Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Winchester Municipal Airport (KBGF)

Lat: 35.18°NLon: 86.07°WElev: 979ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Sep 3:15 am CDT
Extended Forecast for

6 Miles NW Sewanee TN

Heat Advisory September 18, 03:39am until September 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 03:39am until September 19, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 73 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming north around 5 mph in the afternoon.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 99. Calm wind becoming north northwest around 5 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 71. Calm wind becoming southeast around 5 mph after midnight.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 73. Calm wind.
Friday
Sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. Calm wind.
Saturday
Sunny, with a high near 96. Heat index values as high as 99. Calm wind becoming north northwest around 5 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Calm wind becoming southeast around 5 mph after midnight.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW Sewanee TN
 35.25°N 86°W (Elev. 1073 ft)
3:28 am CDT Sep 18, 2026
3am CDT Sep 18, 2026-6pm CDT Sep 24, 2026
 
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