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

48°F

9°C

Humidity 76%
Wind Speed W 10 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Apr 02:05 AM MDT
Extended Forecast for

Weiser ID

  • Overnight

    Overnight: Mostly clear, with a low around 42. North northeast wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 42. West southwest wind 12 to 17 mph becoming south 5 to 10 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers. High near 52. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. West southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 42. North northeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 76. Calm wind becoming north 5 to 8 mph in the afternoon.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 42. West southwest wind 12 to 17 mph becoming south 5 to 10 mph after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers. High near 52. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. West southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 64.
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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 21, 2026
Forecast Valid:
2am MDT Apr 21, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
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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