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.

Fog/Mist

43°F

6°C

Humidity 100%
Wind Speed NE 9 mph
Barometer 30.05 in (1018.1 mb)
Dewpoint 43°F (6°C)
Visibility 1.00 mi
Wind Chill38°F (3°C)
Last update 3 Mar 6:53 pm CST
Extended Forecast for

3 Miles S Merriam KS

  • Tonight

    Tonight: Rain and possibly a thunderstorm before midnight, then rain likely. Patchy fog. Low around 42. Northeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 42 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 3pm. Patchy fog before noon. Otherwise, cloudy, with a high near 55. North wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before midnight. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain
    then Slight
    Chance Rain

  • Thursday

    Thursday: A slight chance of rain after noon. Mostly sunny, with a high near 67. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 67 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 58. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: Rain before noon, then showers and possibly a thunderstorm after noon. High near 73. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: Showers before midnight, then a chance of rain after midnight. Low around 43. Chance of precipitation is 80%.

    Low: 43 °F

    Showers then
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain and possibly a thunderstorm before midnight, then rain likely. Patchy fog. Low around 42. Northeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, mainly after 3pm. Patchy fog before noon. Otherwise, cloudy, with a high near 55. North wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of rain after noon. Mostly sunny, with a high near 67. Calm wind becoming south southeast 5 to 8 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A chance of rain before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 58. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain before noon, then showers and possibly a thunderstorm after noon. High near 73. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers before midnight, then a chance of rain after midnight. Low around 43. Chance of precipitation is 80%.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 76.
Monday Night
A chance of showers. Mostly clear, with a low around 58. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Merriam KS
 38.97°N 94.69°W (Elev. 1102 ft)
Last Update:
5:17 pm CST Mar 3, 2026
Forecast Valid:
7pm CST Mar 3, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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