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.

Fair

49°F

9°C

Humidity 66%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 2 May 8:15 pm CDT
Extended Forecast for

Effingham IL

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 38. Calm wind becoming south around 5 mph after midnight.

    Low: 38 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, increasing clouds, with a high near 66. South southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 66 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. 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 before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 58. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 65. South southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly before 1am. Low around 44. North wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 38. Calm wind becoming south around 5 mph after midnight.
Sunday
Patchy frost before 7am. Otherwise, increasing clouds, with a high near 66. South southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 58. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 65. South southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers, mainly before 1am. Low around 44. North wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 57.
Wednesday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Effingham IL
 39.12°N 88.55°W (Elev. 581 ft)
Last Update:
7:36 pm CDT May 2, 2026
Forecast Valid:
8pm CDT May 2, 2026-6pm CDT May 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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