Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Winchester Municipal Airport (KBGF)

Lat: 35.18°NLon: 86.07°WElev: 979ft.

Overcast

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 73°F (23°C)
Visibility 8.00 mi
Last update 18 Aug 12:35 am CDT
Extended Forecast for

Sewanee TN

  • Overnight

    Overnight: Partly cloudy, with a low around 69. North northwest wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. North northwest wind around 5 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. North wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 71. Calm wind becoming south southeast around 5 mph.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 70. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 69. North northwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 83. North northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 66. North wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 89. Calm wind.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Calm wind becoming south southeast around 5 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 85.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 68.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Sewanee TN
 35.2°N 85.92°W (Elev. 1900 ft)
12:50 am CDT Aug 18, 2026
12am CDT Aug 18, 2026-6pm CDT Aug 24, 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