National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Effingham, Effingham County Memorial Airport (K1H2)

Lat: 39.07°NLon: 88.53°WElev: 587ft.

Overcast

48°F

9°C

Humidity 80%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 2 May 1:35 am CDT
Extended Forecast for

Effingham IL

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 56. Northeast wind 5 to 7 mph becoming north northwest in the afternoon.

    High: 56 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 37. North northwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 67. South southwest wind 6 to 15 mph, with gusts as high as 24 mph.

    High: 67 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 57. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 43. Calm wind.
Saturday
Partly sunny, with a high near 56. Northeast wind 5 to 7 mph becoming north northwest in the afternoon.
Saturday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 37. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 67. South southwest wind 6 to 15 mph, with gusts as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. South southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 57. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 65. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 46. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 57.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
1:26 am CDT May 2, 2026
Forecast Valid:
2am CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation