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
Easter Weather History

Current conditions at

Ontario Municipal Airport (KONO)

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

Overcast

52°F

11°C

Humidity	76%
Wind Speed	N 0 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	31 Mar 02:35 PM MDT

More Information:

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

Extended Forecast for

Weiser ID

This Afternoon
High: 59 °F
Showers
Tonight
Low: 40 °F
Showers then
Chance
Showers and
Patchy Fog
Wednesday
High: 57 °F
Showers
Likely and
Patchy Fog
Wednesday Night
Low: 37 °F
Showers
Thursday
High: 52 °F
Chance
Showers
Thursday Night
Low: 31 °F
Mostly Clear
Friday
High: 58 °F
Sunny
Friday Night
Low: 33 °F
Mostly Clear
Saturday
High: 63 °F
Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 59. Light and variable wind becoming north around 6 mph. Chance of precipitation is 80%.

Tonight

Showers and possibly a thunderstorm before 9pm, then a chance of showers. Patchy fog after 2am. Low around 40. North northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely, mainly after 9am. Patchy fog before 7am. Otherwise, cloudy, with a high near 57. Calm wind becoming south southeast 5 to 9 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Showers and possibly a thunderstorm. Low around 37. Southeast wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

A 30 percent chance of showers. Mostly cloudy, with a high near 52. West southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

Thursday Night

Mostly clear, with a low around 31.

Friday

Sunny, with a high near 58.

Friday Night

Mostly clear, with a low around 33.

Saturday

Sunny, with a high near 63.

Saturday Night

Mostly clear, with a low around 38.

Sunday

Mostly sunny, with a high near 68.