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.

Overcast

52°F

11°C

Humidity	93%
Wind Speed	E 3 MPH
Barometer	29.76 in (1007.79 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	11 Apr 05:05 AM MDT

More Information:

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

Extended Forecast for

Ontario Municipal OR

Overnight
Low: 48 °F
Isolated
Showers
Saturday
High: 65 °F
Chance
Showers
Saturday Night
Low: 45 °F
Showers
Likely
Sunday
High: 56 °F
Showers
Sunday Night
Low: 41 °F
Showers
Likely
Monday
High: 57 °F
Showers
Likely
Monday Night
Low: 37 °F
Mostly Cloudy
Tuesday
High: 62 °F
Mostly Sunny
Tuesday Night
Low: 42 °F
Mostly Cloudy
then Slight
Chance
Showers

Detailed Forecast

Overnight

Isolated showers. Mostly cloudy, with a low around 48. South wind around 5 mph. Chance of precipitation is 20%.

Saturday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 65. South southeast wind 3 to 7 mph. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 45. South wind around 6 mph becoming calm. Chance of precipitation is 60%.

Sunday

Showers, with thunderstorms also possible after noon. High near 56. Light west southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. South wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Showers likely, mainly before noon. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.

Monday Night

Mostly cloudy, with a low around 37.

Tuesday

Mostly sunny, with a high near 62.

Tuesday Night

A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42.

Wednesday

Showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%.

Wednesday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 32.