National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

70°F

21°C

Humidity 32%
Wind Speed NNW 19 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 26 May 03:35 PM MDT
Extended Forecast for

Weiser ID

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 50. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming south around 5 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 9pm. Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 51. South wind 5 to 8 mph becoming calm in the evening.

    Low: 51 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Partly sunny, with a high near 73.

    High: 73 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 50. Northwest wind 10 to 15 mph becoming light north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming south around 5 mph.
Wednesday Night
A 40 percent chance of showers before 9pm. Mostly cloudy, with a low around 53. Calm wind.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 51. South wind 5 to 8 mph becoming calm in the evening.
Friday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 82.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48.
Saturday
A 20 percent chance of showers before noon. Partly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Weiser ID
 44.25°N 116.99°W (Elev. 2100 ft)
Last Update:
12:29 pm MDT May 26, 2026
Forecast Valid:
3pm MDT May 26, 2026-6pm MDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation