Sangamon County, IL Weather Forecast
County weather hub
Sunny
Compare major city weather across Sangamon County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 80. North northwest wind 2 to 7 mph.
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
- Oct 8 to Oct 13, 2026
- Latest sync
- Oct 7, 2026 4:21 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sangamon County
Saturday looks like the warmest upcoming period in Sangamon County at 87 degrees F.
Thursday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Friday at about 3 to 12 mph SE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 7, 2026 4:21 AM CDT
- Coverage
- 6 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 53. East northeast wind around 5 mph.
Sunny, with a high near 85. Southeast wind 3 to 12 mph, with gusts as high as 17 mph.
Clear, with a low around 60. South wind around 9 mph.
Sunny, with a high near 87.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 61.
A slight chance of rain showers before 1pm. Partly sunny, with a high near 80.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 83.
A slight chance of rain showers after 1am. Mostly clear, with a low around 60.
A slight chance of rain showers. Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 8
|
Sunny
|
80°F |
2 to 7 mph
NNW
|
|
Thursday Night
Oct 8
|
Mostly Clear
|
53°F |
5 mph
ENE
|
|
Friday
Oct 9
|
Sunny
|
85°F |
3 to 12 mph
SE
|
|
Friday Night
Oct 9
|
Clear
|
60°F |
9 mph
S
|
|
Saturday
Oct 10
|
Sunny
|
87°F |
6 to 10 mph
S
|
|
Saturday Night
Oct 10
|
Partly Cloudy then Slight Chance Rain Showers
|
61°F |
5 to 9 mph
SE
|
|
Sunday
Oct 11
|
Slight Chance Rain Showers
|
80°F |
5 to 8 mph
ENE
|
|
Sunday Night
Oct 11
|
Partly Cloudy
|
58°F |
2 to 6 mph
SSE
|
|
Columbus Day
Oct 12
|
Mostly Sunny
|
83°F |
2 to 8 mph
SW
|
|
Monday Night
Oct 12
|
Mostly Clear then Slight Chance Rain Showers
|
60°F |
8 mph
SSW
|
|
Tuesday
Oct 13
|
Slight Chance Rain Showers
|
79°F |
8 to 12 mph
WSW
|
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.
