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

Cape Girardeau, Cape Girardeau Regional Airport (KCGI)

Lat: 37.23°NLon: 89.58°WElev: 341ft.

Fair

39°F

4°C

Humidity 38%
Wind Speed Calm
Barometer 30.52 in (1033.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 11 Jan 4:53 pm CST
Extended Forecast for

Mounds IL

  • Tonight

    Tonight: Clear, with a low around 25. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 25 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 49. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. South southwest wind around 6 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Partly sunny, with a high near 47. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 47 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 20. North northwest wind 11 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34. North northwest wind 6 to 11 mph becoming light west in the afternoon. Winds could gust as high as 18 mph.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. South southwest wind 3 to 7 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 25. Calm wind becoming south southwest around 5 mph after midnight.
Monday
Sunny, with a high near 49. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 33. South southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 57. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 41. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 47. Northwest wind 7 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly cloudy, with a low around 20. North northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 34. North northwest wind 6 to 11 mph becoming light west in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 26. South southwest wind 3 to 7 mph.
Friday
Partly sunny, with a high near 44. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 26. West wind around 6 mph.
Saturday
Partly sunny, with a high near 36. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 19. Northwest wind around 6 mph.
Sunday
Sunny, with a high near 34. West wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mounds IL
 37.14°N 89.21°W
Last Update:
3:17 pm CST Jan 11, 2026
Forecast Valid:
5pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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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