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Current conditions at

Olathe, Johnson County Executive Airport (KOJC)

Lat: 38.85°NLon: 94.74°WElev: 1096ft.

A Few Clouds

73°F

23°C

Humidity 71%
Wind Speed Calm
Barometer 29.87 in (1010.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Sep 7:53 pm CDT
Extended Forecast for

3 Miles SSW Merriam KS

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 64. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. South southwest wind around 7 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 75. Light and variable wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 64. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. South southwest wind around 7 mph.
Monday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 75. Light and variable wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Merriam KS
 38.97°N 94.72°W (Elev. 1047 ft)
Last Update:
6:57 pm CDT Sep 21, 2025
Forecast Valid:
9pm CDT Sep 21, 2025-6pm CDT Sep 28, 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