Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Watsonville, Watsonville Municipal Airport (KWVI)

Lat: 36.93944°NLon: 121.78889°WElev: 161.0ft.

Overcast

58°F

14°C

Humidity 93%
Wind Speed E 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 56°F (13°C)
Visibility 9.00 mi
Last update 18 Aug 12:53 AM PDT
Extended Forecast for

3 Miles NNW Castroville CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 69. Light west northwest wind becoming west 5 to 10 mph in the afternoon.

    High: 69 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58. Southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 58. West southwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. Light and variable wind.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 69. Light west northwest wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 58. Southwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 68. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 58. West southwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Mostly cloudy, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly cloudy, with a high near 66.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 57.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Castroville CA
 36.81°N 121.76°W (Elev. 10 ft)
12:46 am PDT Aug 18, 2026
1am PDT Aug 18, 2026-6pm PDT Aug 24, 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