Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

76°F

24°C

Humidity 25%
Wind Speed N 0 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 10 Oct 06:53 PM MDT
Extended Forecast for

2 Miles S Ontario OR

  • Tonight

    Tonight: Partly cloudy, with a low around 46. West southwest wind 5 to 8 mph.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 62. West northwest wind 7 to 10 mph.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 41. Northwest wind 6 to 8 mph.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before noon.  Partly sunny, with a high near 59. Southwest wind around 7 mph.

    High: 59 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 42. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Columbus Day

    Columbus Day: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. West southwest wind 5 to 8 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 62. West northwest wind 7 to 10 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41. Northwest wind 6 to 8 mph.
Sunday
A 20 percent chance of showers before noon. Partly sunny, with a high near 59. Southwest wind around 7 mph.
Sunday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. South southwest wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly cloudy, with a high near 62.
Monday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 40.
Tuesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 64.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 41.
Wednesday
A 30 percent chance of showers, mainly before noon. Mostly sunny, with a high near 64.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 41.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 62.
Thursday Night
A 20 percent chance of showers. Patchy fog. Otherwise, partly cloudy, with a low around 39.
Friday
A 20 percent chance of showers. Patchy fog. Otherwise, mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Ontario OR
 43.99°N 116.96°W (Elev. 2162 ft)
3:04 pm MDT Oct 10, 2025
7pm MDT Oct 10, 2025-6pm MDT Oct 17, 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