Station Name: NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 23 feet

Nearest Address:
5199 Riverdale Rd
Riverdale Park, MD 20737
Prince George's County

GPS Coordinates: 38.96025, -76.9259722

Nearby Water Temperatures

Cold Weather Advisory issued January 23 at 3:39AM EST until January 24 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Fri January 23, 2026, 3:39 AM
Expires: Fri January 23, 2026, 11:45 AM

* WHAT...Very cold wind chills as low as 10 below expected. * WHERE...Portions of DC, central, northeast, and northern Maryland, and central, northern, northwest, and western Virginia. * WHEN...From 8 PM this evening to 10 AM EST Saturday. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

Winter Storm Watch issued January 23 at 2:53AM EST until January 26 at 7:00AM EST by NWS Baltimore MD/Washington DC

Effective: Fri January 23, 2026, 2:53 AM
Expires: Fri January 23, 2026, 11:00 AM

...MAJOR WINTER STORM EXPECTED THIS WEEKEND... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will likely lead to widespread significant snow beginning late Saturday, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected Friday night through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy snow mixed with sleet and freezing rain possible. There is a high likelihood of at least 5 inches of snow, with over 10 inches possible. Ice accumulation is also possible. * WHERE...Portions of DC, central, northeast, northern, and southern Maryland, and central and northern Virginia. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Power outages and tree damage are likely due to the ice. Travel could be nearly impossible. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow will likely overspread the area Saturday evening, becoming heavy at times late Saturday night with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is possible Sunday. Significant icing is possible especially south of Highway 50. Visibility of one-quarter mile or less is possible at times. A prolonged period wind chills in the teens and single digits is likely beginning this evening and lasting through the middle of next week, with sub-zero wind chills possible at times.

Monitor the latest forecasts for updates on this situation. Now is the time to make preparations for the storm. This includes getting any necessary groceries or medicines that you may not be able to access this weekend into early next week due to any potential closure. Have an emergency kit in the car including extra batteries, a flashlight, and blanket just in case you get stranded. Make sure to refuel or charge your car before the storm hits. Check on elderly friends, family, and neighbors and don't forget about pets or livestock during this prolonged cold period.

This is only a test for monitoring of vital dissemination systems.

Effective: Fri January 23, 2026, 7:22 AM
Expires: Fri January 23, 2026, 7:32 AM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.

Winter Storm Watch issued January 23 at 2:53AM EST until January 26 at 4:00AM EST by NWS Baltimore MD/Washington DC

Effective: Fri January 23, 2026, 2:53 AM
Expires: Fri January 23, 2026, 11:00 AM

...MAJOR WINTER STORM EXPECTED THIS WEEKEND... .A large area of precipitation will overrun Arctic air in place over the Mid-Atlantic. This will likely lead to widespread significant snow beginning late Saturday, with the potential for ice Sunday especially south of Highway 50 and near and east of Interstate 95. In addition to the high threat for significant snow and ice, very cold temperatures are expected Friday night through the middle of next week with sub-zero wind chills likely at times. * WHAT...Heavy snow mixed with sleet and freezing rain possible. There is a high likelihood of at least 5 inches of snow, with over 10 inches possible. Ice accumulation is also possible, especially south of Interstate 70. * WHERE...Portions of central, north central, and northern Maryland, central, northern, northwest, and western Virginia, and eastern and panhandle West Virginia. * WHEN...From Saturday afternoon through late Sunday night. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Snow will likely overspread the area by Saturday evening, becoming heavy at times Saturday night with rates of one to two inches per hour possible at times. A mix with sleet or freezing rain is possible Sunday, especially south of Interstate 70. Significant icing is possible especially across central Virginia. Visibility of one-quarter mile or less is possible at times. A prolonged period wind chills in the teens and single digits is likely beginning this evening and lasting through the middle of next week, with sub-zero wind chills possible at times.

Monitor the latest forecasts for updates on this situation. Now is the time to make preparations for the storm. This includes getting any necessary groceries or medicines that you may not be able to access this weekend into early next week due to any potential closure. Have an emergency kit in the car including extra batteries, a flashlight, and blanket just in case you get stranded. Make sure to refuel or charge your car before the storm hits. Check on elderly friends, family, and neighbors and don't forget about pets or livestock during this prolonged cold period.