Crestwood, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Crestwood, IL in one place.
Showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Some of the storms could produce heavy rain. Cloudy. High near 77, with temperatures falling to around 74 in the afternoon. West northwest wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Local Weather Overview
This forecast page for Crestwood, 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: Sep 17, 2026 1:53 AM CDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Crestwood, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 1:53 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Crestwood
Saturday looks like the warmest upcoming period in Crestwood at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Friday at about 5 to 10 mph ENE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 1:53 AM 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 66. Northeast wind around 5 mph, with gusts as high as 10 mph.
Partly sunny, with a high near 77. East northeast wind 5 to 10 mph.
Scattered showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 67.
Showers and thunderstorms likely. Mostly cloudy, with a high near 73.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 72.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
A chance of rain showers. Mostly cloudy, with a high near 70.
A chance of rain showers. Mostly cloudy, with a low around 59.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
77°F |
0 to 5 mph
WNW
|
|
Thursday Night
Sep 17
|
Mostly Cloudy
|
66°F |
5 mph
NE
|
|
Friday
Sep 18
|
Partly Sunny
|
77°F |
5 to 10 mph
ENE
|
|
Friday Night
Sep 18
|
Mostly Cloudy then Scattered Showers And Thunderstorms
|
65°F |
10 mph
SE
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms
|
84°F |
10 mph
SSW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
67°F |
5 to 10 mph
WNW
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
73°F |
10 mph
NNE
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
61°F |
10 mph
ENE
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
72°F |
10 mph
ENE
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
59°F |
10 mph
ENE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
70°F |
10 mph
NE
|
|
Tuesday Night
Sep 22
|
Chance Rain Showers
|
59°F |
5 to 10 mph
NE
|
|
Wednesday
Sep 23
|
Slight Chance Rain Showers
|
74°F |
5 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Crestwood.