Station Name: CARROLL CREEK ABOVE ROCK CREEK AT FREDERICK, MD
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 295 feet

Nearest Address:
Catoctin Mountain Hwy
Frederick, MD 21702
Frederick County

GPS Coordinates: 39.42441667, -77.42977778

Nearby Water Temperatures

Winter Storm Watch issued January 22 at 2:16AM EST until January 26 at 4:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu January 22, 2026, 7:16 AM
Expires: Thu January 22, 2026, 9:15 PM

...MAJOR WINTER STORM POSSIBLE 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 West Virginia. * WHEN...From Saturday afternoon through late Sunday night. * IMPACTS...Travel could be very difficult. * 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 Friday 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.

Cold Weather Advisory issued January 22 at 1:22PM EST until January 24 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu January 22, 2026, 6:22 PM
Expires: Fri January 23, 2026, 2:30 AM

* WHAT...Very cold wind chills of 10 to 15 below expected. * WHERE...Portions of north central and western Maryland, northwest Virginia, and eastern and panhandle West Virginia. * WHEN...From 8 PM Friday to 10 AM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 15 below zero could cause frostbite on exposed skin in as little as 30 minutes.

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

Winter Storm Watch issued January 22 at 9:58AM EST until January 26 at 4:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu January 22, 2026, 2:58 PM
Expires: Thu January 22, 2026, 11:00 PM

...MAJOR WINTER STORM POSSIBLE 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. * 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 Friday 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.

Winter Storm Watch issued January 22 at 4:36PM EST until January 26 at 4:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu January 22, 2026, 9:36 PM
Expires: Fri January 23, 2026, 5:45 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 Friday 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.

Winter Storm Watch issued January 22 at 2:16AM EST until January 26 at 7:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu January 22, 2026, 7:16 AM
Expires: Thu January 22, 2026, 9:15 PM

...MAJOR WINTER STORM POSSIBLE 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...DC, and portions of central, northeast, northern, and southern Maryland, and central and northern Virginia. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Travel could be very difficult. 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 Friday 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.

Cold Weather Advisory issued January 22 at 1:22PM EST until January 24 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu January 22, 2026, 6:22 PM
Expires: Fri January 23, 2026, 2:30 AM

* WHAT...Very cold wind chills as low as 8 below expected. * WHERE...Portions of DC, central, northeast, and northern Maryland, and northern and northwest Virginia. * WHEN...From 8 PM Friday to 10 AM EST Saturday. * IMPACTS...The cold wind chills of zero to 8 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 22 at 9:58AM EST until January 26 at 7:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu January 22, 2026, 2:58 PM
Expires: Thu January 22, 2026, 11:00 PM

...MAJOR WINTER STORM POSSIBLE 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...Travel could be very difficult. 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 Friday 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.

Winter Storm Watch issued January 22 at 4:36PM EST until January 26 at 7:00AM EST by NWS Baltimore MD/Washington DC

Effective: Thu January 22, 2026, 9:36 PM
Expires: Fri January 23, 2026, 5:45 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...Travel could be very difficult to 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 Friday 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, 12:22 AM
Expires: Fri January 23, 2026, 12:32 AM

Monitoring message only. Please disregard.

Monitoring message only. Please disregard.

Winter Storm Watch issued January 22 at 2:06AM EST until January 26 at 1:00PM EST by NWS State College PA

Effective: Thu January 22, 2026, 7:06 AM
Expires: Thu January 22, 2026, 9:45 PM

* WHAT...Heavy snow with significant accumulations possible. Snow may mix with or transition to sleet in southern PA on Sunday and Sunday night. * WHERE...A portion of central Pennsylvania. * WHEN...From Saturday evening through Monday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be difficult late Saturday night through Monday morning.+

Monitor the latest forecasts for updates on this situation. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1 or visiting 511PA.com.

Cold Weather Advisory issued January 22 at 12:09PM EST until January 24 at 10:00AM EST by NWS State College PA

Effective: Thu January 22, 2026, 5:09 PM
Expires: Fri January 23, 2026, 9:00 AM

* WHAT...Very cold wind chills as low as 10 below expected. * WHERE...Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon, Perry, Schuylkill, and York Counties. * WHEN...From 10 PM Friday 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 22 at 9:56AM EST until January 26 at 1:00PM EST by NWS State College PA

Effective: Thu January 22, 2026, 2:56 PM
Expires: Fri January 23, 2026, 3:00 AM

* WHAT...Heavy snow possible. Total snow accumulations 6 inches or more possible. * WHERE...A portion of central Pennsylvania. * WHEN...From Saturday evening through Monday afternoon. * IMPACTS...Heavy snow could result in significant widespread travel disruptions.

Monitor the latest forecasts for updates on this situation.

Winter Storm Watch issued January 22 at 4:20PM EST until January 26 at 1:00PM EST by NWS State College PA

Effective: Thu January 22, 2026, 9:20 PM
Expires: Fri January 23, 2026, 9:30 AM

* WHAT...Heavy snow possible. Total snow accumulations of 10 inches or more possible. * WHERE...Central Pennsylvania. * WHEN...From Saturday evening through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. Significant blowing and drifting snow is possible. * ADDITIONAL DETAILS...Snowfall could be very heavy at times on Sunday with accumulation rates exceeding 1 inch per hour.

Monitor the latest forecasts for updates on this situation. Consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.