National Weather Service

News Headlines

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.

Partly Cloudy

64°F

18°C

Humidity	45%
Wind Speed	W 13 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Last update	10 Apr 01:35 PM MDT

More Information:

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

Extended Forecast for

Weiser ID

This Afternoon
High: 70 °F
Slight Chance
Showers
Tonight
Low: 46 °F
Showers
Saturday
High: 65 °F
Showers
Likely
Saturday Night
Low: 44 °F
Chance
Showers
Sunday
High: 58 °F
Showers
Sunday Night
Low: 40 °F
Showers
Likely
Monday
High: 56 °F
Showers
Likely
Monday Night
Low: 35 °F
Slight Chance
Showers then
Partly Cloudy
Tuesday
High: 60 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Partly sunny, with a high near 70. West southwest wind 3 to 6 mph. Chance of precipitation is 20%.

Tonight

Showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Low around 46. Light and variable wind becoming east northeast 10 to 15 mph. Winds could gust as high as 41 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers and thunderstorms likely, mainly before 3pm. Partly sunny, with a high near 65. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 60%.

Saturday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 44. South wind 5 to 8 mph becoming light and variable in the evening.

Sunday

Showers, with thunderstorms also possible after 3pm. High near 58. Light and variable wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Night

A 20 percent chance of showers before midnight. Partly cloudy, with a low around 35.

Tuesday

Mostly sunny, with a high near 60.

Tuesday Night

A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 40.

Wednesday

Showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

Wednesday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 30.

Thursday

Mostly sunny, with a high near 52.