Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Merced / Castle Air Force Base (KMER)

Lat: 37.36667°NLon: 120.56667°WElev: 187.0ft.

Clear

N/A

Humidity NA
Wind Speed S 12 MPH
Barometer NA
Dewpoint N/A
Visibility 10.00 mi
Last update NA
Extended Forecast for

6 Miles W Merced CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. North wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 84 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming west northwest in the evening.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of rain, mainly after 11am.  Sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 53. South southwest wind 5 to 10 mph becoming northwest in the evening. Winds could gust as high as 15 mph.

    Low: 53 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of rain, then showers likely and possibly a thunderstorm after 11am.  Cloudy, with a high near 64. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm.  Mostly cloudy, with a low around 48. South wind 5 to 10 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Showers
    Likely then
    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 67. South southeast wind around 5 mph becoming west northwest in the afternoon.

    High: 67 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Northwest wind 5 to 10 mph.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 51. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming west northwest in the evening.
Monday
A 30 percent chance of rain, mainly after 11am. Sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 53. South southwest wind 5 to 10 mph becoming northwest in the evening. Winds could gust as high as 15 mph.
Tuesday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Cloudy, with a high near 64. South southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 48. South wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 67. South southeast wind around 5 mph becoming west northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 44. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 72. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly clear, with a low around 45. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 75. Northwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 48. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 78. West northwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Merced CA
 37.31°N 120.58°W (Elev. 148 ft)
4:56 pm PDT Apr 18, 2026
5pm PDT Apr 18, 2026-6pm PDT Apr 25, 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