De Witt County, IL Weather Forecast
County weather hub
Patchy Fog then Sunny
Compare major city weather across De Witt County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog before 8am. Sunny, with a high near 92. West northwest wind 1 to 5 mph.
County Weather Overview
This county weather page brings together forecast coverage for De Witt County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in De Witt County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 15 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 4:37 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in De Witt County
Wednesday looks like the warmest upcoming period in De Witt County at 92 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 10 to 16 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 4:37 PM CDT
- Coverage
- 5 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. Southwest wind around 5 mph.
Sunny, with a high near 91. West southwest wind 5 to 8 mph.
Mostly clear, with a low around 71.
A chance of showers and thunderstorms after 7am. Sunny, with a high near 90. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 90.
A chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70.
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 87.
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Patchy Fog then Sunny
|
92°F |
1 to 5 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
71°F |
5 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
91°F |
5 to 8 mph
WSW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
71°F |
5 to 8 mph
SSW
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
90°F |
7 to 13 mph
SW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
8 to 12 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Chance Showers And Thunderstorms
|
90°F |
10 to 16 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
70°F |
9 to 14 mph
WNW
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms
|
87°F |
10 to 15 mph
NNE
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
66°F |
8 to 14 mph
ESE
|
Major City Forecasts
Live forecast snapshots for major cities across De Witt County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in De Witt County.
Largest mapped city population in this region: 6,733.
