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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

86°F

30°C

Humidity 33%
Wind Speed SE 6 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Aug 04:35 PM MDT
Extended Forecast for

11 Miles WNW Vale OR

Flash Flood Watch until August 18, 12:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until August 18, 12:00am

    NOW until 12:00am Mon

    Flash Flood Watch

  • This Afternoon

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 65. South southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 65 °F

    Scattered
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 94. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. West southwest wind 6 to 8 mph becoming north northwest in the evening.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 89. South wind around 6 mph.
Tonight
Scattered showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 65. South southwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 30%.
Monday
Sunny and hot, with a high near 94. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66. West southwest wind 6 to 8 mph becoming north northwest in the evening.
Tuesday
Sunny and hot, with a high near 98. Calm wind becoming south southeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny and hot, with a high near 94.
Thursday Night
Clear, with a low around 64.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WNW Vale OR
 44.02°N 117.46°W (Elev. 2717 ft)
Last Update:
3:05 pm MDT Aug 17, 2025
Forecast Valid:
4pm MDT Aug 17, 2025-6pm MDT Aug 24, 2025
 
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