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

Heat Advisory issued July 2 at 1:32PM EDT until July 4 at 8:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Thu July 2, 2026, 5:32 PM
Expires: Fri July 3, 2026, 3:00 AM

* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 109. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. For the Heat Advisory, heat index values up to 105 expected. * WHERE...Portions of north central Maryland, northwest Virginia, and eastern and panhandle West Virginia. * WHEN...For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 10 AM to 8 PM EDT Friday. For the Heat Advisory, from 10 AM to 8 PM EDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Extreme Heat Warning issued July 2 at 1:32PM EDT until July 3 at 8:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Thu July 2, 2026, 5:32 PM
Expires: Fri July 3, 2026, 3:00 AM

* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 109. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. For the Heat Advisory, heat index values up to 105 expected. * WHERE...Portions of north central Maryland, northwest Virginia, and eastern and panhandle West Virginia. * WHEN...For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 10 AM to 8 PM EDT Friday. For the Heat Advisory, from 10 AM to 8 PM EDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Extreme Heat Warning issued July 2 at 1:32PM EDT until July 2 at 8:00PM EDT by NWS Baltimore MD/Washington DC

Effective: Thu July 2, 2026, 5:32 PM
Expires: Fri July 3, 2026, 3:00 AM

* WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 109. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. For the Heat Advisory, heat index values up to 105 expected. * WHERE...Portions of north central Maryland, northwest Virginia, and eastern and panhandle West Virginia. * WHEN...For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 10 AM to 8 PM EDT Friday. For the Heat Advisory, from 10 AM to 8 PM EDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.