Deer Park, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Deer Park, IL in one place.
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Deer 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: Apr 13, 2026 1:15 PM CDT.
The active forecast window currently covers Apr 14 to Apr 19, 2026 for Deer Park, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 14 to Apr 19, 2026
- Latest sync
- Apr 13, 2026 1:15 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Deer Park
Tuesday looks like the warmest upcoming period in Deer Park at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph WSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 1:15 PM 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 sourceExtended Forecast
Showers and thunderstorms before 10pm, then showers and thunderstorms between 10pm and 1am, then showers and thunderstorms likely between 1am and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Cloudy, with a high near 71. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 90%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 73.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 53.
A slight chance of rain showers after 1pm. Partly sunny, with a high near 80.
A slight chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 54.
Showers and thunderstorms. Partly sunny, with a high near 65.
A chance of showers and thunderstorms before 4am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 37.
A slight chance of rain and snow showers before 7am. Mostly sunny, with a high near 55.
Mostly clear, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
80°F |
15 mph
SW
|
|
Tuesday Night
Apr 14
|
Showers And Thunderstorms
|
60°F |
10 to 15 mph
SW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms
|
71°F |
10 to 15 mph
SSW
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms
|
58°F |
10 to 15 mph
SSW
|
|
Thursday
Apr 16
|
Showers And Thunderstorms Likely
|
73°F |
10 to 15 mph
WSW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
53°F |
5 to 10 mph
W
|
|
Friday
Apr 17
|
Partly Sunny then Slight Chance Rain Showers
|
80°F |
5 to 15 mph
SSE
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
54°F |
15 mph
SSW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
65°F |
15 to 20 mph
WSW
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms then Slight Chance Rain And Snow Showers
|
37°F |
10 to 15 mph
WNW
|
|
Sunday
Apr 19
|
Slight Chance Rain And Snow Showers then Mostly Sunny
|
55°F |
10 to 15 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
38°F |
5 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Deer Park.