Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

San Jose / Reid / Hillv (KRHV)

Lat: 37.33333°NLon: 121.81667°WElev: 135.0ft.

Clear

57°F

14°C

Humidity 82%
Wind Speed NW 4 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Mar 09:57 PM PDT
Extended Forecast for

Mount Hamilton CA

Heat Advisory March 16, 10:00am until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 50. North wind around 9 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. North wind around 9 mph, with gusts as high as 18 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North northeast wind 6 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. North wind around 6 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60. North northwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 50. North wind around 9 mph.
Sunday
Sunny, with a high near 76. North wind around 9 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 57. North northeast wind 6 to 8 mph.
Monday
Sunny, with a high near 84. North wind around 6 mph.
Monday Night
Clear, with a low around 60. North northwest wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny, with a high near 89.
Thursday Night
Clear, with a low around 63.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Hamilton CA
 37.35°N 121.64°W (Elev. 2398 ft)
1:34 am PDT Mar 15, 2026
2am PDT Mar 15, 2026-6pm PDT Mar 21, 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