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

Winchester Municipal Airport (KBGF)

Lat: 35.18°NLon: 86.07°WElev: 979ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed E 5 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 19 Aug 7:35 pm CDT
Extended Forecast for

3 Miles N Sewanee TN

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph.

    Low: 72 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming west southwest around 5 mph.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly between midnight and 5am.  Increasing clouds, with a low around 71. Calm wind.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming west around 5 mph.  Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Calm wind becoming west southwest around 5 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly between midnight and 5am. Increasing clouds, with a low around 71. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 69. Calm wind.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 89.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Sewanee TN
 35.25°N 85.94°W (Elev. 1076 ft)
6:50 pm CDT Aug 19, 2026
7pm CDT Aug 19, 2026-6pm CDT 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