Effingham County, IL Weather Forecast
County weather hub
Slight Chance Showers And Thunderstorms
Compare major city weather across Effingham County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 2 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Effingham County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Effingham County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 6:06 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Effingham County
Wednesday looks like the warmest upcoming period in Effingham County at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Sunday at about 3 to 7 mph NE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 6:06 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 2am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southwest wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Northwest wind around 5 mph. Chance of precipitation is 40%. 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 around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 84. Northeast wind 3 to 7 mph.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 65. Northeast wind 2 to 6 mph.
Sunny, with a high near 86.
Mostly clear, with a low around 67.
Sunny, with a high near 88.
Mostly clear, with a low around 69.
Sunny, with a high near 89.
Mostly clear, with a low around 70.
Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 10
|
Slight Chance Showers And Thunderstorms
|
69°F |
2 mph
S
|
|
Friday
Jul 10
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
5 mph
SW
|
|
Friday Night
Jul 10
|
Chance Showers And Thunderstorms
|
68°F |
3 mph
SSW
|
|
Saturday
Jul 11
|
Chance Showers And Thunderstorms
|
84°F |
5 mph
NW
|
|
Saturday Night
Jul 11
|
Chance Showers And Thunderstorms
|
67°F |
5 mph
NE
|
|
Sunday
Jul 12
|
Mostly Sunny then Slight Chance Rain Showers
|
84°F |
3 to 7 mph
NE
|
|
Sunday Night
Jul 12
|
Slight Chance Rain Showers then Mostly Clear
|
65°F |
2 to 6 mph
NE
|
|
Monday
Jul 13
|
Sunny
|
86°F |
3 to 7 mph
NE
|
|
Monday Night
Jul 13
|
Mostly Clear
|
67°F |
1 to 5 mph
ENE
|
|
Tuesday
Jul 14
|
Sunny
|
88°F |
5 mph
E
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
69°F |
2 mph
NNW
|
|
Wednesday
Jul 15
|
Sunny
|
89°F |
3 mph
SSW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
2 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
89°F |
5 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Effingham County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Effingham County.
Largest mapped city population in this region: 12,601.
