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

Overnight: Mostly clear, with a low around 78. South southwest wind around 15 mph, with gusts as high as 32 mph.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 92. Heat index values as high as 105. South southwest wind around 16 mph, with gusts as high as 32 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 77. South wind 11 to 14 mph, with gusts as high as 26 mph.
Mostly Clear
Wednesday

Wednesday: Mostly sunny, with a high near 92. Heat index values as high as 100. South southwest wind 13 to 16 mph, with gusts as high as 28 mph.
Mostly 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 93.
Mostly Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 77.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 95.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 76.
Partly Cloudy
Lo 78 °F Hi 92 °F Lo 77 °F Hi 92 °F Lo 77 °F Hi 93 °F Lo 77 °F Hi 95 °F Lo 76 °F

Extreme Heat Warning
Hazardous Weather Outlook
 

Overnight
 
Mostly clear, with a low around 78. South southwest wind around 15 mph, with gusts as high as 32 mph.
Tuesday
 
Sunny, with a high near 92. Heat index values as high as 105. South southwest wind around 16 mph, with gusts as high as 32 mph.
Tuesday Night
 
Mostly clear, with a low around 77. South wind 11 to 14 mph, with gusts as high as 26 mph.
Wednesday
 
Mostly sunny, with a high near 92. Heat index values as high as 100. South southwest wind 13 to 16 mph, with gusts as high as 28 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 93.
Thursday Night
 
Partly cloudy, with a low around 77.
Friday
 
Mostly sunny, with a high near 95.
Friday Night
 
Partly cloudy, with a low around 76.
Independence Day
 
Mostly sunny, with a high near 96.
Saturday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Sunday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Sunday Night
 
Partly cloudy, with a low around 72.
Monday
 
Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Olathe KS.