National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

WESTWOOD (WWDC1)

Lat: 40.30587°NLon: 120.90332°WElev: 6155.0ft.

NA

57°F

14°C

Humidity 45%
Wind Speed SSW 8 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 09 Apr 12:56 PM PDT
Extended Forecast for

4 Miles N Greenville CA

Winter Storm Watch April 11, 11:00am until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly before 5pm. Snow level 8800 feet. Partly sunny, with a high near 55. South wind around 10 mph, with gusts as high as 20 mph.

    High: 55 °F

    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Snow level 8700 feet lowering to 7900 feet after midnight . Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 40 °F

    Chance
    Showers

  • Friday

    Friday: Rain showers before 2pm, then rain and snow showers likely between 2pm and 5pm, then rain showers likely after 5pm. Some thunder is also possible. Snow level 7600 feet lowering to 6900 feet in the afternoon . High near 45. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Showers then
    Rain/Snow

  • Friday Night

    Friday Night: Rain showers before 8pm, then rain and snow showers between 8pm and 2am, then snow showers after 2am. Snow level 6900 feet lowering to 6200 feet after midnight . Low around 37. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Saturday

    Saturday: Snow showers before 2pm, then rain and snow showers. High near 38. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Showers
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: Snow showers. Low around 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 29 °F

    Snow Showers

  • Sunday

    Sunday: Snow showers. Some thunder is also possible. High near 35. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow Showers

  • Sunday Night

    Sunday Night: A chance of snow showers. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers. Partly sunny, with a high near 40.

    High: 40 °F

    Slight Chance
    Snow Showers

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly before 5pm. Snow level 8800 feet. Partly sunny, with a high near 55. South wind around 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Snow level 8700 feet lowering to 7900 feet after midnight . Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday
Rain showers before 2pm, then rain and snow showers likely between 2pm and 5pm, then rain showers likely after 5pm. Some thunder is also possible. Snow level 7600 feet lowering to 6900 feet in the afternoon . High near 45. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain showers before 8pm, then rain and snow showers between 8pm and 2am, then snow showers after 2am. Snow level 6900 feet lowering to 6200 feet after midnight . Low around 37. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Snow showers before 2pm, then rain and snow showers. High near 38. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow showers. Low around 29. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow showers. Some thunder is also possible. High near 35. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 30.
Monday
A slight chance of snow showers. Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greenville CA
 40.19°N 120.91°W (Elev. 6158 ft)
Last Update:
11:31 am PDT Apr 9, 2026
Forecast Valid:
1pm PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation