Grandwood Park, IL Weather Forecast
Local 7-day forecast
Mostly Sunny then Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Grandwood Park, IL in one place.
Showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rain. Mostly sunny. High near 89, with temperatures falling to around 80 in the afternoon. Heat index values as high as 98. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Grandwood 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: Jun 10, 2026 12:35 PM CDT.
The active forecast window currently covers Jun 10 to Jun 16, 2026 for Grandwood Park, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 16, 2026
- Latest sync
- Jun 10, 2026 12:35 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Grandwood Park
Today looks like the warmest upcoming period in Grandwood Park at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Thursday at about 10 to 20 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 10, 2026 12:35 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 3am. Mostly cloudy, with a low around 70. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 59. West southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Sunny, with a high near 77. West wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 63.
Mostly sunny, with a high near 82.
Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 59.
Rain showers likely before 1pm. Mostly sunny, with a high near 73.
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 54.
A slight chance of rain showers. Partly sunny, with a high near 72.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 74.
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jun 10
|
Mostly Sunny then Showers And Thunderstorms Likely
|
89°F |
10 to 15 mph
SW
|
|
Tonight
Jun 10
|
Showers And Thunderstorms Likely
|
70°F |
10 to 15 mph
SW
|
|
Thursday
Jun 11
|
Partly Sunny then Showers And Thunderstorms
|
84°F |
10 to 20 mph
S
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms
|
59°F |
10 to 20 mph
WSW
|
|
Friday
Jun 12
|
Sunny
|
77°F |
10 to 15 mph
W
|
|
Friday Night
Jun 12
|
Mostly Clear
|
63°F |
5 to 15 mph
WSW
|
|
Saturday
Jun 13
|
Mostly Sunny
|
82°F |
10 to 15 mph
SW
|
|
Saturday Night
Jun 13
|
Showers And Thunderstorms Likely
|
59°F |
5 to 15 mph
W
|
|
Sunday
Jun 14
|
Rain Showers Likely
|
73°F |
5 to 10 mph
NNW
|
|
Sunday Night
Jun 14
|
Slight Chance Rain Showers
|
54°F |
0 to 10 mph
NNW
|
|
Monday
Jun 15
|
Slight Chance Rain Showers
|
72°F |
5 to 10 mph
N
|
|
Monday Night
Jun 15
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
55°F |
0 to 5 mph
WNW
|
|
Tuesday
Jun 16
|
Slight Chance Showers And Thunderstorms
|
74°F |
0 to 10 mph
WSW
|
|
Tuesday Night
Jun 16
|
Chance Showers And Thunderstorms
|
55°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grandwood Park.