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 80. East wind around 10 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: Jun 27, 2026 1:21 AM CDT.
The active forecast window currently covers Jun 27 to Jul 3, 2026 for Clarion, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 27 to Jul 3, 2026
- Latest sync
- Jun 27, 2026 1:21 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Clarion
Wednesday looks like the warmest upcoming period in Clarion at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph SE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 27, 2026 1:21 AM CDT
- Coverage
- 7 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
A slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 63. East wind 5 to 10 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 87. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Partly cloudy, with a low around 74.
Mostly sunny, with a high near 92.
Partly cloudy, with a low around 76.
Sunny, with a high near 93.
Mostly clear, with a low around 75.
Sunny, with a high near 94.
Mostly clear, with a low around 75.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jun 27
|
Mostly Sunny
|
80°F |
10 mph
E
|
|
Saturday Night
Jun 27
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
E
|
|
Sunday
Jun 28
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
87°F |
10 to 15 mph
SE
|
|
Sunday Night
Jun 28
|
Partly Cloudy
|
74°F |
10 to 15 mph
S
|
|
Monday
Jun 29
|
Mostly Sunny
|
92°F |
10 to 15 mph
S
|
|
Monday Night
Jun 29
|
Partly Cloudy
|
76°F |
10 to 15 mph
S
|
|
Tuesday
Jun 30
|
Sunny
|
93°F |
10 to 15 mph
SW
|
|
Tuesday Night
Jun 30
|
Mostly Clear
|
75°F |
5 to 15 mph
SW
|
|
Wednesday
Jul 1
|
Sunny
|
94°F |
5 to 10 mph
SW
|
|
Wednesday Night
Jul 1
|
Mostly Clear
|
75°F |
5 to 10 mph
SW
|
|
Thursday
Jul 2
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
5 to 10 mph
SW
|
|
Thursday Night
Jul 2
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
74°F |
5 to 10 mph
SW
|
|
Friday
Jul 3
|
Chance Showers And Thunderstorms
|
91°F |
5 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Clarion.