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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Fortuna Rohnerville Airport (KFOT)

Lat: 40.55296°NLon: 124.13338°WElev: 377.0ft.

Mostly Cloudy

46°F

8°C

Humidity 100%
Wind Speed SSE 4 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 27 Jan 10:35 PM PST
Extended Forecast for

4 Miles SE Petrolia CA

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 44. South southeast wind around 5 mph.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. South wind 5 to 7 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 43. South southeast wind 3 to 7 mph.

    Low: 43 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 4pm. Partly sunny, with a high near 63.

    High: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before 10pm, then a chance of rain after 10pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 44. South southeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 57. South wind 5 to 7 mph.
Wednesday Night
A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 43. South southeast wind 3 to 7 mph.
Thursday
Partly sunny, with a high near 59. Calm wind.
Thursday Night
Mostly cloudy, with a low around 44. Calm wind.
Friday
Partly sunny, with a high near 61. Calm wind.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
A slight chance of showers after 4pm. Partly sunny, with a high near 63.
Saturday Night
A slight chance of showers before 10pm, then a chance of rain after 10pm. Mostly cloudy, with a low around 47.
Sunday
Rain likely. Mostly cloudy, with a high near 57.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 45.
Monday
A slight chance of showers. Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Petrolia CA
 40.28°N 124.23°W (Elev. 538 ft)
Last Update:
5:53 pm PST Jan 27, 2026
Forecast Valid:
10pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation