Sangamon County, IL Weather Forecast
County weather hub
Slight Chance Rain Showers
Compare major city weather across Sangamon County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of rain showers between 11am and 4pm. Partly sunny, with a high near 48. North northwest wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Sangamon County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 8 of 8 mapped cities in Sangamon County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Nov 12 to Nov 18, 2026
- Latest sync
- Nov 11, 2026 9:22 PM CST
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sangamon County
Wednesday looks like the warmest upcoming period in Sangamon County at 57 degrees F.
Friday Night is the coolest period ahead with temperatures near 24 degrees F.
The strongest winds are forecast for Thursday at about 10 to 17 mph NNW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 11, 2026 9:22 PM CST
- 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
Partly cloudy, with a low around 28. North northwest wind 8 to 13 mph, with gusts as high as 22 mph.
Mostly sunny, with a high near 44. North northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 24. North northwest wind 2 to 6 mph.
Sunny, with a high near 46. North northwest wind around 3 mph.
Mostly clear, with a low around 25. Wind around 0 mph.
Sunny, with a high near 50.
Mostly clear, with a low around 27.
Sunny, with a high near 50.
Mostly clear, with a low around 28.
Sunny, with a high near 52.
Mostly clear, with a low around 29.
Sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Nov 12
|
Slight Chance Rain Showers
|
48°F |
10 to 17 mph
NNW
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
28°F |
8 to 13 mph
NNW
|
|
Friday
Nov 13
|
Mostly Sunny
|
44°F |
7 to 13 mph
NNW
|
|
Friday Night
Nov 13
|
Mostly Clear
|
24°F |
2 to 6 mph
NNW
|
|
Saturday
Nov 14
|
Sunny
|
46°F |
3 mph
NNW
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
25°F |
0 mph
|
|
Sunday
Nov 15
|
Sunny
|
50°F |
2 mph
ENE
|
|
Sunday Night
Nov 15
|
Mostly Clear
|
27°F |
2 mph
ENE
|
|
Monday
Nov 16
|
Sunny
|
50°F |
2 mph
E
|
|
Monday Night
Nov 16
|
Mostly Clear
|
28°F |
2 mph
E
|
|
Tuesday
Nov 17
|
Sunny
|
52°F |
1 to 5 mph
ESE
|
|
Tuesday Night
Nov 17
|
Mostly Clear
|
29°F |
2 mph
SE
|
|
Wednesday
Nov 18
|
Sunny
|
57°F |
2 to 8 mph
SSE
|
Major City Forecasts
Live forecast snapshots for major cities across Sangamon County.
Coverage
Forecast coverage currently spans 8 of 8 mapped cities in Sangamon County.
Largest mapped city population in this region: 113,671.
