 to 10 mph
NE
|
|
Wednesday
Jun 3
|
Sunny
|
83°F |
0 to 10 mph
E
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
62°F |
5 to 10 mph
SSE
|
|
Thursday
Jun 4
|
Mostly Sunny
|
87°F |
5 to 15 mph
SW
|
|
Thursday Night
Jun 4
|
Mostly Cloudy then Slight Chance Rain Showers
|
68°F |
10 to 15 mph
SW
|
|
Friday
Jun 5
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
87°F |
10 to 15 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
68°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Forest Park.