National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Excessive Rainfall from Southwest U.S. Monsoons; Monitoring Tropical Cyclone Formation Which Could Impact the Southeast U.S.

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding today into Sunday. Tropical wave (AL94) is likely to become a depression by late Friday or over this weekend in the vicinity of the Bahamas. Significant uncertainty remains in the track and intensity, but chances for impacts to the southeast U.S. coast are increasing. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

64°F

18°C

Humidity 52%
Wind Speed N 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 25 Sep 09:00 PM MDT
Extended Forecast for

Weiser ID

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southwest wind 5 to 9 mph becoming west northwest after midnight.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. West northwest wind 6 to 10 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Northwest wind 3 to 7 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 48. Calm wind becoming northeast around 6 mph in the evening.

    Low: 48 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Southwest wind 5 to 9 mph becoming west northwest after midnight.
Friday
Sunny, with a high near 77. West northwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 45. Northwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 79. Light and variable wind.
Saturday Night
Clear, with a low around 48. Calm wind becoming northeast around 6 mph in the evening.
Sunday
Sunny, with a high near 83.
Sunday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 55.
Monday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms, then showers likely after midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 66.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 68.
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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:
3:04 pm MDT Sep 25, 2025
Forecast Valid:
9pm MDT Sep 25, 2025-6pm MDT Oct 2, 2025
 
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