Cold Front to Move across the Pacific Northwest Through Tuesday; Storm Developing Over the Four Corners

A cold front will move across the Pacific Northwest on Tuesday, bringing low elevation rain and heavy mountain snow. This will be the first of several waves of unsettled weather to impact the region through this week. An upper level disturbance will contribute to development of a storm with rain and snow over the Four Corners. East of this storm, ice is possible from Nebraska to Wisconsin. Read More >

Current conditions at

EW7809 Rialto (E7809)

Lat: 34.12463°NLon: 117.40663°WElev: 1423ft.

NA

53°F

12°C

Humidity 82%
Wind Speed NA 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 21 Jan 01:15 AM PST
Extended Forecast for

Fontana CA

  • Overnight

    Overnight: Scattered showers.  Mostly cloudy, with a low around 46. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Scattered
    Showers

    Low: 46 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    Mostly Sunny

    High: 61 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm.

    Partly Cloudy

    Low: 44 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    Mostly Sunny

    High: 65 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 49. Light and variable wind becoming north 5 to 10 mph after midnight.

    Mostly Clear

    Low: 49 °F

  • Thursday

    Thursday: Sunny, with a high near 74.

    Sunny

    High: 74 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 51.

    Partly Cloudy

    Low: 51 °F

  • Friday

    Friday: Partly sunny, with a high near 74.

    Partly Sunny

    High: 74 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 50.

    Partly Cloudy

    Low: 50 °F

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly sunny, with a high near 61. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 65. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. Light and variable wind becoming north 5 to 10 mph after midnight.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A slight chance of showers. Partly sunny, with a high near 69.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 49.
Monday
A slight chance of showers. Partly sunny, with a high near 68.
Click Map For Forecast
Point Forecast:
Fontana CA
 34.1°N 117.43°W (Elev. 1296 ft)
8:14 pm PST Jan 20, 2020
2am PST Jan 21, 2020-6pm PST Jan 27, 2020
 
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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