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.

Clear

93°F

34°C

Humidity 24%
Wind Speed ESE 10 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 22 Aug 04:00 PM MDT
Extended Forecast for

Weiser ID

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Sunny and hot, with a high near 99. South southeast wind around 5 mph.  Chance of precipitation is 20%.

    High: 99 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Partly cloudy, with a low around 63. South southeast wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 63 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 94. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. South wind around 5 mph becoming calm  after midnight.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 96. Light and variable wind.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Sunny and hot, with a high near 99. South southeast wind around 5 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 9pm. Partly cloudy, with a low around 63. South southeast wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Sunday
Sunny and hot, with a high near 94. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 59. South wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny and hot, with a high near 96. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny and hot, with a high near 97.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny and hot, with a high near 93.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny and hot, with a high near 92.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Weiser ID
 44.25°N 116.96°W (Elev. 2188 ft)
3:43 pm MDT Aug 22, 2026
4pm MDT Aug 22, 2026-6pm MDT Aug 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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