Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

SURPRISE VALLEY (SSYC1)

Lat: 41.62228° N Lon: 120.16144° W Elev: 4591.0 ft.

NA

28°F

-2°C

Humidity 89%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 13 Apr 04:39 AM PDT
Detailed forecast for

Surprise Valley California

Today
Partly cloudy. Slight chance of showers in the afternoon. Snow level rising to 6000 feet. Highs 50 to 60. West winds 10 to 15 mph.
Tonight
Partly cloudy in the evening then clearing. Lows 27 to 37. Northwest winds 10 to 15 mph.
Tuesday
Partly cloudy in the morning then clearing. Highs 57 to 67. Light winds becoming west 10 to 15 mph in the afternoon.
Tuesday Night
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows 33 to 38. West winds 10 to 20 mph. Gusts up to 30 mph in the evening.
Wednesday
Showers likely. Snow level rising above 6500 feet. Highs 55 to 65. Southwest winds around 10 mph with gusts up to 30 mph increasing to 20 to 30 mph with gusts up to 45 mph in the afternoon.
Wednesday Night
Breezy. Showers in the evening, then showers likely after midnight. Lows 22 to 32.
Thursday
Mostly cloudy in the morning then becoming partly cloudy. Chance of snow showers. Highs 42 to 52.
Thursday Night And Friday
Clear. Lows 20 to 30. Highs 51 to 61.
Friday Night And Saturday
Partly cloudy. Lows 27 to 37. Highs 58 to 68.
Saturday Night
Mostly cloudy. Lows 33 to 38.
Sunday
Breezy. Mostly cloudy. Chance of showers. Highs 59 to 69.



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231 AM PDT Mon Apr 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database