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

Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Cape Girardeau, Cape Girardeau Regional Airport (KCGI)

Lat: 37.23°NLon: 89.58°WElev: 341ft.

Mostly Cloudy

76°F

24°C

Humidity 88%
Wind Speed NE 3 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 6 Jul 10:53 am CDT
Extended Forecast for

Thebes IL

Flood Advisory until July 6, 01:00pm
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until July 6, 01:00pm

    NOW until 1:00pm Mon

    Flood Advisory

  • Today

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Light north wind.

    Low: 70 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Light north wind.

    High: 87 °F

    Patchy Fog
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Light south wind.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. South southwest wind 3 to 8 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. South southwest wind around 7 mph.

    Low: 75 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87. Light north wind.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Light north wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Light north wind.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 70. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 72. Light south wind.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. South southwest wind 3 to 8 mph.
Thursday Night
A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. South southwest wind around 7 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Southwest wind 6 to 9 mph.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 73. Southwest wind 3 to 7 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 3 to 7 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 6 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.22°N 89.45°W
Last Update:
10:51 am CDT Jul 6, 2026
Forecast Valid:
11am CDT Jul 6, 2026-6pm CDT Jul 12, 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