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

36°F

2°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 19 Oct 06:55 AM MDT
Extended Forecast for

4 Miles S Weiser ID

  • Today

    Today: Sunny, with a high near 72. Calm wind.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Slight Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. Patchy fog before 10am. High near 66. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Calm wind.
Tonight
Mostly cloudy, with a low around 40. Calm wind.
Tuesday
Mostly sunny, with a high near 72. Calm wind.
Tuesday Night
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 74. Calm wind.
Wednesday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. Patchy fog before 10am. High near 66. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 34.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Weiser ID
 44.19°N 116.95°W (Elev. 2110 ft)
Last Update:
12:29 am MDT Oct 19, 2026
Forecast Valid:
7am MDT Oct 19, 2026-6pm MDT Oct 25, 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