Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

82°F

28°C

Humidity 37%
Wind Speed N 12 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 16 Aug 06:35 PM MDT
Extended Forecast for

20 Miles WSW Vale OR

Flash Flood Watch August 16, 06:58pm until August 18, 12:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch August 16, 06:58pm until August 18, 12:00am

    NOW until 12:00am Mon

    Flash Flood Watch

  • Tonight

    Low: 65 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 63. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 63 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 92 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. West southwest wind 5 to 8 mph becoming north northwest in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Tuesday Night

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

    Low: 63 °F

    Mostly Clear

  • Wednesday

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

    High: 94 °F

    Hot

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 65. Northwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 63. West wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 92. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. West southwest wind 5 to 8 mph becoming north northwest in the evening.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny and hot, with a high near 94.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny and hot, with a high near 94.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles WSW Vale OR
 43.85°N 117.6°W (Elev. 2799 ft)
3:04 pm MDT Aug 16, 2025
6pm MDT Aug 16, 2025-6pm MDT Aug 23, 2025
 
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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