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 28%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 18 Oct 06:15 PM MDT
Extended Forecast for

19 Miles E Weiser ID

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Calm wind becoming east northeast around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers. Patchy fog before 3am. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Showers and
    Patchy Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Calm wind.
Monday
Sunny, with a high near 66. Light and variable wind.
Monday Night
Partly cloudy, with a low around 46. Calm wind becoming east northeast around 5 mph.
Tuesday
Mostly sunny, with a high near 65. Calm wind.
Tuesday Night
Partly cloudy, with a low around 46. Light and variable wind.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Thursday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Thursday Night
Showers. Patchy fog before 3am. Low around 40. Chance of precipitation is 80%.
Friday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 33.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 38.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles E Weiser ID
 44.21°N 116.59°W (Elev. 3415 ft)
Last Update:
2:41 pm MDT Oct 18, 2026
Forecast Valid:
6pm MDT Oct 18, 2026-6pm MDT Oct 25, 2026
 
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Additional Resources

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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