Clarion, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Clarion, IL in one place.
Mostly sunny, with a high near 76. South wind around 5 mph.
Local Weather Overview
This forecast page for Clarion, 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 9:41 AM CDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Clarion, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 9:41 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Clarion
Thursday looks like the warmest upcoming period in Clarion 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 10 to 20 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 9:41 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 57. South wind 5 to 10 mph.
Mostly sunny, with a high near 80.
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 48. Chance of precipitation is 50%.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 46.
Partly sunny, with a high near 68.
A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Mostly Sunny
|
76°F |
5 mph
S
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
57°F |
5 to 10 mph
S
|
|
Thursday
Apr 23
|
Mostly Sunny
|
80°F |
10 to 20 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms
|
60°F |
15 to 20 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms Likely
|
73°F |
15 mph
SW
|
|
Friday Night
Apr 24
|
Chance Showers And Thunderstorms
|
48°F |
10 to 15 mph
NW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
67°F |
10 to 15 mph
N
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
46°F |
10 mph
NE
|
|
Sunday
Apr 26
|
Partly Sunny
|
68°F |
10 to 15 mph
E
|
|
Sunday Night
Apr 26
|
Chance Rain Showers
|
50°F |
10 mph
E
|
|
Monday
Apr 27
|
Chance Showers And Thunderstorms
|
68°F |
15 mph
E
|
|
Monday Night
Apr 27
|
Chance Showers And Thunderstorms
|
49°F |
10 to 15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Clarion.