Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

Lat: 44.01424°NLon: 117.00808°WElev: 2185.0ft.

Clear

75°F

24°C

Humidity 31%
Wind Speed NNE 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 05 Sep 06:53 PM MDT
Extended Forecast for

4 Miles WNW Weiser ID

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 50. Calm wind becoming northwest around 5 mph after midnight.

    Low: 50 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Isolated thunderstorms, then scattered showers and thunderstorms after 7pm.  Mostly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm  after midnight.  Chance of precipitation is 50%.

    Low: 49 °F

    Scattered
    Showers

  • Labor Day

    Labor Day: Scattered showers before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 70. West northwest wind 3 to 7 mph.  Chance of precipitation is 40%.

    High: 70 °F

    Scattered
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 50. Calm wind becoming northwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
Isolated thunderstorms, then scattered showers and thunderstorms after 7pm. Mostly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 50%.
Labor Day
Scattered showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 70. West northwest wind 3 to 7 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 46. Calm wind.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 55.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Weiser ID
 44.26°N 117.06°W (Elev. 2129 ft)
12:29 pm MDT Sep 5, 2026
7pm MDT Sep 5, 2026-6pm MDT Sep 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database