Unsettled Weather Across the Northwest; Much Cooler for the East

A frontal system will bring rain and mountain snow from northern California into Washington today, before advancing into the Rockies and Intermountain West on Monday. Strong and gusty winds are also expected over parts of California and Nevada. Meanwhile, much cooler and more seasonable weather will return to the East Coast today as temperatures rebound from the southern Plains into the Midwest. Read More >

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Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185ft.

Clear

10°C

50°F

Humidity	47%
Wind Speed	N 0 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	-1°C (31°F)
Visibility	16 km
Last update	17 Oct 10:53 AM MDT

More Information:

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

Extended Forecast for

Ontario Municipal OR

Today

Mostly Sunny
High: 21 °C
Tonight

Mostly Cloudy
then Slight
Chance
Showers
Low: 8 °C
Monday

Chance
Showers
High: 17 °C
Monday
Night

Partly Cloudy
Low: 1 °C
Tuesday

Sunny
High: 18 °C
Tuesday
Night

Partly Cloudy
Low: 3 °C
Wednesday

Partly Sunny
then Slight
Chance
Showers
High: 18 °C
Wednesday
Night

Slight Chance
Showers then
Mostly Cloudy
Low: 6 °C
Thursday

Partly Sunny
High: 20 °C

Detailed Forecast

Today

Mostly sunny, with a high near 21. North northwest wind 8 to 10 km/h becoming southeast in the afternoon.

Tonight

A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 8. Calm wind becoming west northwest 5 to 10 km/h after midnight.

Monday

A 30 percent chance of showers, mainly before noon. Cloudy, with a high near 17. West northwest wind 13 to 18 km/h increasing to 24 to 29 km/h in the afternoon.

Monday Night

Partly cloudy, with a low around 1. West northwest wind 18 to 23 km/h decreasing to 5 to 10 km/h after midnight.

Tuesday

Sunny, with a high near 18. West wind 5 to 8 km/h becoming calm in the morning.

Tuesday Night

Partly cloudy, with a low around 3.

Wednesday

A 20 percent chance of showers after noon. Partly sunny, with a high near 18.

Wednesday Night

A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 6.

Thursday

Partly sunny, with a high near 20.