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

50°F

10°C

Humidity 76%
Wind Speed W 3 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Apr 12:35 AM MDT
Extended Forecast for

Weiser ID

  • Overnight

    Overnight: Showers likely, mainly after 5am. Increasing clouds, with a low around 43. North northeast wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 56. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 39. South southwest wind 5 to 9 mph becoming east southeast in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before noon. Mostly cloudy, with a high near 55. South southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Northwest wind 3 to 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers. High near 52. Chance of precipitation is 100%.

    High: 52 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers likely before 3am, then a slight chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Showers
    Likely then
    Slight Chance
    Rain/Snow

Detailed Forecast

Overnight
Showers likely, mainly after 5am. Increasing clouds, with a low around 43. North northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 56. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 39. South southwest wind 5 to 9 mph becoming east southeast in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Monday
Showers likely, mainly before noon. Mostly cloudy, with a high near 55. South southeast wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy, with a low around 36. Northwest wind 3 to 6 mph.
Tuesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 60.
Tuesday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 41.
Wednesday
Showers. High near 52. Chance of precipitation is 100%.
Wednesday Night
Rain showers likely before 3am, then a slight chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Thursday
A chance of snow showers before 3pm, then a chance of rain showers. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 60.
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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:
12:32 am MDT Apr 12, 2026
Forecast Valid:
12am MDT Apr 12, 2026-6pm MDT Apr 18, 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