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

64°F

18°C

Humidity 23%
Wind Speed SE 11 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 18 Apr 03:53 PM MDT
Extended Forecast for

Weiser ID

  • Tonight

    Tonight: Mostly clear, with a low around 34. East southeast wind 5 to 7 mph becoming north northeast in the evening.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Northeast wind around 5 mph becoming calm in the morning.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 42. North northeast wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Northeast wind around 6 mph becoming calm in the morning.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. North northeast wind 3 to 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 34. East southeast wind 5 to 7 mph becoming north northeast in the evening.
Sunday
Mostly sunny, with a high near 69. Northeast wind around 5 mph becoming calm in the morning.
Sunday Night
Mostly cloudy, with a low around 42. North northeast wind around 6 mph.
Monday
Mostly sunny, with a high near 76. Northeast wind around 6 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 45. North northeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38.
Thursday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 38.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Weiser ID
 44.25°N 116.96°W (Elev. 2188 ft)
Last Update:
12:30 pm MDT Apr 18, 2026
Forecast Valid:
4pm MDT Apr 18, 2026-6pm MDT Apr 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