Wind and Rain in the Northeast; Atmospheric River to Impact the West

A cold front will cross the Great Lakes and Northeast U.S. through today with gusty winds and areas of rain showers. A strong atmospheric river is then expected to move into the Northwest by midweek bringing a threat for moderate to heavy rainfall and flooding, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Partly Cloudy

54°F

12°C

Humidity	44%
Wind Speed	N 0 MPH
Barometer	29.99 in (1015.58 mb)
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Last update	03 Nov 02:53 PM MST

More Information:

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

Extended Forecast for

Ontario OR

This Afternoon
High: 58 °F
Mostly Cloudy
Tonight
Low: 41 °F
Chance
Showers
Tuesday
High: 59 °F
Chance
Showers
Tuesday Night
Low: 45 °F
Chance
Showers then
Mostly Cloudy
Wednesday
High: 60 °F
Chance
Showers
Wednesday Night
Low: 41 °F
Showers
Likely then
Chance
Showers
Thursday
High: 60 °F
Slight Chance
Showers
Thursday Night
Low: 45 °F
Showers
Friday
High: 57 °F
Showers
Likely then
Chance
Showers

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 58. Calm wind.

Tonight

A 50 percent chance of showers. Cloudy, with a low around 41. Calm wind.

Tuesday

A 30 percent chance of showers, mainly after 11am. Mostly cloudy, with a high near 59. Calm wind.

Tuesday Night

A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 45. Light east wind.

Wednesday

A 50 percent chance of showers, mainly after 11am. Cloudy, with a high near 60. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

Wednesday Night

Showers likely, mainly before 11pm. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

Thursday

A 20 percent chance of showers. Mostly sunny, with a high near 60.

Thursday Night

Showers, mainly after 11pm. Low around 45. Chance of precipitation is 80%.

Friday

Showers likely, mainly before 11am. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

Friday Night

A 20 percent chance of showers before 11pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 32.

Saturday

Patchy fog. Otherwise, mostly sunny, with a high near 54.