Des Plaines, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Des Plaines, IL in one place.
Mostly sunny. High near 77, with temperatures falling to around 75 in the afternoon. Northwest wind 0 to 5 mph.
Local Weather Overview
This forecast page for Des Plaines, 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: Aug 23, 2026 6:29 PM CDT.
The active forecast window currently covers Aug 24 to Aug 29, 2026 for Des Plaines, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 24 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 6:29 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Des Plaines
Wednesday looks like the warmest upcoming period in Des Plaines at 84 degrees F.
Monday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 15 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 6:29 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
Mostly clear, with a low around 58. Southeast wind 0 to 5 mph.
Sunny, with a high near 81. South southwest wind 0 to 5 mph.
Partly cloudy, with a low around 66.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 84.
A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65.
Sunny, with a high near 82.
Mostly clear, with a low around 64.
Sunny, with a high near 81.
Partly cloudy, with a low around 64.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 81.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 24
|
Mostly Sunny
|
77°F |
0 to 5 mph
NW
|
|
Monday Night
Aug 24
|
Mostly Clear
|
58°F |
0 to 5 mph
SE
|
|
Tuesday
Aug 25
|
Sunny
|
81°F |
0 to 5 mph
SSW
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
66°F |
5 to 10 mph
S
|
|
Wednesday
Aug 26
|
Chance Showers And Thunderstorms
|
84°F |
10 to 15 mph
SW
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
W
|
|
Thursday
Aug 27
|
Sunny
|
82°F |
5 mph
NW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
64°F |
0 to 5 mph
NW
|
|
Friday
Aug 28
|
Sunny
|
81°F |
0 to 5 mph
NNE
|
|
Friday Night
Aug 28
|
Partly Cloudy
|
64°F |
0 to 5 mph
ESE
|
|
Saturday
Aug 29
|
Mostly Sunny then Slight Chance Rain Showers
|
81°F |
0 to 5 mph
SSE
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
67°F |
5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Des Plaines.
