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

Hazardous Weather Conditions

Current conditions at

Cape Girardeau, Cape Girardeau Regional Airport (KCGI)

Lat: 37.23°NLon: 89.58°WElev: 341ft.

A Few Clouds

89°F

32°C

Humidity 70%
Wind Speed S 12 G 22 mph
Barometer 30.01 in (1015.7 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 29 Jun 1:53 pm CDT
Extended Forecast for

Ullin IL

Extreme Heat Warning June 29, 02:27pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 02:27pm until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind 3 to 7 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Heat index values as high as 112. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. Light and variable wind.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Calm wind becoming south around 5 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Light and variable wind.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Heat index values as high as 109. South southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 74. South wind 3 to 7 mph.
Tuesday
Sunny, with a high near 95. Heat index values as high as 112. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 73. Light and variable wind.
Wednesday
Sunny, with a high near 95. Calm wind becoming south around 5 mph.
Wednesday Night
Mostly clear, with a low around 75. Calm wind.
Thursday
Sunny, with a high near 95. Light and variable wind.
Thursday Night
Mostly clear, with a low around 75. Calm wind.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Light and variable wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Light and variable wind.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light and variable wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ullin IL
 37.27°N 89.2°W
Last Update:
2:11 pm CDT Jun 29, 2026
Forecast Valid:
2pm CDT Jun 29, 2026-6pm CDT Jul 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