Stone Park, IL Weather Forecast

Local 7-day forecast

90°
F

Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Stone Park, IL in one place.

Saturday, July 18, 2026
Wind: 10 to 15 mph WNW
Saturday

A slight chance of showers and thunderstorms between 11am and 3pm. Mostly sunny, with a high near 90. Heat index values as high as 99. West northwest wind 10 to 15 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Stone 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: Jul 17, 2026 7:06 AM CDT.

The active forecast window currently covers Jul 18 to Jul 23, 2026 for Stone Park, IL.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 17, 2026 7:06 AM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
90°F
Saturday
Next Low
68°F
Saturday Night
Rain Outlook
4
Periods mentioning precipitation
Windiest
10 to 15 mph
Saturday

Daily Outlook

Today
Jul 18
Slight Chance Showers And Thunderstorms
90 °F
/ 68°F
Wind 10 to 15 mph
Sun
Jul 19
Sunny
84 °F
/ 68°F
Wind 5 mph
Mon
Jul 20
Partly Sunny then Slight Chance Showers And Thunderstorms
87 °F
/ 72°F
Wind 5 to 15 mph
Tue
Jul 21
Chance Showers And Thunderstorms then Mostly Sunny
86 °F
/ 65°F
Wind 10 to 15 mph
Wed
Jul 22
Sunny
80 °F
/ 62°F
Wind 10 mph
Thu
Jul 23
Sunny
81 °F
Wind 5 to 10 mph

This Week in Stone Park

Saturday looks like the warmest upcoming period in Stone Park at 90 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 62 degrees F.

The strongest winds are forecast for Saturday at about 10 to 15 mph WNW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 7:06 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 source

Extended Forecast

Saturday Night
Jul 18
68°F
Mostly Clear
5 to 10 mph NE

Mostly clear, with a low around 68. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday
Jul 19
84°F
Sunny
5 mph NE

Sunny, with a high near 84.

Sunday Night
Jul 19
68°F
Partly Cloudy
5 mph SE

Partly cloudy, with a low around 68.

Monday
Jul 20
87°F
Partly Sunny then Slight Chance Showers And Thunderstorms
5 to 15 mph SSW

A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.

Monday Night
Jul 20
72°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
10 to 15 mph WSW

A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Tuesday
Jul 21
86°F
Chance Showers And Thunderstorms then Mostly Sunny
10 to 15 mph WNW

A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86.

Tuesday Night
Jul 21
65°F
Mostly Clear
10 to 15 mph NNW

Mostly clear, with a low around 65.

Wednesday
Jul 22
80°F
Sunny
10 mph N

Sunny, with a high near 80.

Wednesday Night
Jul 22
62°F
Mostly Clear
0 to 10 mph N

Mostly clear, with a low around 62.

Thursday
Jul 23
81°F
Sunny
5 to 10 mph W

Sunny, with a high near 81.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Slight Chance Showers And Thunderstorms
90°F
10 to 15 mph
WNW
Saturday Night
Jul 18
Mostly Clear
68°F
5 to 10 mph
NE
Sunday
Jul 19
Sunny
84°F
5 mph
NE
Sunday Night
Jul 19
Partly Cloudy
68°F
5 mph
SE
Monday
Jul 20
Partly Sunny then Slight Chance Showers And Thunderstorms
87°F
5 to 15 mph
SSW
Monday Night
Jul 20
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
72°F
10 to 15 mph
WSW
Tuesday
Jul 21
Chance Showers And Thunderstorms then Mostly Sunny
86°F
10 to 15 mph
WNW
Tuesday Night
Jul 21
Mostly Clear
65°F
10 to 15 mph
NNW
Wednesday
Jul 22
Sunny
80°F
10 mph
N
Wednesday Night
Jul 22
Mostly Clear
62°F
0 to 10 mph
N
Thursday
Jul 23
Sunny
81°F
5 to 10 mph
W
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.