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

Hazardous Weather Conditions

Current conditions at

Madison Municipal Airport (KIMS)

Lat: 38.76°NLon: 85.47°WElev: 819ft.

Light Rain

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 20 May 5:15 am EDT
Extended Forecast for

Lexington IN

Flood Watch May 20, 05:42am until May 20, 02:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 20, 05:42am until May 20, 02:00pm

    NOW until 2:00pm Wed

    Flood Watch

  • Overnight

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 72. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 55. Northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 72. Northeast wind around 8 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 2am. Increasing clouds, with a low around 59. Northeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am. High near 75. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 66. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm. High near 72. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 55. Northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 72. Northeast wind around 8 mph.
Thursday Night
A 50 percent chance of showers after 2am. Increasing clouds, with a low around 59. Northeast wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 11am. High near 75. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 90%.
Saturday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lexington IN
 38.65°N 85.63°W (Elev. 679 ft)
Last Update:
5:06 am EDT May 20, 2026
Forecast Valid:
5am EDT May 20, 2026-6pm EDT May 26, 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