Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Martinsville (KMTV)

Lat: 36.63°NLon: 80.02°WElev: 942ft.

Fog/Mist

71°F

22°C

Humidity 92%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 69°F (21°C)
Visibility 1.25 mi
Last update 2 Aug 3:15 am EDT
Extended Forecast for

7 Miles S Union Hall VA

Flood Watch August 2, 03:23am until August 3, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 2, 03:23am until August 3, 02:00am

    NOW until 2:00am Mon

    Flood Watch

  • Overnight

    Low: 69 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm.  High near 81. South wind 6 to 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 70. South wind 5 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Southwest wind 3 to 7 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Light and variable wind.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 69. Southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. High near 81. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 70. South wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Union Hall VA
 36.91°N 79.72°W (Elev. 906 ft)
2:30 am EDT Aug 2, 2026
3am EDT Aug 2, 2026-6pm EDT Aug 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database