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Heavy Rain and Potential for Flash Flooding

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Current conditions at

Ontario International Airport (KONT)

Lat: 34.05316°NLon: 117.57685°WElev: 906ft.

A Few Clouds

91°F

33°C

Humidity 32%
Wind Speed W 16 MPH
Barometer 29.87 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 27 Jul 4:35 pm PDT
Extended Forecast for

2 Miles SW Rancho Cucamonga CA

  • Tonight

    Tonight: Mostly clear, with a low around 67. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Mostly Clear

    Low: 67 °F

  • Friday

    Friday: Sunny, with a high near 90. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    Sunny

    High: 90 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 66. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Mostly Clear

    Low: 66 °F

  • Saturday

    Saturday: Sunny, with a high near 90. Light south wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    Sunny

    High: 90 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 66. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Partly Cloudy

    Low: 66 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 89.

    Mostly Sunny

    High: 89 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 68.

    Partly Cloudy

    Low: 68 °F

  • Monday

    Monday: A slight chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 90.

    Slight Chance
    T-storms

    High: 90 °F

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 69.

    Slight Chance
    T-storms

    Low: 69 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 90. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 66. West wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 90. Light south wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 66. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 68.
Monday
A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 90.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A slight chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 94.
Click Map For Forecast
Point Forecast:
2 Miles SW Rancho Cucamonga CA
 34.1°N 117.59°W (Elev. 1224 ft)
1:26 pm PDT Jul 27, 2017
5pm PDT Jul 27, 2017-6pm PDT Aug 3, 2017
 
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