Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Partly Cloudy

91°F

33°C

Humidity 26%
Wind Speed E 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 22 Aug 02:55 PM MDT
Extended Forecast for

Payette ID

  • Tonight

    Tonight: Isolated showers and thunderstorms before 7pm.  Partly cloudy, with a low around 62. Light and variable wind becoming west northwest around 6 mph.  Chance of precipitation is 20%.

    Low: 62 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Calm wind becoming south around 5 mph.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. North wind around 5 mph becoming calm  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 94. Calm wind.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 62. Light and variable wind becoming west northwest around 6 mph. Chance of precipitation is 20%.
Sunday
Sunny and hot, with a high near 92. Calm wind becoming south around 5 mph.
Sunday Night
Partly cloudy, with a low around 58. North wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny and hot, with a high near 94. Calm wind.
Monday Night
Mostly cloudy, with a low around 61. Calm wind.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny and hot, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Mostly sunny and hot, with a high near 92.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny and hot, with a high near 91.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Payette ID
 44.08°N 116.92°W (Elev. 2165 ft)
2:05 pm MDT Aug 22, 2026
3pm MDT Aug 22, 2026-6pm MDT Aug 29, 2026
 
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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