Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

Livermore, Livermore Municipal Airport (KLVK)

Lat: 37.69278°NLon: 121.81444°WElev: 397.0ft.

Clear

88°F

31°C

Humidity 31%
Wind Speed ENE 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 19 Mar 03:35 PM PDT
Extended Forecast for

4 Miles ESE Union City CA

Heat Advisory March 19, 03:46pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 03:46pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85. Northeast wind 5 to 9 mph becoming west in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. Southwest wind 6 to 8 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 52. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 64. North northwest wind 5 to 8 mph becoming northeast after midnight.
Friday
Sunny, with a high near 85. Northeast wind 5 to 9 mph becoming west in the afternoon.
Friday Night
Mostly clear, with a low around 59. Southwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 75. West northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 52. West southwest wind 8 to 13 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Union City CA
 37.58°N 121.93°W (Elev. 1017 ft)
2:37 pm PDT Mar 19, 2026
3pm PDT Mar 19, 2026-6pm PDT Mar 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