Henry County, IL Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Henry County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 66.
County Weather Overview
This county weather page brings together forecast coverage for Henry County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Henry County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 20 to May 23, 2026
- Latest sync
- May 17, 2026 2:21 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Henry County
Saturday looks like the warmest upcoming period in Henry County at 79 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Wednesday at about 10 mph N.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 17, 2026 2:21 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 46.
Mostly sunny, with a high near 68.
Mostly cloudy, with a low around 49.
Partly sunny, with a high near 73.
A slight chance of rain showers between 7pm and 1am. Mostly cloudy, with a low around 53.
Partly sunny, with a high near 79.
Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 20
|
Mostly Sunny
|
66°F |
10 mph
N
|
|
Wednesday Night
May 20
|
Mostly Cloudy
|
46°F |
5 to 10 mph
NE
|
|
Thursday
May 21
|
Mostly Sunny
|
68°F |
5 to 10 mph
E
|
|
Thursday Night
May 21
|
Mostly Cloudy
|
49°F |
10 mph
E
|
|
Friday
May 22
|
Partly Sunny
|
73°F |
10 mph
E
|
|
Friday Night
May 22
|
Slight Chance Rain Showers
|
53°F |
5 to 10 mph
E
|
|
Saturday
May 23
|
Partly Sunny
|
79°F |
5 to 10 mph
SE
|
|
Saturday Night
May 23
|
Mostly Cloudy
|
57°F |
5 to 10 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Henry County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Henry County.
Largest mapped city population in this region: 12,174.