Cottage Hills, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cottage Hills, IL in one place.
Sunny, with a high near 98. West wind around 6 mph.
Local Weather Overview
This forecast page for Cottage Hills, 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 15, 2026 5:13 PM CDT.
The active forecast window currently covers Sep 17 to Sep 21, 2026 for Cottage Hills, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 5:13 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cottage Hills
Thursday looks like the warmest upcoming period in Cottage Hills at 98 degrees F.
Monday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Saturday at about 6 to 10 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 5:13 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
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 73.
Sunny, with a high near 97.
Mostly clear, with a low around 74.
Mostly sunny, with a high near 98.
A chance of rain showers after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
A chance of rain showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of rain showers before 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Sunny
|
98°F |
6 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
73°F |
3 mph
NE
|
|
Friday
Sep 18
|
Sunny
|
97°F |
5 mph
SE
|
|
Friday Night
Sep 18
|
Mostly Clear
|
74°F |
7 mph
S
|
|
Saturday
Sep 19
|
Mostly Sunny
|
98°F |
6 to 10 mph
SW
|
|
Saturday Night
Sep 19
|
Partly Cloudy then Chance Rain Showers
|
72°F |
6 mph
SW
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
93°F |
3 to 10 mph
NW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
67°F |
6 to 10 mph
N
|
|
Monday
Sep 21
|
Chance Rain Showers
|
84°F |
6 to 10 mph
NW
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
63°F |
5 to 10 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cottage Hills.