Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Fortuna Rohnerville Airport (KFOT)

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

Mostly Cloudy

59°F

15°C

Humidity 100%
Wind Speed WNW 17 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 59°F (15°C)
Visibility 9.00 mi
Last update 19 Aug 03:40 PM PDT
Extended Forecast for

Petrolia CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53. North wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 73. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 74. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 53. North wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 73. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 76.
Monday Night
Areas of fog. Otherwise, partly cloudy, with a low around 54.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 74.
Tuesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 54.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Petrolia CA
 40.33°N 124.3°W (Elev. 210 ft)
2:46 pm PDT Aug 19, 2026
4pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database