Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Flooding and Severe Weather Risk Continues This Weekend

More heavy rain will exacerbate flooding in the central and southern U.S. this weekend. In addition, over portions of the Mississippi, Ohio, and Tennessee Valleys, severe thunderstorms are expected. Some storms may produce large hail, damaging winds, and tornadoes. Meanwhile, snow and ice will again affect the Cascades, northern Rockies, upper Midwest, and New England through Sunday. Read More >

Current conditions at

SANTA FE DAM (STFC1)

Lat: 34.126139°NLon: 117.947169°WElev: 500ft.

NA

8°C

47°F

Humidity 45%
Wind Speed NE 5 G 11 MPH
Barometer NA
Dewpoint -3°C (27°F)
Visibility NA
Wind Chill7°C (45°F)
Last update 21 Feb 10:57 pm PST
Extended Forecast for

Diamond Bar CA

  • This
    Afternoon

    This Afternoon: Sunny, with a high near 18. East northeast wind 10 to 15 km/h becoming southwest. Winds could gust as high as 20 km/h.

    Sunny

    High: 18 °C

  • Tonight

    Tonight: Mostly clear, with a low around 5. Calm wind.

    Mostly Clear

    Low: 5 °C

  • Monday

    Monday: Partly sunny, with a high near 14. Breezy, with a light and variable wind becoming west southwest 15 to 20 km/h in the morning. Winds could gust as high as 30 km/h.

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

    High: 14 °C

  • Monday
    Night

    Monday Night: A chance of showers, with thunderstorms also possible after 4am.  Mostly cloudy, with a low around 4. Southwest wind 5 to 10 km/h, with gusts as high as 15 km/h.  Chance of precipitation is 50%.

    Chance
    Showers

    Low: 4 °C

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a slight chance of showers.  Partly sunny, with a high near 13. East southeast wind 5 to 10 km/h becoming west southwest in the afternoon. Winds could gust as high as 15 km/h.  Chance of precipitation is 50%.

    Chance
    Showers then
    Slight Chance
    Showers

    High: 13 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 4.

    Partly Cloudy

    Low: 4 °C

  • Wednesday

    Wednesday: Sunny, with a high near 16.

    Sunny

    High: 16 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 8.

    Partly Cloudy

    Low: 8 °C

  • Thursday

    Thursday: A chance of rain.  Mostly cloudy, with a high near 15.

    Chance Rain

    High: 15 °C

Detailed Forecast

This Afternoon
Sunny, with a high near 18. East northeast wind 10 to 15 km/h becoming southwest. Winds could gust as high as 20 km/h.
Tonight
Mostly clear, with a low around 5. Calm wind.
Monday
Partly sunny, with a high near 14. Breezy, with a light and variable wind becoming west southwest 15 to 20 km/h in the morning. Winds could gust as high as 30 km/h.
Monday Night
A chance of showers, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 4. Southwest wind 5 to 10 km/h, with gusts as high as 15 km/h. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms before 10am, then a slight chance of showers. Partly sunny, with a high near 13. East southeast wind 5 to 10 km/h becoming west southwest in the afternoon. Winds could gust as high as 15 km/h. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Sunny, with a high near 16.
Wednesday Night
Partly cloudy, with a low around 8.
Thursday
A chance of rain. Mostly cloudy, with a high near 15.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 8.
Friday
A chance of rain. Partly sunny, with a high near 15.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 7.
Saturday
A slight chance of showers. Mostly sunny, with a high near 18.
Click Map For Forecast
Point Forecast:
Diamond Bar CA
 34°N 117.82°W (Elev. 309 m)
6:10 am PST Feb 25, 2018
12pm PST Feb 25, 2018-6pm PST Mar 3, 2018
 
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