Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Madison Municipal Airport (KIMS)

Lat: 38.76°NLon: 85.47°WElev: 819ft.

Partly Cloudy

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 20 Aug 12:15 am EDT
Extended Forecast for

5 Miles NNW Lexington IN

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 82. Light and variable wind.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 67. Calm wind.
Thursday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 11am, then a slight chance of showers and thunderstorms after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 82. Light and variable wind. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 65. Calm wind.
Friday
Mostly sunny, with a high near 83. Calm wind.
Friday Night
Mostly clear, with a low around 64. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Tuesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Lexington IN
 38.72°N 85.65°W (Elev. 620 ft)
10:35 pm EDT Aug 19, 2026
12am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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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