Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

79°F

26°C

Humidity 72%
Wind Speed SE 6 mph
Barometer 30.05 in (1016.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 12 Aug 12:53 pm EDT
Extended Forecast for

Halls TN

Flood Watch until August 12, 03:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until August 12, 03:00pm

    NOW until 3:00pm Wed

    Flood Watch

  • This Afternoon

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 10pm and 2am.  Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.  New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm.  Mostly cloudy, then gradually becoming sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind around 5 mph.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am.  Mostly sunny and hot, with a high near 93. Southwest wind around 5 mph.  Chance of precipitation is 30%.

    High: 93 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 10 percent chance of showers before 8pm.  Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 94. Calm wind.

    High: 94 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 99. Southwest wind around 5 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 10pm and 2am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Mostly cloudy, then gradually becoming sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 74. Calm wind.
Friday
A chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 93. Southwest wind around 5 mph. Chance of precipitation is 30%.
Friday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 75. Calm wind.
Saturday
Mostly sunny and hot, with a high near 94. Calm wind.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
Mostly sunny and hot, with a high near 95.
Sunday Night
Mostly clear, with a low around 75.
Monday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Halls TN
 36.07°N 83.93°W (Elev. 1076 ft)
9:36 am EDT Aug 12, 2026
12pm EDT Aug 12, 2026-6pm EDT Aug 18, 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