Effingham, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Effingham, IL in one place.
Showers and thunderstorms before 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 80. South wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Effingham, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 2:37 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Effingham, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 2:37 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Effingham
This Afternoon looks like the warmest upcoming period in Effingham 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 2:37 PM 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 10pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 49. West southwest wind 9 to 17 mph, with gusts as high as 32 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 30 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 25 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 wind around 2 mph.
Widespread frost before 8am. Sunny, with a high near 66. South southeast wind 1 to 6 mph.
Mostly clear, with a low around 38.
Sunny, with a high near 71.
Partly cloudy, with a low around 42.
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 |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Showers And Thunderstorms
|
80°F |
9 mph
S
|
|
Tonight
Oct 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
49°F |
9 to 17 mph
WSW
|
|
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 |
2 mph
E
|
|
Sunday
Oct 18
|
Widespread Frost then Sunny
|
66°F |
1 to 6 mph
SSE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
38°F |
3 mph
SSE
|
|
Monday
Oct 19
|
Sunny
|
71°F |
0 to 3 mph
SSE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
42°F |
2 mph
ESE
|
|
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 |
3 mph
SE
|
|
Wednesday Night
Oct 21
|
Mostly Clear
|
47°F |
2 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Effingham.