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 >
Last Update: 358 AM CST Wed Dec 24 2025
For More Weather Information:
10NM SW Grand Portage MN
Marine Zone Forecast
Today
South wind 5 to 10 knots becoming west in the afternoon. Chance of flurries in the morning. Waves 1 to 2 feet.
Tonight
North wind 10 to 15 knots. Gusts up to 20 knots. Partly cloudy. Waves 1 to 2 feet.
Thursday
Northeast wind 15 to 20 knots with gusts to around 25 knots becoming east with gusts to around 25 knots late in the afternoon. Chance of snow in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. A small craft advisory may be needed.
Thursday Night
Southeast wind 15 to 20 knots. Gusts up to 25 knots. Snow. Waves 4 to 6 feet. Waves occasionally to 8 feet. A small craft advisory may be needed.
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