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

Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Winchester Municipal Airport (KBGF)

Lat: 35.18°NLon: 86.07°WElev: 979ft.

Fair

91°F

33°C

Humidity 52%
Wind Speed NA
Barometer 29.98 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 30 Jul 2:35 pm CDT
Extended Forecast for

Decherd TN

Heat Advisory July 30, 02:57pm until July 31, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 30, 02:57pm until July 31, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Patchy Fog

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 72. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming west around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 72. Calm wind.
Friday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decherd TN
 35.21°N 86.08°W (Elev. 988 ft)
Last Update:
2:50 pm CDT Jul 30, 2025
Forecast Valid:
2pm CDT Jul 30, 2025-6pm CDT Aug 5, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation