National Weather Service Forecast for: Merriam KS
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 11:42 pm CDT Jun 29, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 79. South southwest wind 13 to 16 mph, with gusts as high as 31 mph.
Partly Cloudy
Tuesday

Tuesday: Mostly sunny, with a high near 93. Heat index values as high as 102. South southwest wind 14 to 16 mph, with gusts as high as 32 mph.
Mostly Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 77. South southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 92. Heat index values as high as 99. South southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Sunny
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 77. South wind 10 to 14 mph, with gusts as high as 24 mph.
Partly Cloudy
Thursday

Thursday: Mostly sunny, with a high near 94.
Mostly Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 77.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 96.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 77.
Partly Cloudy
Lo 79 °F Hi 93 °F Lo 77 °F Hi 92 °F Lo 77 °F Hi 94 °F Lo 77 °F Hi 96 °F Lo 77 °F

Hazardous Weather Outlook
Extreme Heat Warning
 

Tonight
 
Partly cloudy, with a low around 79. South southwest wind 13 to 16 mph, with gusts as high as 31 mph.
Tuesday
 
Mostly sunny, with a high near 93. Heat index values as high as 102. South southwest wind 14 to 16 mph, with gusts as high as 32 mph.
Tuesday Night
 
Mostly clear, with a low around 77. South southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Wednesday
 
Sunny, with a high near 92. Heat index values as high as 99. South southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Wednesday Night
 
Partly cloudy, with a low around 77. South wind 10 to 14 mph, with gusts as high as 24 mph.
Thursday
 
Mostly sunny, with a high near 94.
Thursday Night
 
Partly cloudy, with a low around 77.
Friday
 
Mostly sunny, with a high near 96.
Friday Night
 
Partly cloudy, with a low around 77.
Independence Day
 
Mostly sunny and hot, with a high near 97.
Saturday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 40%.
Sunday
 
Partly sunny, with a high near 92.
Sunday Night
 
Partly cloudy, with a low around 73.
Monday
 
Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Merriam KS.