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

Severe Thunderstorms In The Upper Midwest; A Sweltering Heat Wave For The West

Severe thunderstorms may bring flash flooding and a risk for a few tornadoes across parts of Iowa, southern/eastern Minnesota and western Wisconsin today. A sweltering heat wave with record breaking temperatures is expected the rest of the week in much of the West. Numerous excessive heat warnings and advisories are already in effect across Arizona, California and Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

A Few Clouds

25°C

77°F

Humidity 64%
Wind Speed Calm
Barometer 1022.9 mb (30.20 in)
Dewpoint 18°C (64°F)
Visibility 16 km
Heat Index26°C (79°F)
Last update 26 May 1:56 pm EDT
Extended Forecast for

Franconia VA

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 27. Southeast wind around 10 km/h.

    Partly Sunny

    High: 27 °C

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. Southeast wind 5 to 10 km/h.

    Mostly Cloudy

    Low: 17 °C

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 26. Southeast wind 5 to 11 km/h. Chance of precipitation is 30%.

    Chance
    Showers

    High: 26 °C

  • Wednesday
    Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 20. Southeast wind 8 to 13 km/h. Chance of precipitation is 70%. New precipitation amounts between 1 and 2.5 mm possible.

    Showers
    Likely

    Low: 20 °C

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 27. Southeast wind 10 to 14 km/h. Chance of precipitation is 70%.

    Showers
    Likely

    High: 27 °C

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 22 °C

  • Friday

    Friday: Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.

    Mostly Cloudy
    then T-storms
    Likely

    High: 29 °C

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 21 °C

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 27 °C

Detailed Forecast

This Afternoon
Partly sunny, with a high near 27. Southeast wind around 10 km/h.
Tonight
Mostly cloudy, with a low around 17. Southeast wind 5 to 10 km/h.
Wednesday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 26. Southeast wind 5 to 11 km/h. Chance of precipitation is 30%.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 20. Southeast wind 8 to 13 km/h. Chance of precipitation is 70%. New precipitation amounts between 1 and 2.5 mm possible.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 27. Southeast wind 10 to 14 km/h. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Friday
Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 29. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 27. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 15. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Mostly clear, with a low around 12.
Monday
Sunny, with a high near 22.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Franconia VA
 38.77°N 77.13°W (Elev. 31 m)
Last Update:
1:31 pm EDT May 26, 2020
Forecast Valid:
2pm EDT May 26, 2020-6pm EDT Jun 1, 2020
 
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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