Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

46°F

8°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 21 Jun 02:00 AM MDT
Extended Forecast for

4 Miles N Ontario Municipal OR

  • Overnight

    Overnight: Partly cloudy, with a low around 47. West northwest wind around 10 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon.  Mostly sunny, with a high near 69. West northwest wind around 11 mph.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight.  Mostly cloudy, with a low around 49. Northwest wind 9 to 13 mph.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly sunny, with a high near 71. Northwest wind around 7 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. North wind 3 to 6 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. West northwest wind around 10 mph.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 69. West northwest wind around 11 mph.
Saturday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 49. Northwest wind 9 to 13 mph.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 71. Northwest wind around 7 mph.
Sunday Night
Mostly clear, with a low around 47. North wind 3 to 6 mph.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny and hot, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
Sunny and hot, with a high near 91.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Ontario Municipal OR
 44.07°N 117.01°W (Elev. 2251 ft)
3:23 pm MDT Jun 20, 2025
2am MDT Jun 21, 2025-6pm MDT Jun 27, 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