Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

46°F

8°C

Humidity	87%
Wind Speed	WSW 5 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Wind Chill	44°F (7°C)
Last update	05 Sep 04:00 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

15 Miles SSE Richland OR

Today
High: 67 °F
Sunny
Tonight
Low: 50 °F
Partly Cloudy
Sunday
High: 66 °F
Partly Sunny
Sunday Night
Low: 50 °F
Chance
Showers then
Showers
Labor Day
High: 58 °F
Showers then
Showers
Likely
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 66 °F
Sunny
Tuesday Night
Low: 51 °F
Partly Cloudy
Wednesday
High: 72 °F
Mostly Sunny

Detailed Forecast

Today

Sunny, with a high near 67. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

Tonight

Partly cloudy, with a low around 50. Light and variable wind becoming north northeast 5 to 7 mph in the evening.

Sunday

Partly sunny, with a high near 66. North northeast wind 5 to 9 mph becoming south southwest in the afternoon.

Sunday Night

A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 50. Northwest wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Labor Day

Showers. High near 58. West wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 66.

Tuesday Night

Partly cloudy, with a low around 51.

Wednesday

Mostly sunny, with a high near 72.

Wednesday Night

Partly cloudy, with a low around 55.

Thursday

Mostly sunny, with a high near 74.