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.

Mostly Cloudy

62°F

17°C

Humidity 73%
Wind Speed S 10 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 30 Mar 4:53 am CDT
Extended Forecast for

Tamms IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 79. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 79 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 64. South southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 83. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 33 mph.

    High: 83 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. South wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 63. South wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 63 °F

    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. South wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 79. Breezy, with a south southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
Mostly clear, with a low around 64. South southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 83. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 33 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. South wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 63. South wind 11 to 15 mph, with gusts as high as 24 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. South wind 9 to 13 mph, with gusts as high as 20 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 61. South wind around 9 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. South wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. West northwest wind around 10 mph, with gusts as high as 18 mph.
Sunday
A chance of showers. Mostly sunny, with a high near 61. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tamms IL
 37.23°N 89.28°W
Last Update:
5:22 am CDT Mar 30, 2026
Forecast Valid:
5am CDT Mar 30, 2026-6pm CDT Apr 5, 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