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

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 >

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Partly Cloudy

67°F

19°C

Humidity 63%
Wind Speed WSW 4 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Aug 02:53 AM MDT
Extended Forecast for

32 Miles WSW Adrian OR

Flash Flood Watch August 17, 03:00pm until August 18, 12:00am
Click here for hazard details and duration
Flash Flood Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. West wind around 7 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. West wind 5 to 7 mph.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 56. West wind 3 to 7 mph.

    Low: 56 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 90. West southwest wind 5 to 8 mph.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. West southwest wind 6 to 9 mph becoming northwest in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

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

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. West wind around 7 mph.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. West wind 5 to 7 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 56. West wind 3 to 7 mph.
Monday
Sunny and hot, with a high near 90. West southwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 57. West southwest wind 6 to 9 mph becoming northwest in the evening.
Tuesday
Sunny and hot, with a high near 94.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny and hot, with a high near 91.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny and hot, with a high near 92.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny and hot, with a high near 95.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny and hot, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
32 Miles WSW Adrian OR
 43.52°N 117.64°W (Elev. 3799 ft)
Last Update:
3:04 pm MDT Aug 16, 2025
Forecast Valid:
3am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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