Station Name: DEAD RUN AT WHANN AVENUE NEAR MCLEAN, VA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 226 feet

Nearest Address:
800 Whann Ave
McLean, VA 22101
Fairfax County

GPS Coordinates: 38.95977716, -77.1756743

Nearby Water Temperatures

High Wind Warning issued February 6 at 3:57PM EST until February 7 at 7:00PM EST by NWS Baltimore MD/Washington DC

Effective: Fri February 6, 2026, 3:57 PM
Expires: Sat February 7, 2026, 12:00 AM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills around or lower than 10 degrees below zero expected. For the High Wind Warning, northwest winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Washington D.C, and portions of central, northeast, northern, and southern Maryland, and northern Virginia. * WHEN...For the Extreme Cold Warning, from 4 AM Saturday to 10 AM EST Sunday. For the High Wind Warning, from 4 AM to 7 PM EST Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. * ADDITIONAL DETAILS...Wind chills are expected to remain below zero for at least 24 hours beginning Saturday morning and continuing through late Sunday morning. Being outdoors for a prolonged period of time will be life-threatening.

Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 or visit your local county or city website for assistance locating appropriate shelter from the cold.

Extreme Cold Warning issued February 6 at 3:57PM EST until February 8 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Fri February 6, 2026, 3:57 PM
Expires: Sat February 7, 2026, 12:00 AM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills around or lower than 10 degrees below zero expected. For the High Wind Warning, northwest winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Washington D.C, and portions of central, northeast, northern, and southern Maryland, and northern Virginia. * WHEN...For the Extreme Cold Warning, from 4 AM Saturday to 10 AM EST Sunday. For the High Wind Warning, from 4 AM to 7 PM EST Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. * ADDITIONAL DETAILS...Wind chills are expected to remain below zero for at least 24 hours beginning Saturday morning and continuing through late Sunday morning. Being outdoors for a prolonged period of time will be life-threatening.

Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 or visit your local county or city website for assistance locating appropriate shelter from the cold.

High Wind Warning issued February 6 at 11:17PM EST until February 7 at 7:00PM EST by NWS Baltimore MD/Washington DC

Effective: Fri February 6, 2026, 11:17 PM
Expires: Sat February 7, 2026, 7:30 AM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills around or lower than 10 degrees below zero expected. For the High Wind Warning, northwest winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and northern Virginia. * WHEN...For the Extreme Cold Warning, from 4 AM Saturday to 10 AM EST Sunday. For the High Wind Warning, from 4 AM to 7 PM EST Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. * ADDITIONAL DETAILS...Wind chills are expected to remain below zero for at least 24 hours beginning Saturday morning and continuing through late Sunday morning. Being outdoors for a prolonged period of time will be life-threatening.

Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 or visit your local county or city website for assistance locating appropriate shelter from the cold.

Extreme Cold Warning issued February 6 at 11:17PM EST until February 8 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Fri February 6, 2026, 11:17 PM
Expires: Sat February 7, 2026, 7:30 AM

* WHAT...For the Extreme Cold Warning, dangerously cold wind chills around or lower than 10 degrees below zero expected. For the High Wind Warning, northwest winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and northern Virginia. * WHEN...For the Extreme Cold Warning, from 4 AM Saturday to 10 AM EST Sunday. For the High Wind Warning, from 4 AM to 7 PM EST Saturday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. * ADDITIONAL DETAILS...Wind chills are expected to remain below zero for at least 24 hours beginning Saturday morning and continuing through late Sunday morning. Being outdoors for a prolonged period of time will be life-threatening.

Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive. Dress in layers including a hat, face mask, and gloves if you must go outside. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 or visit your local county or city website for assistance locating appropriate shelter from the cold.