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

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Merced Regional Airport (KMCE)

Lat: 37.28306°NLon: 120.50778°WElev: 154.0ft.

Clear

73°F

23°C

Humidity 49%
Wind Speed NNW 4 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Sep 01:05 AM PDT
Extended Forecast for

Merced CA

Heat Advisory September 9, 10:00am until September 10, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 69. Northwest wind around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Northwest wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 102. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 97. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 69. Northwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 101. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 70. Northwest wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 102. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 68. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 97. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 64. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 89. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 60. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 86. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 59. Northwest wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merced CA
 37.28°N 120.46°W (Elev. 187 ft)
Last Update:
12:56 am PDT Sep 9, 2026
Forecast Valid:
1am PDT Sep 9, 2026-6pm PDT Sep 15, 2026
 
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Additional Resources

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