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.

Overcast

54°F

12°C

Humidity 50%
Wind Speed N 9 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 30 Mar 03:35 PM MDT
Extended Forecast for

Weiser ID

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 56. North wind 10 to 13 mph.

    High: 56 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 36. North wind 8 to 13 mph becoming light after midnight. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog between 11am and noon. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 56 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 39. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 39 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after noon. Areas of fog before 9am. High near 56. Light south southeast wind becoming south 6 to 11 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Chance
    Showers and
    Areas Fog
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 37. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon. High near 52. Chance of precipitation is 80%.

    High: 52 °F

    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 56. North wind 10 to 13 mph.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 36. North wind 8 to 13 mph becoming light after midnight. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog between 11am and noon. Otherwise, mostly cloudy, with a high near 56. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 39. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after noon. Areas of fog before 9am. High near 56. Light south southeast wind becoming south 6 to 11 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 37. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers, with thunderstorms also possible after noon. High near 52. Chance of precipitation is 80%.
Thursday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 29.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 69.
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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:
12:30 pm MDT Mar 30, 2026
Forecast Valid:
3pm MDT Mar 30, 2026-6pm MDT Apr 6, 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