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

16°C

60°F

Humidity 90%
Wind Speed S 17 km/h
Barometer 1005.4 mb (29.69 in)
Dewpoint 14°C (57°F)
Visibility 16 km
Last update 18 Feb 7:53 pm CST
Extended Forecast for

Tamms IL

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 13. South wind 8 to 11 km/h.

    Low: 13 °C

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 22. South southwest wind 8 to 13 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 55 km/h. Chance of precipitation is 50%.

    High: 22 °C

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 6. West southwest wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 42 km/h.

    Low: 6 °C

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 14. West wind 5 to 13 km/h.

    High: 14 °C

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 2. North wind 3 to 8 km/h.

    Low: 2 °C

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 10. North wind 8 to 13 km/h.

    High: 10 °C

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before midnight. Mostly clear, with a low around -2. Northwest wind 10 to 13 km/h. Chance of precipitation is 20%.

    Low: -2 °C

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 6. Northwest wind 13 to 21 km/h, with gusts as high as 37 km/h.

    High: 6 °C

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around -6. North northwest wind 10 to 14 km/h.

    Low: -6 °C

    Clear

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 13. South wind 8 to 11 km/h.
Thursday
A chance of showers, with thunderstorms also possible after noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 22. South southwest wind 8 to 13 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 55 km/h. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 6. West southwest wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 42 km/h.
Friday
Sunny, with a high near 14. West wind 5 to 13 km/h.
Friday Night
Mostly cloudy, with a low around 2. North wind 3 to 8 km/h.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 10. North wind 8 to 13 km/h.
Saturday Night
A slight chance of rain and snow showers before midnight. Mostly clear, with a low around -2. Northwest wind 10 to 13 km/h. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 6. Northwest wind 13 to 21 km/h, with gusts as high as 37 km/h.
Sunday Night
Clear, with a low around -6. North northwest wind 10 to 14 km/h.
Monday
Sunny, with a high near 4. North northwest wind 5 to 14 km/h.
Monday Night
Mostly clear, with a low around -6. Calm wind.
Tuesday
Mostly sunny, with a high near 9. Light south wind increasing to 11 to 16 km/h in the morning. Winds could gust as high as 29 km/h.
Tuesday Night
Mostly cloudy, with a low around 3. South wind 11 to 16 km/h, with gusts as high as 34 km/h.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 14. South southwest wind 16 to 23 km/h, with gusts as high as 39 km/h.
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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:
5:41 pm CST Feb 18, 2026
Forecast Valid:
8pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
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Additional Resources

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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