Clinton, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Clinton, IL in one place.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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: Apr 15, 2026 7:51 AM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Clinton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 7:51 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Clinton
Friday looks like the warmest upcoming period in Clinton at 83 degrees F.
Sunday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Saturday at about 17 to 22 mph WSW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 7:51 AM CDT
- Coverage
- 7 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
Showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers and thunderstorms likely between 11am and noon, then a chance of showers and thunderstorms between noon and 5pm, then showers and thunderstorms likely. Cloudy, with a high near 78. Southwest wind 12 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 61. South southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 77. West southwest wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 7pm. Mostly clear, with a low around 55. Southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. South wind 6 to 18 mph, with gusts as high as 25 mph.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 52. South wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms. Partly sunny, with a high near 65. Chance of precipitation is 80%.
A chance of rain showers before 1am. Partly cloudy, with a low around 37. Chance of precipitation is 40%.
Sunny, with a high near 56.
Mostly clear, with a low around 36.
Sunny, with a high near 65.
Mostly clear, with a low around 48.
Mostly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Chance Showers And Thunderstorms
|
66°F |
13 mph
SW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
78°F |
12 to 16 mph
SW
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms Likely
|
61°F |
14 mph
SSW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
77°F |
13 to 16 mph
WSW
|
|
Thursday Night
Apr 16
|
Chance Rain Showers then Mostly Clear
|
55°F |
6 to 10 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
6 to 18 mph
S
|
|
Friday Night
Apr 17
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
52°F |
17 mph
S
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
65°F |
17 to 22 mph
WSW
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
37°F |
13 to 18 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
56°F |
14 to 18 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
36°F |
8 to 14 mph
W
|
|
Monday
Apr 20
|
Sunny
|
65°F |
8 to 14 mph
SSW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
48°F |
13 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
74°F |
14 to 18 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Clinton.
