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

Heavy Rainfall for the Mid-Atlantic; Heat and Wildfire Concerns for the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region today into tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the interior Northwest with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Watauga County Hospital Heliport (KTNB)

Lat: 36.2°NLon: 81.65°WElev: 3146ft.

Fair

83°F

28°C

Humidity 48%
Wind Speed NW 8 mph
Barometer 30.17 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Jul 6:15 pm EDT
Extended Forecast for

Grandfather Mountain NC

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 63. Light and variable wind becoming northwest around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly after 2pm. Some of the storms could produce heavy rainfall. High near 73. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 73 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Heavy Rain

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 11am. High near 72. South wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 64. South southwest wind around 7 mph. Chance of precipitation is 70%.

    Low: 64 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 72. Chance of precipitation is 90%.

    High: 72 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms, mainly before 9pm. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    T-storms then
    Partly Cloudy

  • Friday

    Friday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 73. Chance of precipitation is 80%.

    High: 73 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms, mainly before 9pm. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 63. Light and variable wind becoming northwest around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms, mainly after 2pm. Some of the storms could produce heavy rainfall. High near 73. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 11am. High near 72. South wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 64. South southwest wind around 7 mph. Chance of precipitation is 70%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 72. Chance of precipitation is 90%.
Thursday Night
Showers and thunderstorms, mainly before 9pm. Low around 63. Chance of precipitation is 80%.
Friday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 73. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms, mainly before 9pm. Low around 63. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 73. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms. Low around 64. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms. High near 75. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 75. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grandfather Mountain NC
 36.1°N 81.84°W (Elev. 4432 ft)
Last Update:
5:11 pm EDT Jul 14, 2025
Forecast Valid:
6pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation