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

73°F

23°C

Humidity	18%
Wind Speed	NE 6 MPH
Barometer	29.92 in (1013.21 mb)
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Last update	09 Apr 05:05 PM MDT

More Information:

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

Extended Forecast for

Nyssa OR

Tonight
Low: 47 °F
Mostly Cloudy
Friday
High: 70 °F
Scattered
Showers
Friday Night
Low: 49 °F
Showers
Saturday
High: 65 °F
Showers then
Chance
Showers
Saturday Night
Low: 44 °F
Showers
Sunday
High: 57 °F
Showers
Sunday Night
Low: 41 °F
Showers
Likely
Monday
High: 56 °F
Chance
Showers
Monday Night
Low: 37 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 47. North northeast wind around 6 mph becoming calm in the evening.

Friday

Scattered showers, mainly after 9am. Partly sunny, with a high near 70. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

Friday Night

Showers and thunderstorms before 3am, then showers between 3am and 5am, then showers and possibly a thunderstorm after 5am. Low around 49. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then a chance of showers and thunderstorms after noon. High near 65. Light southeast wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 80%.

Saturday Night

Showers, mainly after 7pm. Low around 44. Southeast wind 5 to 7 mph becoming light and variable in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Showers. High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

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

Monday

A 50 percent chance of showers. Partly sunny, with a high near 56.

Monday Night

Mostly cloudy, with a low around 37.

Tuesday

Mostly sunny, with a high near 60.

Tuesday Night

Mostly cloudy, with a low around 41.

Wednesday

A 30 percent chance of showers. Mostly cloudy, with a high near 59.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 35.