Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Williamsburg-Whitley County Airport (KBYL)

Lat: 36.8°NLon: 84.2°WElev: 1165ft.

Overcast

74°F

23°C

Humidity 99%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 29 Jun 4:55 am EDT
Extended Forecast for

5 Miles WNW Newcomb TN

  • Today

    Today: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 1pm.  Mostly sunny, with a high near 88. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 90. Heat index values as high as 98. Calm wind.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. Calm wind.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 94. Calm wind becoming northeast around 5 mph.

    High: 94 °F

    Hot

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 2am.  Mostly clear, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 91.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 1pm. Mostly sunny, with a high near 88. Calm wind becoming northwest around 5 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 73. Calm wind.
Tuesday
Mostly sunny and hot, with a high near 90. Heat index values as high as 98. Calm wind.
Tuesday Night
Clear, with a low around 73. Calm wind.
Wednesday
Sunny and hot, with a high near 93. Calm wind.
Wednesday Night
Mostly clear, with a low around 75. Calm wind.
Thursday
Sunny and hot, with a high near 94. Calm wind becoming northeast around 5 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91.
Friday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 73.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Newcomb TN
 36.56°N 84.27°W (Elev. 1496 ft)
2:26 am EDT Jun 29, 2026
5am EDT Jun 29, 2026-6pm EDT Jul 5, 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