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

Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Saturday

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into the Tennessee Valley Saturday. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys Saturday. Extreme heat will continue for the Intermountain West and Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

90°F

32°C

Humidity 24%
Wind Speed SE 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 11 Jul 01:20 PM MDT
Extended Forecast for

3 Miles NNW Payette ID

Heat Advisory July 11, 01:37pm until July 11, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 11, 01:37pm until July 11, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 67. South southeast wind 5 to 7 mph becoming calm.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds and hot, with a high near 96. Northwest wind 6 to 8 mph becoming north northeast in the afternoon.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 67. Northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny and hot, with a high near 98. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. Southeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 67. South southeast wind 5 to 7 mph becoming calm.
Sunday
Increasing clouds and hot, with a high near 96. Northwest wind 6 to 8 mph becoming north northeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 67. Northeast wind 5 to 7 mph becoming calm in the evening.
Monday
Partly sunny and hot, with a high near 98. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 70.
Tuesday
Partly sunny and hot, with a high near 96.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 66.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Payette ID
 44.12°N 116.93°W (Elev. 2192 ft)
Last Update:
12:29 pm MDT Jul 11, 2026
Forecast Valid:
1pm MDT Jul 11, 2026-6pm MDT Jul 17, 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