Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes
Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >
Current conditions at
Bristol / Johnson / Kingsport, Tri-City Regional Airport (KTRI)
Lat: 36.48°NLon: 82.4°WElev: 1519ft.
Mostly Cloudy
83°F
28°C
| Humidity | 59% |
| Wind Speed | W 6 mph |
| Barometer | 30.24 in (1021.4 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 21 Jun 12:53 pm EDT |
Extended Forecast for
Mountain Home TN
This Afternoon
High: 89 °F
Mostly Sunny
Tonight
Low: 67 °F
Partly Cloudy
Sunday
High: 91 °F
Hot
Sunday Night
Low: 68 °F
Mostly Clear
Monday
High: 92 °F
Hot
Monday Night
Low: 70 °F
Mostly Clear
Tuesday
High: 94 °F
Hot
Tuesday Night
Low: 70 °F
Mostly Clear
Wednesday
High: 95 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 89. Calm wind.
Tonight
Partly cloudy, with a low around 67. Calm wind.
Sunday
Sunny and hot, with a high near 91. Calm wind.
Sunday Night
Mostly clear, with a low around 68. Calm wind.
Monday
Sunny and hot, with a high near 92. Calm wind.
Monday Night
Mostly clear, with a low around 70. Calm wind.
Tuesday
Sunny and hot, with a high near 94. Calm wind.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mountain Home TN
36.32°N 82.37°W (Elev. 1699 ft)
36.32°N 82.37°W (Elev. 1699 ft)
10:17 am EDT Jun 21, 2025
12pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
