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.

Rain

48°F

9°C

Humidity 81%
Wind Speed WSW 9 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 Apr 11:35 AM MDT
Extended Forecast for

Weiser ID

  • Today

    Today: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 54. Southwest wind around 6 mph becoming west northwest in the afternoon. Chance of precipitation is 50%.

    High: 54 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 36. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after midnight. Increasing clouds, with a low around 42. South southeast wind 5 to 7 mph becoming west northwest after midnight. Chance of precipitation is 60%.

    Low: 42 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 3pm. High near 53. South wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before midnight, then a chance of rain and snow showers. Some thunder is also possible. Low around 29. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 29 °F

    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of snow showers before noon, then a chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. 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

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 54. Southwest wind around 6 mph becoming west northwest in the afternoon. Chance of precipitation is 50%.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 36. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 59. Light and variable wind becoming south southwest 5 to 7 mph in the afternoon.
Tuesday Night
Showers likely, mainly after midnight. Increasing clouds, with a low around 42. South southeast wind 5 to 7 mph becoming west northwest after midnight. Chance of precipitation is 60%.
Wednesday
Showers, with thunderstorms also possible after 3pm. High near 53. South wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers before midnight, then a chance of rain and snow showers. Some thunder is also possible. Low around 29. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
A slight chance of snow showers before noon, then a chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. 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 29.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 65.
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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 am MDT Apr 13, 2026
Forecast Valid:
11am MDT Apr 13, 2026-6pm MDT Apr 19, 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