National Weather Service

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SCN26-34: Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices: Effective May 6, 2026

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

45°F

7°C

Humidity	62%
Wind Speed	N 0 MPH
Barometer	29.99 in (1015.58 mb)
Dewpoint	33°F (1°C)
Visibility	10.00 mi
Last update	09 Apr 03:53 AM MDT

More Information:

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

Extended Forecast for

Ontario Municipal OR

Today
High: 72 °F
Sunny
Tonight
Low: 46 °F
Partly Cloudy
Friday
High: 68 °F
Slight Chance
T-storms then
Chance
Showers
Friday Night
Low: 49 °F
Showers
Likely
Saturday
High: 65 °F
Showers
Saturday Night
Low: 44 °F
Showers
Likely
Sunday
High: 56 °F
Showers
Sunday Night
Low: 39 °F
Chance
Showers
Monday
High: 58 °F
Chance
Showers

Detailed Forecast

Today

Sunny, with a high near 72. Light north northeast wind.

Tonight

Partly cloudy, with a low around 46. North northeast wind around 5 mph becoming calm after midnight.

Friday

A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Northwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers, with thunderstorms also possible after 3pm. High near 65. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers. High near 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 39.

Monday

A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 58.

Monday Night

Partly cloudy, with a low around 36.

Tuesday

Mostly sunny, with a high near 61.

Tuesday Night

Partly cloudy, with a low around 39.