Midwest Heavy Rain and Severe Storms; Poor Air Quality and Elevated Fire Threats In the Northwest; Hurricane Lane Rolls Through Central Pacific

An area of low pressure is expected to lift up through the Midwest and intensify, while producing possible excessive rainfall and severe storms across the Mississippi Valley into the Ohio/Tennessee Valleys. Smoke from wildfires will continue to create poor air quality across parts of Western region. Hurricane Lane continues to move west through the Central Pacific, well east-southeast of Hawaii. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125ft.

Smoke

50°F

10°C

Humidity 100%
Wind Speed calm
Barometer 29.85 in
Dewpoint 50°F (10°C)
Visibility 0.25 mi
Last update 20 Aug 3:35 am PDT
Extended Forecast for

Saint Helena CA

  • Overnight

    Overnight: Widespread haze. Mostly cloudy, with a low around 52. East southeast wind around 5 mph.

    Haze

    Low: 52 °F

  • Monday

    Monday: Widespread haze. Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Southeast wind 5 to 11 mph.

    Haze

    High: 91 °F

  • Monday
    Night

    Monday Night: Increasing clouds, with a low around 52. East wind 5 to 7 mph.

    Increasing
    Clouds

    Low: 52 °F

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 86. Southeast wind 7 to 10 mph becoming west southwest in the morning.

    Becoming
    Sunny

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 52. West southwest wind 6 to 11 mph becoming light and variable  in the evening.

    Mostly Clear

    Low: 52 °F

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    Sunny

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 52.

    Mostly Clear

    Low: 52 °F

  • Thursday

    Thursday: Sunny, with a high near 88.

    Sunny

    High: 88 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 51.

    Mostly Clear

    Low: 51 °F

Detailed Forecast

Overnight
Widespread haze. Mostly cloudy, with a low around 52. East southeast wind around 5 mph.
Monday
Widespread haze. Mostly cloudy through mid morning, then gradual clearing, with a high near 91. Southeast wind 5 to 11 mph.
Monday Night
Increasing clouds, with a low around 52. East wind 5 to 7 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 86. Southeast wind 7 to 10 mph becoming west southwest in the morning.
Tuesday Night
Mostly clear, with a low around 52. West southwest wind 6 to 11 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Saint Helena CA
 38.51°N 122.46°W (Elev. 203 ft)
2:34 am PDT Aug 20, 2018
3am PDT Aug 20, 2018-6pm PDT Aug 26, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database