National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Olathe, Johnson County Executive Airport (KOJC)

Lat: 38.85°NLon: 94.74°WElev: 1096ft.

Fair

74°F

23°C

Humidity 85%
Wind Speed S 6 mph
Barometer 30.00 in (1014.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 26 Jun 5:53 am CDT
Extended Forecast for

3 Miles SSW Merriam KS

  • Today

    Today: A chance of showers and thunderstorms after 3pm. Sunny, with a high near 91. Heat index values as high as 96. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 9pm and 11pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 71. South wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

    Low: 71 °F

    Heavy Rain

  • Friday

    Friday: A chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 89. Heat index values as high as 95. South southwest wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. South southwest wind 6 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%.

    High: 91 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms after 3pm. Sunny, with a high near 91. Heat index values as high as 96. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly between 9pm and 11pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a low around 71. South wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Friday
A chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 89. Heat index values as high as 95. South southwest wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 6 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. South southwest wind 6 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Merriam KS
 38.97°N 94.72°W (Elev. 1047 ft)
Last Update:
3:57 am CDT Jun 26, 2025
Forecast Valid:
6am CDT Jun 26, 2025-6pm CDT Jul 2, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation