Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

San Luis Reservoir (SLRCA)

Lat: 37.06°NLon: 121.07°WElev: 266.0ft.

NA

45°F

7°C

Humidity 97%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 20 Jan 04:59 PM PST
Extended Forecast for

12 Miles WNW Los Banos CA

  • Tonight

    Tonight: Patchy dense fog between 8pm and 2am.  Otherwise, cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog between 10am and 1pm.  Otherwise, cloudy, with a high near 57. Calm wind.

    High: 57 °F

    Patchy Dense
    Fog

  • Wednesday Night

    Wednesday Night: Patchy dense fog before 9pm, then patchy dense fog after 5am.  Otherwise, cloudy, with a low around 47. Calm wind becoming west around 5 mph.

    Low: 47 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before 10am.  Otherwise, mostly cloudy, with a high near 60. Calm wind becoming north around 5 mph.

    High: 60 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Patchy dense fog between midnight and 2am.  Otherwise, mostly cloudy, with a low around 45. West southwest wind around 5 mph.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Friday

    Friday: Mostly sunny, with a high near 59. West wind around 5 mph becoming north northwest in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. West wind around 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. West northwest wind around 5 mph becoming north northeast in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northwest wind around 5 mph becoming calm.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy dense fog between 8pm and 2am. Otherwise, cloudy, with a low around 40. Calm wind.
Wednesday
Patchy dense fog between 10am and 1pm. Otherwise, cloudy, with a high near 57. Calm wind.
Wednesday Night
Patchy dense fog before 9pm, then patchy dense fog after 5am. Otherwise, cloudy, with a low around 47. Calm wind becoming west around 5 mph.
Thursday
Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 60. Calm wind becoming north around 5 mph.
Thursday Night
Patchy dense fog between midnight and 2am. Otherwise, mostly cloudy, with a low around 45. West southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 59. West wind around 5 mph becoming north northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 43. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 58. West northwest wind around 5 mph becoming north northeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 40. Northwest wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 58. Calm wind becoming east around 5 mph.
Sunday Night
Mostly cloudy, with a low around 41. Calm wind.
Monday
Partly sunny, with a high near 59. Calm wind becoming east northeast around 5 mph.
Monday Night
Mostly cloudy, with a low around 41. Calm wind.
Tuesday
Partly sunny, with a high near 59. Calm wind becoming east around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Los Banos CA
 37.1°N 121.04°W (Elev. 184 ft)
4:56 pm PST Jan 20, 2026
5pm PST Jan 20, 2026-6pm PST Jan 27, 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