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.

Mostly Cloudy

56°F

13°C

Humidity 39%
Wind Speed N 3 mph
Barometer 30.10 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 2 May 3:35 pm CDT
Extended Forecast for

Shelbyville IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. North northwest wind around 7 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy frost after 5am. Otherwise, mostly clear, with a low around 37. Northwest wind around 5 mph becoming calm.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: A slight chance of showers between 11am and 3pm. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 67. South southwest wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Partly cloudy, with a low around 50. Southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.

    Low: 50 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. Southwest wind 6 to 16 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 63. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly before 1am. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 55.

    High: 55 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. North northwest wind around 7 mph.
Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 37. Northwest wind around 5 mph becoming calm.
Sunday
A slight chance of showers between 11am and 3pm. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 67. South southwest wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Partly cloudy, with a low around 50. 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. Southwest wind 6 to 16 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 63. South wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers, mainly before 1am. Low around 42. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 55.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shelbyville IL
 39.42°N 88.79°W (Elev. 650 ft)
Last Update:
3:37 pm CDT May 2, 2026
Forecast Valid:
3pm CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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