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

Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

haze

77°F

25°C

Humidity 50%
Wind Speed N 0 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Heat Index79°F (26°C)
Last update 07 Aug 10:00 PM MDT
Extended Forecast for

8 Miles SW Midvale ID

Heat Advisory August 7, 10:28pm until August 8, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 7, 10:28pm until August 8, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • Tonight

    Low: 68 °F

    Smoke

  • Saturday

    Saturday: Areas of smoke. Sunny and hot, with a high near 99. North northeast wind 5 to 7 mph becoming light and variable.

    High: 99 °F

    Areas Smoke

  • Saturday Night

    Saturday Night: Widespread smoke, mainly between 7pm and 9pm. Mostly clear, with a low around 64. North northwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 64 °F

    Smoke

  • Sunday

    Sunday: Areas of smoke before 4pm. Sunny and hot, with a high near 95. Northeast wind around 5 mph becoming light and variable in the morning.

    High: 95 °F

    Areas Smoke

  • Sunday Night

    Sunday Night: Patchy smoke. Mostly clear, with a low around 64. Light and variable wind becoming north northeast 5 to 8 mph in the evening.

    Low: 64 °F

    Patchy Smoke

  • Monday

    Monday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Monday Night

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

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

Detailed Forecast

Tonight
Widespread smoke, mainly before midnight. Mostly clear, with a low around 68. North wind 3 to 8 mph.
Saturday
Areas of smoke. Sunny and hot, with a high near 99. North northeast wind 5 to 7 mph becoming light and variable.
Saturday Night
Widespread smoke, mainly between 7pm and 9pm. Mostly clear, with a low around 64. North northwest wind 6 to 9 mph, with gusts as high as 21 mph.
Sunday
Areas of smoke before 4pm. Sunny and hot, with a high near 95. Northeast wind around 5 mph becoming light and variable in the morning.
Sunday Night
Patchy smoke. Mostly clear, with a low around 64. Light and variable wind becoming north northeast 5 to 8 mph in the evening.
Monday
Sunny and hot, with a high near 93.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny and hot, with a high near 94.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny and hot, with a high near 91.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SW Midvale ID
 44.4°N 116.84°W (Elev. 3127 ft)
Last Update:
12:29 pm MDT Aug 7, 2026
Forecast Valid:
10pm MDT Aug 7, 2026-6pm MDT Aug 14, 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