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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Fortuna Rohnerville Airport (KFOT)

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

Partly Cloudy

59°F

15°C

Humidity 58%
Wind Speed NW 19 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 10 Oct 11:50 AM PDT
Extended Forecast for

Petrolia CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. Breezy, with a north northwest wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 45. North northwest wind 6 to 11 mph becoming light west northwest in the evening.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Sunny, with a high near 68. Light north northwest wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. North wind 9 to 14 mph becoming light east northeast in the evening.

    Low: 44 °F

    Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 69. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. North northwest wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. Breezy, with a north northwest wind 13 to 16 mph, with gusts as high as 26 mph.
Tonight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 45. North northwest wind 6 to 11 mph becoming light west northwest in the evening.
Sunday
Sunny, with a high near 68. Light north northwest wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Clear, with a low around 44. North wind 9 to 14 mph becoming light east northeast in the evening.
Columbus Day
Sunny, with a high near 69. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 44. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 76.
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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:
10:05 am PDT Oct 10, 2026
Forecast Valid:
12pm PDT Oct 10, 2026-6pm PDT Oct 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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