De Witt County, IL Weather Forecast
County weather hub
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.
Sunny, with a high near 90. West southwest wind around 12 mph, with gusts as high as 16 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
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 4:47 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in De Witt County
This Afternoon looks like the warmest upcoming period in De Witt County at 90 degrees F.
Friday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 23 to 28 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 4:47 PM 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
A chance of showers and thunderstorms between midnight and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. West northwest wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 5pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 76. North northeast wind 5 to 12 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Northeast wind 10 to 14 mph, with gusts as high as 17 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 76. South southeast wind around 12 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 47. West wind 13 to 23 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Mostly sunny, with a high near 59. Northwest wind 23 to 28 mph, with gusts as high as 35 mph.
Areas of frost after 5am. Mostly clear, with a low around 34.
Areas of frost before 8am. Sunny, with a high near 61.
Clear, with a low around 38.
Sunny, with a high near 68.
Partly cloudy, with a low around 45.
Partly sunny, with a high near 70.
Mostly cloudy, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Sunny
|
90°F |
12 mph
WSW
|
|
Tonight
Oct 13
|
Partly Cloudy then Chance Showers And Thunderstorms
|
68°F |
5 to 8 mph
WNW
|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms
|
76°F |
5 to 12 mph
NNE
|
|
Wednesday Night
Oct 14
|
Chance Showers And Thunderstorms
|
60°F |
10 to 14 mph
NE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
76°F |
12 mph
SSE
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
47°F |
13 to 23 mph
W
|
|
Friday
Oct 16
|
Mostly Sunny
|
59°F |
23 to 28 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Areas Of Frost
|
34°F |
5 to 20 mph
N
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
61°F |
6 mph
E
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
8 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
9 to 14 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
45°F |
12 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
70°F |
10 mph
SSW
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
48°F |
3 to 7 mph
S
|
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.
