Widespread Frost Concerns in the Ohio and Tennessee Valleys Tonight; A Few Thunderstorms in Southeast Florida Monday

Low temperatures into the 20s and 30s are likely to lead to frost and freeze concerns in the Ohio and Tennessee Valleys tonight into Monday. A few severe thunderstorms are possible Monday afternoon and evening over southeast Florida, with the primary threats being damaging winds and hail. Elevated to critical fire weather conditions are expected across Colorado and the Dakotas this week. Read More >

Current conditions at

Santa Rosa, Santa Rosa Sonoma County Airport (KSTS)

Lat: 38.5°NLon: 122.81667°WElev: 125.0ft.

Clear

54°F

12°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Apr 02:20 AM PDT
Extended Forecast for

Saint Helena CA

  • Overnight

    Overnight: Mostly clear, with a low around 55. Calm wind.

    Mostly Clear

    Low: 55 °F

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: Increasing clouds, with a low around 49. West northwest wind 3 to 7 mph.

    Increasing
    Clouds

    Low: 49 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. South southwest wind 3 to 7 mph.

    Mostly Sunny

    High: 69 °F

  • Tuesday
    Night

    Tuesday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 48. West southwest wind 5 to 8 mph becoming calm  in the evening.

    Mostly Clear
    then Patchy
    Fog

    Low: 48 °F

  • Wednesday

    Wednesday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 69.

    Patchy Fog
    then Mostly
    Sunny

    High: 69 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Partly Cloudy

    Low: 46 °F

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    Partly Sunny

    High: 71 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 48.

    Partly Cloudy

    Low: 48 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 55. Calm wind.
Monday
Sunny, with a high near 83. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 49. West northwest wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 69. South southwest wind 3 to 7 mph.
Tuesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 48. West southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 48.
Friday
A slight chance of rain after 11am. Mostly sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 74.
Click Map For Forecast
Point Forecast:
Saint Helena CA
 38.51°N 122.46°W (Elev. 203 ft)
1:26 am PDT Apr 22, 2024
2am PDT Apr 22, 2024-6pm PDT Apr 28, 2024
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database