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Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

93°F

34°C

Humidity 18%
Wind Speed SSE 3 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 25 Jul 07:53 PM MDT
Extended Forecast for

10 Miles E Weiser ID

Heat Advisory July 25, 08:13pm until July 25, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 25, 08:13pm until July 25, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • Tonight

    Low: 64 °F

    Areas Smoke

  • Sunday

    Sunday: Areas of smoke. Sunny and hot, with a high near 97. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 97 °F

    Areas Smoke

  • Sunday Night

    Sunday Night: Areas of smoke. Mostly clear, with a low around 65. Calm wind becoming north northeast 5 to 9 mph after midnight. Winds could gust as high as 21 mph.

    Low: 65 °F

    Areas Smoke

  • Monday

    Monday: Areas of smoke. Sunny and hot, with a high near 96. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 96 °F

    Areas Smoke

  • Monday Night

    Monday Night: Areas of smoke. Clear, with a low around 64. Calm wind becoming north northeast 5 to 7 mph after midnight.

    Low: 64 °F

    Areas Smoke

  • Tuesday

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

    High: 98 °F

    Patchy Smoke

  • Tuesday Night

    Tuesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Wednesday

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

    High: 98 °F

    Hot

Detailed Forecast

Tonight
Areas of smoke. Clear, with a low around 64. Calm wind becoming northeast 5 to 9 mph after midnight. Winds could gust as high as 20 mph.
Sunday
Areas of smoke. Sunny and hot, with a high near 97. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
Areas of smoke. Mostly clear, with a low around 65. Calm wind becoming north northeast 5 to 9 mph after midnight. Winds could gust as high as 21 mph.
Monday
Areas of smoke. Sunny and hot, with a high near 96. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
Areas of smoke. Clear, with a low around 64. Calm wind becoming north northeast 5 to 7 mph after midnight.
Tuesday
Patchy smoke. Sunny and hot, with a high near 98.
Tuesday Night
Clear, with a low around 64.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny and hot, with a high near 102.
Friday Night
Clear, with a low around 67.
Saturday
Sunny and hot, with a high near 100.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Weiser ID
 44.28°N 116.76°W (Elev. 2415 ft)
Last Update:
2:28 pm MDT Jul 25, 2026
Forecast Valid:
8pm MDT Jul 25, 2026-6pm MDT Aug 1, 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