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.

Partly Cloudy

56°F

13°C

Humidity 61%
Wind Speed E 7 mph
Barometer 29.98 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 May 3:15 am CDT
Extended Forecast for

3 Miles SW Stewardson IL

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 51. South southeast wind around 9 mph, with gusts as high as 18 mph.

    Low: 51 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. High near 74. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 63. South wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 10 to 17 mph, with gusts as high as 24 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy.

    High: 85 °F

    Breezy.
    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 51. South southeast wind around 9 mph, with gusts as high as 18 mph.
Friday
Showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. High near 74. South wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 21 mph.
Saturday
Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 80. South southwest wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 63. South wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.
Sunday
Sunny, with a high near 86. South wind 10 to 17 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 67. South wind around 14 mph, with gusts as high as 23 mph.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Breezy.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 60.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 73.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Stewardson IL
 39.23°N 88.66°W (Elev. 614 ft)
Last Update:
1:26 am CDT May 15, 2026
Forecast Valid:
3am CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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