Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806°NLon: 124.10861°WElev: 217.0ft.

Overcast

55°F

13°C

Humidity 93%
Wind Speed S 5 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 19 Aug 01:00 AM PDT
Extended Forecast for

Trinidad CA

  • Overnight

    Overnight: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 68 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

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

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am.  Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 65 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 53. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 53. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Friday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 65. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 54.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 63.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Patchy fog. Otherwise, mostly cloudy, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Trinidad CA
 41.06°N 124.13°W (Elev. 305 ft)
2:10 pm PDT Aug 18, 2026
1am PDT Aug 19, 2026-6pm PDT Aug 25, 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