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

Significant Outbreak Of Severe Thunderstorms And Heavy Rain In The Plains Monday

A potent spring storm system is expected to produce severe thunderstorms on Monday in the central and southern Plains. Very large hail, damaging wind gusts, flash flooding, and large tornadoes are possible. The area most likely to experience significant tornadoes stretches from the Texas Hill Country through Oklahoma into southern Kansas. Residents should review severe weather safety here -> Read More >

Current conditions at

Fontana-Arrow Highway (CQ057)

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

NA

60°F

16°C

Humidity 60%
Wind Speed WSW 13 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 19 May 6:00 pm
Extended Forecast for

Fontana CA

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 50. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 50 °F

  • Monday

    Monday: A slight chance of showers before 11am. Mostly sunny, with a high near 66. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Mostly Sunny

    High: 66 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 53. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Mostly Cloudy

    Low: 53 °F

  • Tuesday

    Tuesday: A chance of showers after 11am. Mostly cloudy, with a high near 62. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 62 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 51. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    Low: 51 °F

  • Wednesday

    Wednesday: A slight chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 66 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

    Slight Chance
    Showers

    Low: 52 °F

  • Thursday

    Thursday: A slight chance of showers. Partly sunny, with a high near 68.

    Slight Chance
    Showers

    High: 68 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers before 11pm. Partly cloudy, with a low around 53.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 53 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 50. Southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers before 11am. Mostly sunny, with a high near 66. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 53. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers after 11am. Mostly cloudy, with a high near 62. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 51. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Partly sunny, with a high near 68.
Thursday Night
A slight chance of showers before 11pm. Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A slight chance of showers. Partly sunny, with a high near 69.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53.
Sunday
A chance of showers. Mostly sunny, with a high near 69.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Fontana CA
 34.1°N 117.45°W (Elev. 1240 ft)
Last Update:
1:11 pm PDT May 19, 2019
Forecast Valid:
7pm PDT May 19, 2019-6pm PDT May 26, 2019
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation