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.

Fair

76°F

24°C

Humidity 88%
Wind Speed S 8 mph
Barometer 30.08 in (1018.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 9 Sep 1:53 am CDT
Extended Forecast for

Jonesboro IL

Heat Advisory September 9, 11:00am until September 9, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 74. South wind around 6 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Increasing clouds and hot, with a high near 100. Heat index values as high as 109. South southwest wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 100 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 60%.

    Low: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 89. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%.

    High: 89 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.

    High: 87 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 74. South wind around 6 mph.
Wednesday
A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Increasing clouds and hot, with a high near 100. Heat index values as high as 109. South southwest wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 89. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Partly sunny, with a high near 87. Calm wind. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 68. Calm wind.
Saturday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south southwest around 5 mph.
Saturday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Calm wind.
Sunday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 70. South wind 3 to 5 mph.
Monday
Sunny, with a high near 94. Light south wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 71. South wind around 6 mph.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 92. South southwest wind 5 to 7 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Jonesboro IL
 37.46°N 89.3°W
Last Update:
2:05 am CDT Sep 9, 2026
Forecast Valid:
2am CDT Sep 9, 2026-6pm CDT Sep 15, 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