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

Areas of Excessive Rainfall and Extreme Heat; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding Tuesday. Hot to extremely hot temperatures are in place through Tuesday across much of the western U.S. and northern New England. Tropical Storm Erin is forecast to become a Major Hurricane by this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

UC MERCED WX STATION (UCMC1)

Lat: 37.36611°NLon: 120.4225°WElev: 252.0ft.

NA

92°F

33°C

Humidity 29%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Heat Index90°F (32°C)
Last update 11 Aug 07:15 PM PDT
Extended Forecast for

5 Miles NNE Merced CA

Heat Advisory August 11, 08:01pm until August 11, 11:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 11, 08:01pm until August 11, 11:00pm

    NOW until 11:00pm Mon

    Heat Advisory

  • Tonight

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94. West northwest wind 5 to 10 mph.

    High: 94 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 64. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 99. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 63. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 96. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 60. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 94. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Clear, with a low around 58. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 94. West northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 61. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 92. West wind around 5 mph.
Saturday Night
Mostly clear, with a low around 60. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 91. West northwest wind 5 to 10 mph.
Sunday Night
Clear, with a low around 60. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 92. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Merced CA
 37.35°N 120.44°W (Elev. 200 ft)
Last Update:
7:57 pm PDT Aug 11, 2025
Forecast Valid:
8pm PDT Aug 11, 2025-6pm PDT Aug 18, 2025
 
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