National Weather Service Forecast for: Cape Girardeau MO
Issued by: National Weather Service Paducah, KY
Updated: 11:11 pm CDT Jun 18, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 63. North wind around 5 mph becoming calm after midnight.
Partly Cloudy

 Juneteenth

Juneteenth: Mostly sunny, with a high near 84. Calm wind.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 64. Calm wind.
Partly Cloudy

 Saturday

Saturday: Sunny, with a high near 86. Light and variable wind.
Sunny

 Saturday
Night
Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. Light south southeast wind.
Mostly Clear
then Slight
Chance
Showers
 Sunday

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Light south southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Chance
T-storms then
Showers
Likely
 Sunday
Night
Sunday Night: Showers and possibly a thunderstorm. Low around 70. South wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Showers

 Monday

Monday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Chance
Showers then
Chance
T-storms
 Monday
Night
Monday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 64. North wind 5 to 9 mph becoming light in the evening.
Mostly Cloudy
then Slight
Chance
Showers
Lo 63 °F Hi 84 °F Lo 64 °F Hi 86 °F Lo 68 °F Hi 85 °F Lo 70 °F Hi 83 °F Lo 64 °F

Hazardous Weather Outlook
Flood Warning
 

Tonight
 
 Partly cloudy, with a low around 63. North wind around 5 mph becoming calm after midnight.
Juneteenth
 
 Mostly sunny, with a high near 84. Calm wind.
Friday Night
 
 Partly cloudy, with a low around 64. Calm wind.
Saturday
 
 Sunny, with a high near 86. Light and variable wind.
Saturday Night
 
 A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. Light south southeast wind.
Sunday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Light south southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 70%.
Sunday Night
 
 Showers and possibly a thunderstorm. Low around 70. South wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Monday
 
 A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
 
 A slight chance of showers after 1am. Mostly cloudy, with a low around 64. North wind 5 to 9 mph becoming light in the evening.
Tuesday
 
 A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Light north wind.
Tuesday Night
 
 A slight chance of showers. Partly cloudy, with a low around 64. Light north wind.
Wednesday
 
 Mostly sunny, with a high near 84. Calm wind.
Wednesday Night
 
 Partly cloudy, with a low around 65. Light and variable wind.
Thursday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Light and variable wind.

 

Forecast from NOAA-NWS for Cape Girardeau MO.