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 impact the southeast U.S. coast and mid-Atlantic regions with 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.

Overcast

51°F

11°C

Humidity 51%
Wind Speed W 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 11 Oct 11:53 PM MDT
Extended Forecast for

2 Miles S Ontario Municipal OR

  • Overnight

    Overnight: Scattered showers.  Mostly cloudy, with a low around 43. Southwest wind around 7 mph.  Chance of precipitation is 30%.

    Low: 43 °F

    Scattered
    Showers

  • Sunday

    Sunday: Increasing clouds, with a high near 57. West southwest wind 5 to 9 mph.

    High: 57 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after midnight.  Cloudy, with a low around 42. West wind around 5 mph becoming light and variable.

    Low: 42 °F

    Cloudy then
    Chance
    Showers

  • Columbus Day

    Columbus Day: A 40 percent chance of showers, mainly before noon.  Mostly cloudy, with a high near 58. North wind around 6 mph.

    High: 58 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Northwest wind around 7 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before noon.  Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers.  Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before midnight.  Partly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 43. Southwest wind around 7 mph. Chance of precipitation is 30%.
Sunday
Increasing clouds, with a high near 57. West southwest wind 5 to 9 mph.
Sunday Night
A 40 percent chance of showers after midnight. Cloudy, with a low around 42. West wind around 5 mph becoming light and variable.
Columbus Day
A 40 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 58. North wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 42. Northwest wind around 7 mph.
Tuesday
A 30 percent chance of showers, mainly before noon. Partly sunny, with a high near 64.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 59.
Wednesday Night
A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Ontario Municipal OR
 43.99°N 116.99°W (Elev. 2156 ft)
10:20 pm MDT Oct 11, 2025
12am MDT Oct 12, 2025-6pm MDT Oct 18, 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