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.

Mostly Cloudy

43°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 Apr 02:30 AM MDT
Extended Forecast for

Weiser ID

  • Overnight

    Overnight: A 20 percent chance of showers before 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 35. Light west northwest wind.

    Low: 35 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 3am. Increasing clouds, with a low around 41. South southeast wind 5 to 7 mph becoming north in the evening. Chance of precipitation is 70%.

    Low: 41 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 3pm. High near 52. South wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before midnight. Mostly cloudy, with a low around 28. Northwest wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 28 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: A chance of snow showers before 3pm, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 48. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 48 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 35. Light west northwest wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 58. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Showers likely, mainly after 3am. Increasing clouds, with a low around 41. South southeast wind 5 to 7 mph becoming north in the evening. Chance of precipitation is 70%.
Wednesday
Showers, with thunderstorms also possible after 3pm. High near 52. South wind 8 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely before midnight. Mostly cloudy, with a low around 28. Northwest wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Thursday
A chance of snow showers before 3pm, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 48. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 67.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weiser ID
 44.25°N 116.96°W (Elev. 2188 ft)
Last Update:
12:29 am MDT Apr 14, 2026
Forecast Valid:
2am MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation