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

46°F

8°C

Humidity 68%
Wind Speed S 3 mph
Barometer 30.21 in (1023.2 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 18 Apr 9:53 pm CDT
Extended Forecast for

3 Miles S Merriam KS

  • Tonight

    Tonight: Clear, with a low around 41. West southwest wind around 5 mph.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 71. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.

    High: 71 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. North wind around 7 mph becoming east after midnight.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Southeast wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. South southwest wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 41. West southwest wind around 5 mph.
Sunday
Sunny, with a high near 71. Southwest wind 6 to 9 mph becoming west northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 44. North wind around 7 mph becoming east after midnight.
Monday
Sunny, with a high near 73. Southeast wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 54. South southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 40%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Breezy. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Merriam KS
 38.97°N 94.69°W (Elev. 1102 ft)
Last Update:
5:32 pm CDT Apr 18, 2026
Forecast Valid:
10pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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