California Braces for Further Flooding and Heavy Sierra Snowfall

California is facing a continued barrage of storms this week, bringing threats of localized flooding, significant snowfall in the Sierra Nevada, and potential pass closures. Recent storms have already broken daily rainfall records, particularly in Los Angeles and the Bay Area, and the current weather pattern promises more challenges through Thursday.

Ongoing Flood Threat in Coastal Areas

A flood threat remains for millions across much of the California coast as another round of moisture moves inland from the Pacific Ocean. Monday’s storms shattered daily rainfall records, leading to widespread flooding. The risk of flash floods and mudslides is elevated, particularly in areas recently burned by wildfires.

Heavy Snowfall in the Sierra Nevada

Heavy snow is falling in the higher elevations of California, with up to 4 feet of snow possible in the southern California mountains by the end of the week. This snowfall is adding to the state’s snowpack, but likewise creating hazardous travel conditions and the potential for road closures, especially in the Sierra Nevada. Fox Weather reports that the heavy snow is expected to spread eastward into the Rockies.

Impact on Transportation

The winter storm has already wreaked havoc on roadways, from Sonoma County to the Sierra Nevada. Pass closures are likely as snowfall intensifies, disrupting travel plans for many. Motorists are advised to check road conditions before traveling and to be prepared for delays.

Atmospheric River Event

The storms are fueled by an atmospheric river, a concentrated band of moisture in the atmosphere. These events can bring intense rainfall and snowfall, leading to significant impacts.

Recent Storm Impacts (February 16, 2026)

• Motorists navigated rainfall in Pasadena, California.
• Flooding was observed in the Sawtelle neighborhood of Los Angeles.
• Flash flooding occurred on the I-405 Highway near Sawtelle.
• Lake Heavenly Resort in South Lake Tahoe received significant snowfall.

Looking Ahead

California residents should remain vigilant and prepared for continued hazardous weather conditions through Thursday. Stay informed about the latest forecasts and heed any warnings or advisories issued by local authorities. The additional snowfall is providing some relief to the record-low West Coast snowpack, but also presents significant challenges for travel and infrastructure.