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

Hazardous Weather Conditions

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

70°F

21°C

Humidity 43%
Wind Speed W 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 30 Jun 12:05 AM MDT
Extended Forecast for

Nyssa OR

Heat Advisory July 1, 11:00am until July 1, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Clear, with a low around 57. Light north northwest wind.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Light and variable wind.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. North wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Northwest wind around 6 mph becoming northeast in the afternoon.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. North northwest wind 8 to 11 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 57. Light north northwest wind.
Monday
Sunny and hot, with a high near 97. Light and variable wind.
Monday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 101. Northwest wind around 6 mph becoming northeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 68. North northwest wind 8 to 11 mph.
Wednesday
Mostly sunny and hot, with a high near 98.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65.
Thursday
Sunny and hot, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Independence Day
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny and hot, with a high near 90. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny and hot, with a high near 93.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny and hot, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nyssa OR
 43.88°N 116.97°W (Elev. 2205 ft)
Last Update:
3:20 pm MDT Jun 29, 2025
Forecast Valid:
12am MDT Jun 30, 2025-6pm MDT Jul 6, 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