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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

haze

86°F

30°C

Humidity 42%
Wind Speed S 4 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 61°F (16°C)
Visibility 4.00 mi
Heat Index86°F (30°C)
Last update 29 Jul 08:00 PM MDT
Extended Forecast for

Weiser ID

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 65. Light and variable wind becoming north northwest 5 to 7 mph.

    Low: 65 °F

    Areas Smoke

  • Thursday

    Thursday: Patchy smoke. Sunny and hot, with a high near 100. Light and variable wind.

    High: 100 °F

    Patchy Smoke

  • Thursday Night

    Thursday Night: Areas of smoke. Mostly clear, with a low around 65. Southeast wind around 5 mph becoming light and variable after midnight.

    Low: 65 °F

    Areas Smoke

  • Friday

    Friday: Patchy smoke. Sunny and hot, with a high near 103. Light and variable wind.

    High: 103 °F

    Patchy Smoke

  • Friday Night

    Friday Night: Patchy smoke. Clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Patchy Smoke

  • Saturday

    Saturday: Areas of smoke before noon. Sunny and hot, with a high near 100.

    High: 100 °F

    Areas Smoke
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

Tonight
Areas of smoke. Mostly clear, with a low around 65. Light and variable wind becoming north northwest 5 to 7 mph.
Thursday
Patchy smoke. Sunny and hot, with a high near 100. Light and variable wind.
Thursday Night
Areas of smoke. Mostly clear, with a low around 65. Southeast wind around 5 mph becoming light and variable after midnight.
Friday
Patchy smoke. Sunny and hot, with a high near 103. Light and variable wind.
Friday Night
Patchy smoke. Clear, with a low around 65. Light and variable wind.
Saturday
Areas of smoke before noon. Sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 88.
Sunday Night
Clear, with a low around 54.
Monday
Sunny, with a high near 89.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Weiser ID
 44.25°N 116.96°W (Elev. 2188 ft)
Last Update:
12:28 pm MDT Jul 29, 2026
Forecast Valid:
8pm MDT Jul 29, 2026-6pm MDT Aug 5, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation