National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

HAWKEYE (HWKC1)

Lat: 38.73509°NLon: 122.83706°WElev: 2024.0ft.

NA

86°F

30°C

Humidity 28%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index84°F (29°C)
Last update 20 Mar 02:56 PM PDT
Extended Forecast for

2 Miles WSW Mercuryville CA

Heat Advisory March 20, 03:21pm until March 20, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory March 20, 03:21pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. North wind 13 to 21 mph, with gusts as high as 31 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. North northeast wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. West wind around 10 mph becoming north northwest in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 65. West wind 9 to 16 mph becoming north northeast in the evening. Winds could gust as high as 24 mph.
Saturday
Mostly sunny, with a high near 74. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 58. North wind 13 to 21 mph, with gusts as high as 31 mph.
Sunday
Sunny, with a high near 73. North northeast wind 6 to 9 mph becoming west southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 55. West wind around 10 mph becoming north northwest in the evening.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Mercuryville CA
 38.77°N 122.85°W (Elev. 2900 ft)
Last Update:
2:07 pm PDT Mar 20, 2026
Forecast Valid:
3pm PDT Mar 20, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation