Severe thunderstorms and heavy rain for portions of the southern U.S.

A storm system in the Ohio Valley will produce scattered severe thunderstorms and locally heavy rain stretching from the Southern Plains eastward through the Gulf Coast and Southeast on Thursday. Large hail and locally damaging winds will be the main threats. This activity will continue into Friday.
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Current conditions at

Ontario, Ontario International Airport (KONT)

Lat: 34.05333°NLon: 117.57583°WElev: 942ft.

Mostly Cloudy

66°F

19°C

Humidity 45%
Wind Speed SW 10 MPH
Barometer 29.84 in (1009.8 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 28 Apr 2:53 pm PDT
Extended Forecast for

2 Miles SW Rancho Cucamonga CA

  • This
    Afternoon

    This Afternoon: Isolated showers.  Mostly sunny, with a high near 68. Southwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    Isolated
    Showers

    High: 68 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Southwest wind 10 to 15 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Mostly Cloudy

    Low: 52 °F

  • Friday

    Friday: Mostly sunny, with a high near 73. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    Mostly Sunny

    High: 73 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 54. West wind 10 to 15 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 25 mph.

    Partly Cloudy

    Low: 54 °F

  • Saturday

    Saturday: Partly sunny, with a high near 72. Light west wind becoming southwest 5 to 10 mph in the afternoon.

    Partly Sunny

    High: 72 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers after 11pm.  Partly cloudy, with a low around 54.

    Slight Chance
    Showers

    Low: 54 °F

  • Sunday

    Sunday: A 20 percent chance of showers before 11am.  Mostly sunny, with a high near 73.

    Slight Chance
    Showers then
    Mostly Sunny

    High: 73 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 55.

    Mostly Clear

    Low: 55 °F

  • Monday

    Monday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

Detailed Forecast

This Afternoon
Isolated showers. Mostly sunny, with a high near 68. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 52. Southwest wind 10 to 15 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Friday
Mostly sunny, with a high near 73. Southeast wind 5 to 10 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 54. West wind 10 to 15 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 25 mph.
Saturday
Partly sunny, with a high near 72. Light west wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 54.
Sunday
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
A chance of showers. Mostly sunny, with a high near 70.
Click Map For Forecast
Point Forecast:
2 Miles SW Rancho Cucamonga CA
 34.1°N 117.59°W (Elev. 1224 ft)
1:08 pm PDT Apr 28, 2016
3pm PDT Apr 28, 2016-6pm PDT May 5, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database