National Weather Service Forecast for: Merriam KS
Issued by: National Weather Service Kansas City/Pleasant Hill, MO
Updated: 1:27 am CDT Jun 30, 2026
 
Today

Today: Mostly sunny, with a high near 94. Heat index values as high as 106. South southwest wind 14 to 16 mph, with gusts as high as 32 mph.
Mostly Sunny
 Tonight

Tonight: Mostly clear, with a low around 78. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Mostly Clear
 Wednesday

Wednesday: Mostly sunny, with a high near 93. Heat index values as high as 100. South southwest wind 13 to 15 mph, with gusts as high as 28 mph.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 78. South wind 10 to 14 mph, with gusts as high as 25 mph.
Partly Cloudy
 Thursday

Thursday: Mostly sunny, with a high near 95. South wind 9 to 13 mph, with gusts as high as 22 mph.
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 78.
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
 Independence
Day
Independence Day: Mostly sunny and hot, with a high near 97.
Hot
Hi 94 °F Lo 78 °F Hi 93 °F Lo 78 °F Hi 95 °F Lo 78 °F Hi 96 °F Lo 77 °F Hi 97 °F

Hazardous Weather Outlook
Extreme Heat Warning
 

Today
 
 Mostly sunny, with a high near 94. Heat index values as high as 106. South southwest wind 14 to 16 mph, with gusts as high as 32 mph.
Tonight
 
 Mostly clear, with a low around 78. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Wednesday
 
 Mostly sunny, with a high near 93. Heat index values as high as 100. South southwest wind 13 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
 
 Partly cloudy, with a low around 78. South wind 10 to 14 mph, with gusts as high as 25 mph.
Thursday
 
 Mostly sunny, with a high near 95. South wind 9 to 13 mph, with gusts as high as 22 mph.
Thursday Night
 
 Partly cloudy, with a low around 78.
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 after 1am. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Sunday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Sunday Night
 
 Partly cloudy, with a low around 73.
Monday
 
 Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Merriam KS.