Reston Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Reston.

Use the Radar Maps link provided to understand the trajectory of a storm.

Winter Weather Advisory issued November 21 at 1:59PM EST until November 23 at 7:00PM EST by NWS Charleston WV

* WHAT...Snow expected. Total snow accumulations between 2 and 6 inches. Winds gusting as high as 40 mph. * WHERE...Portions of southwest Virginia and northeast, northern, southeast, and southern West Virginia. * WHEN...Until 7 PM EST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes.

Freeze Warning issued November 21 at 1:57PM EST until November 22 at 8:00AM EST by NWS Wakefield VA

* WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...In North Carolina, Bertie, Gates, Hertford, and Northampton Counties. In Virginia, Isle of Wight, James City, Southampton, and Surry Counties, and Suffolk. * WHEN...From 1 AM to 8 AM EST Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Freeze Warning issued November 21 at 1:57PM EST until November 22 at 8:00AM EST by NWS Wakefield VA

* WHAT...Sub-freezing temperatures as low as 32 expected. * WHERE...In North Carolina, Camden, Chowan, Pasquotank, Perquimans, and Western Currituck Counties. In Virginia, Chesapeake. * WHEN...From 1 AM to 8 AM EST Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

The Freeze Watch has been replaced. Please see the latest information from NWS Wakefield VA on this developing situation.

The Freeze Watch has been replaced. Please see the latest information from NWS Wakefield VA on this developing situation.

Winter Weather Advisory issued November 21 at 1:35PM EST until November 23 at 7:00AM EST by NWS Blacksburg VA

* WHAT...Snow expected. Total snow accumulations 1 to 4 inches, with locally higher amounts above 5000 feet. Winds gusting as high as 50 mph. * WHERE...In North Carolina, Ashe and Watauga Counties. In Virginia, Grayson County. * WHEN...Until 7 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes. Gusty winds could bring down tree branches.

Winter Weather Advisory issued November 21 at 1:35PM EST until November 23 at 7:00PM EST by NWS Blacksburg VA

* WHAT...Snow expected. Total 3 day snow accumulations 2 to 5 inches. Winds gusting as high as 40 mph. * WHERE...Portions of southwest Virginia and southeast West Virginia. * WHEN...Until 7 PM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes.

Winter Storm Warning issued November 21 at 12:09PM EST until November 23 at 6:00AM EST by NWS Baltimore MD/Washington DC

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 12 inches, with locally 1 to 2 feet along the ridgetops. Winds may gust as high as 50 mph Friday afternoon into Friday night. * WHERE...In Virginia, Western Highland County. In West Virginia, Western Grant and Western Pendleton Counties. * WHEN...Until 6 AM EST Saturday. Bursts of moderate to heavy snow will impact this evenings commute while temperatures fall well below freezing. The most widespread and heaviest snow will be late Friday morning through Friday evening with peak snowfall rates around 1 to 2 inches per hour. The strong winds will coincide with the heavy snow, making the Friday evening commute very dangerous due to snow covered surfaces and visibility below 1/4 mile at times. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities will drop below 1/4 mile at times due to falling and blowing snow. Whiteout conditions are expected and will make travel treacherous and potentially life-threatening. Travel could be very difficult to impossible. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Bursts of moderate to heavy snow will impact this evenings commute while temperatures fall well below freezing. The most widespread and heaviest snow will be late Friday morning through Friday evening with peak snowfall rates around 1 to 2 inches per hour. The strong winds will coincide with the heavy snow, making the Friday evening commute dangerous.

Winter Weather Advisory issued November 21 at 9:57AM EST until November 22 at 10:00AM EST by NWS Morristown TN

* WHAT...Snow expected. Total snow accumulations between 1 and 3 inches. Isolated amounts of 3 to 6 inches on the highest peaks and ridgetops. Winds gusting as high as 40 mph. * WHERE...Portions of east Tennessee and southwest Virginia. * WHEN...From 4 PM this afternoon to 10 AM EST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday evening and Friday morning commutes. Gusty winds could bring down tree branches.