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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

75°F

24°C

Humidity 64%
Wind Speed E 7 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 1 Apr 4:52 pm CDT
Extended Forecast for

Anna IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 75. South southeast wind around 6 mph, with gusts as high as 20 mph.

    High: 75 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 66. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 15 to 22 mph, with gusts as high as 34 mph.

    High: 78 °F

    Breezy.
    Cloudy then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 69. South southwest wind 11 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    High: 69 °F

    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 1am. Partly cloudy, with a low around 41. Northwest wind 7 to 9 mph.

    Low: 41 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 75. South southeast wind around 6 mph, with gusts as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 66. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 15 to 22 mph, with gusts as high as 34 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. South wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 69. South southwest wind 11 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Saturday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 41. Northwest wind 7 to 9 mph.
Sunday
Sunny, with a high near 60. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 38. North northwest wind 5 to 7 mph becoming calm after midnight.
Monday
Sunny, with a high near 66. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 42. North wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 60. Northeast wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 39. East northeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 66. South southeast wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Anna IL
 37.45°N 89.24°W
Last Update:
5:36 pm CDT Apr 1, 2026
Forecast Valid:
5pm CDT Apr 1, 2026-6pm CDT Apr 8, 2026
 
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