Station Name: MAXWELL C NR POPE VALLEY CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 551 feet

Nearest Address:
2458 Dollarhide Rd
Saint Helena, CA 94574
Napa County

GPS Coordinates: 38.61460278, -122.3459917

Nearby Water Temperatures

Extreme Cold Warning issued February 19 at 9:43PM PST until February 20 at 9:00AM PST by NWS San Francisco CA

Effective: Thu February 19, 2026, 9:43 PM
Expires: Fri February 20, 2026, 9:00 AM

* WHAT...Very cold conditions with sub-freezing temperatures in the mid-20s to low-30s expected. * WHERE...The East Bay Hills and Valleys, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, North Bay Interior Valleys, Eastern Santa Clara Hills, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...From 1 AM to 9 AM PST Friday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock.

Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers. Be sure to dress in layers if outdoors. Make sure that pets and livestock have adequate food, unfrozen water, and warmth. Cover or tend to sensitive crops, plants, and vegetation.

Cold Weather Advisory issued February 19 at 12:16PM PST until February 20 at 9:00AM PST by NWS Sacramento CA

Effective: Thu February 19, 2026, 12:16 PM
Expires: Fri February 20, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures between 20 and 32 degrees, coldest in the northern Sacramento Valley. * WHERE...Sacramento Valley. * WHEN...From midnight tonight to 9 AM PST Friday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Frost and freeze conditions could kill crops and other sensitive vegetation.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Take steps now to protect tender plants from the cold.

Freeze Warning issued February 19 at 12:16PM PST until February 20 at 9:00AM PST by NWS Sacramento CA

Effective: Thu February 19, 2026, 12:16 PM
Expires: Fri February 20, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures between 20 and 32 degrees, coldest in the northern Sacramento Valley. * WHERE...Sacramento Valley. * WHEN...From midnight tonight to 9 AM PST Friday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Frost and freeze conditions could kill crops and other sensitive vegetation.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Take steps now to protect tender plants from the cold.

Cold Weather Advisory issued February 19 at 9:43PM PST until February 20 at 9:00AM PST by NWS San Francisco CA

Effective: Thu February 19, 2026, 9:43 PM
Expires: Fri February 20, 2026, 9:00 AM

* WHAT...Cold conditions with temperatures in the low-to-mid 30s expected. * WHERE...The Marin Hills, Western Sonoma County Hills, Northern Monterey Bay, The Santa Cruz Mountains, The Santa Clara Valley, Coastal North Bay Including Point Reyes National Seashore, San Francisco Bay Shoreline, and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...From 1 AM to 9 AM PST Friday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken.

Ensure portable heaters are working properly and are used correctly to avoid sparking a fire indoors. Do not use generators or grills inside as carbon monoxide poisoning can result. Check with your local, city, or county officials for information on available warming centers. Be sure to dress in layers if outdoors. Make sure that pets and livestock have adequate food, unfrozen water, and warmth. Cover or tend to sensitive crops, plants, and vegetation.

Freeze Warning issued February 19 at 12:16PM PST until February 20 at 9:00AM PST by NWS Sacramento CA

Effective: Thu February 19, 2026, 12:16 PM
Expires: Fri February 20, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures of 28 to 32 degrees expected. * WHERE...Carquinez Strait and Delta and Northern San Joaquin Valley. * WHEN...From midnight tonight to 9 AM PST Friday. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation.

Take steps now to protect tender plants from the cold.