Clinton, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Clinton, IL in one place.
Sunny, with a high near 90. West northwest wind around 3 mph.
Local Weather Overview
This forecast page for Clinton, 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: Jul 14, 2026 7:57 PM CDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Clinton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:57 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Clinton
Wednesday looks like the warmest upcoming period in Clinton at 90 degrees F.
Monday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Saturday at about 9 to 15 mph WSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 7:57 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
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 71. South wind around 3 mph.
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Sunny, with a high near 90. South southeast wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely after 7am. Mostly sunny, with a high near 88. Southwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 71. Chance of precipitation is 70%.
Mostly sunny, with a high near 89.
Mostly clear, with a low around 71.
Sunny, with a high near 88.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
A slight chance of rain showers before 1am. Partly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
3 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
3 mph
S
|
|
Thursday
Jul 16
|
Sunny then Chance Showers And Thunderstorms
|
90°F |
2 to 6 mph
SSE
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
72°F |
5 mph
S
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
88°F |
5 to 9 mph
SW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely
|
71°F |
6 to 9 mph
SW
|
|
Saturday
Jul 18
|
Mostly Sunny
|
89°F |
9 to 15 mph
WSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
71°F |
8 to 13 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
88°F |
10 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
70°F |
9 mph
SSW
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
88°F |
9 to 15 mph
SW
|
|
Monday Night
Jul 20
|
Slight Chance Rain Showers
|
69°F |
8 to 13 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Clinton.
