Effingham, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Effingham, IL in one place.
Partly sunny, with a high near 69. East northeast wind 8 to 12 mph, with gusts as high as 18 mph.
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: May 19, 2026 5:25 PM CDT.
The active forecast window currently covers May 21 to May 25, 2026 for Effingham, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 21 to May 25, 2026
- Latest sync
- May 19, 2026 5:25 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Effingham
Memorial Day looks like the warmest upcoming period in Effingham at 79 degrees F.
Thursday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Thursday at about 8 to 12 mph ENE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- May 19, 2026 5:25 PM CDT
- Coverage
- 5 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 rain showers after 1am. Mostly cloudy, with a low around 54. East northeast wind around 9 mph, with gusts as high as 16 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 70. East wind around 8 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 77.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 21
|
Partly Sunny
|
69°F |
8 to 12 mph
ENE
|
|
Thursday Night
May 21
|
Mostly Cloudy then Chance Rain Showers
|
54°F |
9 mph
ENE
|
|
Friday
May 22
|
Showers And Thunderstorms
|
70°F |
8 mph
E
|
|
Friday Night
May 22
|
Showers And Thunderstorms Likely
|
57°F |
3 to 7 mph
SSW
|
|
Saturday
May 23
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
77°F |
6 mph
WSW
|
|
Saturday Night
May 23
|
Chance Showers And Thunderstorms
|
59°F |
1 to 5 mph
NW
|
|
Sunday
May 24
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
78°F |
3 mph
ENE
|
|
Sunday Night
May 24
|
Chance Showers And Thunderstorms
|
60°F |
2 mph
NE
|
|
Memorial Day
May 25
|
Chance Rain Showers
|
79°F |
6 mph
E
|
|
Monday Night
May 25
|
Chance Showers And Thunderstorms
|
63°F |
5 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Effingham.