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

Monsoons Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Sunday. The close proximity of Tropical Storm Humberto and a tropical wave (AL94) could lead to interaction between them, and details of their long-range track and intensity forecasts, and any potential impacts, are more uncertain than usual. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

54°F

12°C

Humidity 58%
Wind Speed W 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 25 Sep 01:00 AM MDT
Extended Forecast for

Payette ID

  • Overnight

    Overnight: Clear, with a low around 46. Calm wind.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Calm wind becoming west northwest 5 to 9 mph in the evening.

    Low: 49 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. West wind 7 to 9 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 45. North northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 45 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

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

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 85. Calm wind.
Thursday Night
Mostly clear, with a low around 49. Calm wind becoming west northwest 5 to 9 mph in the evening.
Friday
Sunny, with a high near 78. West wind 7 to 9 mph.
Friday Night
Clear, with a low around 45. North northwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 55.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 76.
Monday Night
Showers likely. Patchy fog. Otherwise, mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Tuesday
Showers likely. Areas of fog. Otherwise, mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 47.
Wednesday
A 30 percent chance of showers. Areas of fog. Otherwise, partly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Payette ID
 44.06°N 116.92°W (Elev. 2178 ft)
Last Update:
3:04 pm MDT Sep 24, 2025
Forecast Valid:
1am MDT Sep 25, 2025-6pm MDT Oct 1, 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