Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

haze

63°F

17°C

Humidity 48%
Wind Speed W 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 43°F (6°C)
Visibility 2.00 mi
Last update 28 Jul 07:05 AM MDT
Extended Forecast for

8 Miles W Weiser ID

  • Today

    Today: Widespread smoke, mainly after noon. Sunny and hot, with a high near 99. West wind 5 to 7 mph becoming southeast in the afternoon.

    High: 99 °F

    Smoke

  • Tonight

    Tonight: Widespread smoke, mainly before 4am. Mostly clear, with a low around 67. Southeast wind 8 to 13 mph becoming west northwest in the evening. Winds could gust as high as 23 mph.

    Low: 67 °F

    Smoke

  • Wednesday

    Wednesday: Areas of smoke before 7am. Sunny and hot, with a high near 100. West wind 5 to 9 mph becoming light and variable  in the afternoon.

    High: 100 °F

    Areas Smoke
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. South wind 7 to 9 mph becoming west northwest in the evening. Winds could gust as high as 20 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. West southwest wind 5 to 7 mph becoming calm.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 104.

    High: 104 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 69.

    Low: 69 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 104.

    High: 104 °F

    Hot

Detailed Forecast

Today
Widespread smoke, mainly after noon. Sunny and hot, with a high near 99. West wind 5 to 7 mph becoming southeast in the afternoon.
Tonight
Widespread smoke, mainly before 4am. Mostly clear, with a low around 67. Southeast wind 8 to 13 mph becoming west northwest in the evening. Winds could gust as high as 23 mph.
Wednesday
Areas of smoke before 7am. Sunny and hot, with a high near 100. West wind 5 to 9 mph becoming light and variable in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. South wind 7 to 9 mph becoming west northwest in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny and hot, with a high near 102. West southwest wind 5 to 7 mph becoming calm.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny and hot, with a high near 104.
Friday Night
Clear, with a low around 69.
Saturday
Sunny and hot, with a high near 104.
Saturday Night
Mostly clear, with a low around 62. Breezy.
Sunday
Sunny and hot, with a high near 92. Breezy.
Sunday Night
Clear, with a low around 59.
Monday
Sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Weiser ID
 44.26°N 117.12°W (Elev. 2198 ft)
12:30 am MDT Jul 28, 2026
7am MDT Jul 28, 2026-6pm MDT Aug 3, 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