Sangamon County, IL Weather Forecast
County weather hub
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Compare major city weather across Sangamon County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Showers and thunderstorms likely before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 85. West northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
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
- Jul 10 to Jul 15, 2026
- Latest sync
- Jul 9, 2026 12:36 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Sangamon County
Wednesday looks like the warmest upcoming period in Sangamon County at 90 degrees F.
Sunday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Saturday at about 5 to 8 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 9, 2026 12:36 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
Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. North wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. Northeast wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 85.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 66.
Sunny, with a high near 87.
Mostly clear, with a low around 68.
Sunny, with a high near 89.
Mostly clear, with a low around 70.
Sunny, with a high near 90.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 10
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
85°F |
5 mph
WNW
|
|
Friday Night
Jul 10
|
Showers And Thunderstorms Likely
|
68°F |
3 mph
NE
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
85°F |
5 to 8 mph
N
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms
|
67°F |
3 to 7 mph
NE
|
|
Sunday
Jul 12
|
Mostly Sunny then Slight Chance Rain Showers
|
85°F |
5 to 8 mph
ENE
|
|
Sunday Night
Jul 12
|
Slight Chance Rain Showers then Mostly Clear
|
66°F |
2 to 7 mph
ENE
|
|
Monday
Jul 13
|
Sunny
|
87°F |
3 to 7 mph
NE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
68°F |
1 to 6 mph
E
|
|
Tuesday
Jul 14
|
Sunny
|
89°F |
5 mph
ENE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
3 mph
S
|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
6 mph
WNW
|
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.
