Countryside, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Countryside, IL in one place.
Mostly sunny, with a high near 80. South wind 5 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Countryside, 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: Apr 21, 2026 8:17 AM CDT.
The active forecast window currently covers Apr 23 to Apr 27, 2026 for Countryside, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 8:17 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Countryside
Thursday looks like the warmest upcoming period in Countryside at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 8:17 AM CDT
- Coverage
- 5 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
A slight chance of rain showers between 7pm and 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 74.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 50.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 66.
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Mostly Sunny
|
80°F |
5 to 15 mph
S
|
|
Thursday Night
Apr 23
|
Slight Chance Showers And Thunderstorms
|
61°F |
15 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms Likely
|
74°F |
10 to 15 mph
SW
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms Likely
|
50°F |
10 mph
NW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
64°F |
10 mph
NNE
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
46°F |
5 to 10 mph
NE
|
|
Sunday
Apr 26
|
Mostly Sunny
|
66°F |
5 to 10 mph
NE
|
|
Sunday Night
Apr 26
|
Chance Showers And Thunderstorms
|
50°F |
10 mph
ENE
|
|
Monday
Apr 27
|
Chance Showers And Thunderstorms
|
68°F |
10 to 15 mph
E
|
|
Monday Night
Apr 27
|
Chance Showers And Thunderstorms
|
52°F |
10 to 15 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Countryside.
