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

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

24°C

75°F

Humidity 60%
Wind Speed SE 9 km/h
Barometer 1017.1 mb (30.04 in)
Dewpoint 16°C (60°F)
Visibility 16 km
Last update 31 May 7:52 pm CDT
Extended Forecast for

Anna IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 18. Southeast wind 11 to 14 km/h. Chance of precipitation is 90%.

    Low: 18 °C

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 23. South wind 14 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 80%.

    High: 23 °C

    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 17. South wind 5 to 10 km/h becoming calm after midnight.

    Low: 17 °C

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 28. South wind 3 to 8 km/h.

    High: 28 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 19. South southeast wind 3 to 8 km/h.

    Low: 19 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 28. South wind 10 to 16 km/h, with gusts as high as 29 km/h. Chance of precipitation is 60%.

    High: 28 °C

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 20. South wind 10 to 13 km/h.

    Low: 20 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 29. South wind 11 to 16 km/h, with gusts as high as 29 km/h.

    High: 29 °C

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. South wind 10 to 13 km/h.

    Low: 21 °C

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 18. Southeast wind 11 to 14 km/h. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 23. South wind 14 to 16 km/h, with gusts as high as 32 km/h. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 17. South wind 5 to 10 km/h becoming calm after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 28. South wind 3 to 8 km/h.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 19. South southeast wind 3 to 8 km/h.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 28. South wind 10 to 16 km/h, with gusts as high as 29 km/h. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 20. South wind 10 to 13 km/h.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 29. South wind 11 to 16 km/h, with gusts as high as 29 km/h.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. South wind 10 to 13 km/h.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 30. South southwest wind 10 to 16 km/h.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 19. West southwest wind 8 to 10 km/h.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 29. Northwest wind 10 to 14 km/h.
Thursday Night
Mostly clear, with a low around 17. Northwest wind 8 to 11 km/h.
Friday
A slight chance of showers. Mostly sunny, with a high near 27. Northwest wind 10 to 14 km/h.
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Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
Last Update:
6:47 pm CDT May 31, 2024
Forecast Valid:
8pm CDT May 31, 2024-6pm CDT Jun 7, 2024
 
Forecast Discussion
 
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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