Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. 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

67°F

19°C

Humidity 93%
Wind Speed SE 3 mph
Barometer 29.77 in (1007.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 16 Jun 11:53 pm CDT
Extended Forecast for

3 Miles WNW Diehlstadt MO

  • Overnight

    Overnight: Partly cloudy, with a low around 66. Light south wind.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 90. Breezy, with a south southwest wind 9 to 14 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 90 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am.  Increasing clouds, with a low around 75. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Increasing
    Clouds and
    Breezy then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am.  Partly sunny, with a high near 87. Southwest wind 6 to 9 mph becoming north in the afternoon.  Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 66. North wind 3 to 6 mph.  Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 84. North wind around 6 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Light northeast wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Calm wind becoming south southeast around 6 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am.  Partly cloudy, with a low around 68. South southeast wind 3 to 6 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. Light south wind.
Wednesday
Sunny, with a high near 90. Breezy, with a south southwest wind 9 to 14 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Increasing clouds, with a low around 75. Breezy, with a south southwest wind 13 to 21 mph, with gusts as high as 30 mph.
Thursday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 87. Southwest wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 66. North wind 3 to 6 mph. Chance of precipitation is 60%.
Juneteenth
Mostly sunny, with a high near 84. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 64. Light northeast wind.
Saturday
Mostly sunny, with a high near 86. Calm wind becoming south southeast around 6 mph in the morning.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 68. South southeast wind 3 to 6 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. South southwest wind 8 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. South southwest wind around 14 mph, with gusts as high as 21 mph.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 85. West wind 11 to 15 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. North wind 5 to 8 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. North wind around 6 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Diehlstadt MO
 36.97°N 89.47°W
11:21 pm CDT Jun 16, 2026
12am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database