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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Fortuna Rohnerville Airport (KFOT)

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

Clear

54°F

12°C

Humidity 81%
Wind Speed WNW 12 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Last update 12 Jan 02:50 PM PST
Extended Forecast for

Petrolia CA

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly clear, with a low around 39. North northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Patchy Fog

  • Tuesday

    Tuesday: Sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Light north northeast wind.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 59. North wind around 6 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 42. Light northeast wind.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Calm wind.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 39. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 58. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 39. Light north northeast wind.
Wednesday
Sunny, with a high near 59. North wind around 6 mph.
Wednesday Night
Clear, with a low around 42. Light northeast wind.
Thursday
Sunny, with a high near 65. Calm wind.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 45.
M.L.King Day
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petrolia CA
 40.32°N 124.27°W (Elev. 197 ft)
Last Update:
1:10 pm PST Jan 12, 2026
Forecast Valid:
3pm PST Jan 12, 2026-6pm PST Jan 19, 2026
 
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Additional Resources

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