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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Overcast

45°F

7°C

Humidity 80%
Wind Speed NW 7 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 8 Mar 2:52 am CDT
Extended Forecast for

Anna IL

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 43. North northwest wind 3 to 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 63 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. South southwest wind around 6 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. South southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 76 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 62. South southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 69. South southwest wind around 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 1am. Partly cloudy, with a low around 34. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 34 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 43. North northwest wind 3 to 5 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 63. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Clear, with a low around 44. South southwest wind around 6 mph.
Monday
Sunny, with a high near 73. South southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 61. South southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. South southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. South southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 69. South southwest wind around 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
A chance of showers before 1am. Partly cloudy, with a low around 34. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 53. Northwest wind around 8 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. South wind 7 to 15 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 66. South southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 41. Southwest wind 8 to 10 mph becoming north northeast after midnight.
Saturday
Mostly sunny, with a high near 59. East wind 8 to 11 mph, with gusts as high as 21 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:
12:56 am CST Mar 8, 2026
Forecast Valid:
3am CDT Mar 8, 2026-6pm CDT Mar 14, 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