Effingham County, IL Weather Forecast
County weather hub
Patchy Fog
Compare major city weather across Effingham County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Patchy fog. Mostly clear, with a low around 56. Wind around 0 mph.
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
- Aug 24 to Aug 30, 2026
- Latest sync
- Aug 24, 2026 6:31 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Effingham County
Sunday looks like the warmest upcoming period in Effingham County at 89 degrees F.
Overnight is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Sunday at about 3 to 8 mph SSW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 24, 2026 6:31 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
Patchy fog before 8am. Sunny, with a high near 81. North northeast wind around 2 mph.
Mostly clear, with a low around 57. East northeast wind around 1 mph.
Mostly sunny, with a high near 83. East southeast wind around 3 mph.
Partly cloudy, with a low around 61. East southeast wind around 1 mph.
Mostly sunny, with a high near 86. South wind 1 to 5 mph.
A chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 65. West southwest wind 0 to 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 86.
Mostly clear, with a low around 63.
Sunny, with a high near 85.
Mostly clear, with a low around 63.
Mostly sunny, with a high near 87.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 67.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 24
|
Patchy Fog
|
56°F |
0 mph
|
|
Monday
Aug 24
|
Patchy Fog then Sunny
|
81°F |
2 mph
NNE
|
|
Monday Night
Aug 24
|
Mostly Clear
|
57°F |
1 mph
ENE
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
83°F |
3 mph
ESE
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
61°F |
1 mph
ESE
|
|
Wednesday
Aug 26
|
Mostly Sunny
|
86°F |
1 to 5 mph
S
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
65°F |
0 to 3 mph
WSW
|
|
Thursday
Aug 27
|
Sunny
|
86°F |
2 to 6 mph
NW
|
|
Thursday Night
Aug 27
|
Mostly Clear
|
63°F |
0 to 5 mph
N
|
|
Friday
Aug 28
|
Sunny
|
85°F |
0 to 3 mph
N
|
|
Friday Night
Aug 28
|
Mostly Clear
|
63°F |
2 mph
ENE
|
|
Saturday
Aug 29
|
Mostly Sunny
|
87°F |
3 mph
SSE
|
|
Saturday Night
Aug 29
|
Partly Cloudy then Slight Chance Rain Showers
|
67°F |
3 mph
SSE
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers
|
89°F |
3 to 8 mph
SSW
|
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.
