Heavy Rainfall and Severe Thunderstorm Threats; Record High Temperatures into the Weekend

Scattered showers and thunderstorms with the potential for isolated flash flooding and severe weather continue from the Intermountain West through the Plains into the weekend. This threat also extends into Florida as we are monitoring a disturbance in the Gulf of Mexico. Also, new record high temperatures are forecast for the Upper Midwest, Great Lakes and Northeast into the weekend. Read More >

Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191ft.

NA

62°F

17°C

Humidity 82%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Last update 31 May 06:00 PM PDT
Extended Forecast for

Fontana CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Mostly Cloudy

    Low: 54 °F

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 70. Light west wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    Decreasing
    Clouds

    High: 70 °F

  • Thursday
    Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, increasing clouds, with a low around 55. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Patchy Fog

    Low: 55 °F

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 75. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    Patchy Fog
    then Sunny

    High: 75 °F

  • Friday
    Night

    Friday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 55. Southwest wind 10 to 15 mph becoming light west  after midnight. Winds could gust as high as 25 mph.

    Patchy Fog

    Low: 55 °F

  • Saturday

    Saturday: Patchy fog before 11am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 81.

    Patchy Fog
    then Sunny

    High: 81 °F

  • Saturday
    Night

    Saturday Night: Patchy fog after 11pm.  Otherwise, mostly clear, with a low around 58.

    Patchy Fog

    Low: 58 °F

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 81.

    Patchy Fog
    then Sunny

    High: 81 °F

  • Sunday
    Night

    Sunday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 57.

    Patchy Fog

    Low: 57 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 70. Light west wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 55. West wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 75. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 55. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 25 mph.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 81.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 58.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 81.
Sunday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 57.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74.
Monday Night
A slight chance of showers and thunderstorms. Patchy fog. Otherwise, increasing clouds, with a low around 55.
Tuesday
Patchy fog. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 56.
Wednesday
Patchy fog. Otherwise, mostly cloudy, with a high near 74.
Click Map For Forecast
Point Forecast:
Fontana CA
 34.1°N 117.43°W (Elev. 1296 ft)
1:24 pm PDT May 31, 2023
7pm PDT May 31, 2023-6pm PDT Jun 7, 2023
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database