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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Kansas City - Lee's Summit Regional Airport (KLXT)

Lat: 38.96°NLon: 94.37°WElev: 1004ft.

Fair

81°F

27°C

Humidity 62%
Wind Speed S 10 mph
Barometer 29.97 in (1013.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Sep 12:53 am CDT
Extended Forecast for

Lexington MO

  • Overnight

    Overnight: Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 95. Heat index values as high as 99. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 83. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 62. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 67.

    High: 67 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 95. Heat index values as high as 99. South southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. West wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 83. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 62. Light northeast wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Mostly cloudy, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lexington MO
 39.21°N 93.86°W (Elev. 669 ft)
Last Update:
11:41 pm CDT Sep 18, 2026
Forecast Valid:
1am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
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