Effingham County, IL Weather Forecast
County weather hub
Showers And Thunderstorms Likely
Compare major city weather across Effingham County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of rain showers before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. South southeast wind 5 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half 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
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 10:21 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Effingham County
Today looks like the warmest upcoming period in Effingham County at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 18 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 10:21 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 chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 48. West wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers after 4pm. Partly sunny, with a high near 57. Northwest wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Partly cloudy, with a low around 38. North northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Sunny, with a high near 59. North northeast wind 2 to 8 mph.
Areas of frost after 3am. Clear, with a low around 34. East northeast wind around 1 mph.
Widespread frost before 8am. Sunny, with a high near 66. South southeast wind 1 to 5 mph.
Mostly clear, with a low around 38.
Sunny, with a high near 71.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 73.
Mostly clear, with a low around 43.
Sunny, with a high near 75.
Mostly clear, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 15
|
Showers And Thunderstorms Likely
|
80°F |
5 to 9 mph
SSE
|
|
Tonight
Oct 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
48°F |
9 to 16 mph
W
|
|
Friday
Oct 16
|
Partly Sunny then Slight Chance Rain Showers
|
57°F |
18 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
38°F |
9 to 16 mph
NNW
|
|
Saturday
Oct 17
|
Sunny
|
59°F |
2 to 8 mph
NNE
|
|
Saturday Night
Oct 17
|
Clear then Areas Of Frost
|
34°F |
1 mph
ENE
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
66°F |
1 to 5 mph
SSE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
38°F |
2 mph
SSE
|
|
Monday
Oct 19
|
Sunny
|
71°F |
0 to 3 mph
SSE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
41°F |
1 mph
ENE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
73°F |
2 mph
ESE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
43°F |
1 mph
E
|
|
Wednesday
Oct 21
|
Sunny
|
75°F |
0 to 3 mph
SE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
47°F |
2 mph
SE
|
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.
