Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Fire Briefing

To view hazards legend: Stop the loop, step to the end, and use the alerts drop-down. View full radar page here.

Click here for a static hazards map.

Spot Forecasts

Spot Page

Grassland Fire Danger

Today

Tomorrow

Precipitation Forecast

1-Day Rainfall

2-Day Rainfall

3-Day Rainfall

Additional Weather Elements

(mouse over day or period to see map below)

Max Temperature	Day 1		Day 2		Day 3		Day 4		Day 5
Min Temperature	Day 1		Day 2		Day 3		Day 4		Day 5
Min RH	Day 1		Day 2		Day 3		Day 4		Day 5
Max RH	Day 1		Day 2		Day 3		Day 4		Day 5
Max Transport Winds	Day 1		Day 2		Day 3
Max Vent Rate	Day 1		Day 2		Day 3
Max Wind Gust	Period 1	Period 2	Period 3	Period 4	Period 5	Period 6	Period 7	Period 8	Period 9
Chance of Precip	Period 1	Period 2	Period 3	Period 4	Period 5	Period 6	Period 7	Period 8	Period 9
Recent Lightning	Yesterday	2 Days Ago	3 Days Ago	4 Days Ago	5 Days Ago	6 Days Ago	7 Days Ago	8 Days Ago
BH Snow Depth	Period 1	Period 2	Period 3	Period 4	Period 5	Period 6	Period 7