National Weather Service Forecasts Thunderstorms and Snowfall in Northern California This Weekend
The National Weather Service predicts thunderstorms with heavy rain, hail, and possible weak tornadoes in the San Joaquin Valley and Northern Sacramento Valley this week. Moderate to heavy snowfall of up to 4 feet is expected along the Sierra Nevada mountain range over the weekend, with wind gusts up to 45 mph.
Usa TodayThe National Weather Service has forecasted a wave of thunderstorms and severe weather conditions for Northern California this week. Residents in the San Joaquin Valley and Northern Sacramento Valley may encounter sporadic thunderstorms, brief heavy rain, erratic winds, and hail.
These conditions are caused by low-pressure systems moving from the California coastline, carrying convective potential energy.
Along the Sierra Nevada mountain range, moderate to heavy snowfall is anticipated over the weekend. The National Weather Service advises travelers to check road conditions before departure, as roads may close or become slick due to the weather.
those traveling through the mountains, the National Weather Service recommends packing snow chains.
In the event of lightning or thunder, individuals outdoors should seek shelter indoors or in a protected area immediately. These measures aim to mitigate risks from the forecasted conditions.
The current weather arrives amid broader El Niño developments.
Key Facts
Story Timeline
3 events- This weekend
Moderate to heavy snowfall up to 4 feet expected along Sierra Nevada with gusts to 45 mph.
1 sourceUsa Today - This week
Thunderstorms with heavy rain, hail, and possible weak tornadoes forecasted for San Joaquin and Northern Sacramento Valleys.
1 sourceUsa Today - April 9, 2025
NOAA released report indicating 61% chance of El Niño by May-July 2026.
1 sourceUsa Today
Potential Impact
- 01
Heavy rainfall could increase flooding risks in California valleys this week.
- 02
Road closures or slick conditions may disrupt travel in Sierra Nevada over the weekend.
- 03
Stronger storms from El Niño could lead to landslides in West Coast areas.
- 04
Potential El Niño development may alter hurricane season patterns in Atlantic and Pacific.
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