Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms are forecast from the southern Plains to the Midwest today through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the southeastern U.S. and parts of the central U.S. into next week. Several daily record high maximum and high minimum temperature records are likely to be broken. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Rain

48°F

9°C

Humidity 70%
Wind Speed WSW 9 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 04 Mar 12:20 PM MST
Extended Forecast for

Ontario OR

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  High near 49. Southwest wind 6 to 9 mph becoming north northwest.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers

  • Tonight

    Tonight: Rain likely, mainly before 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 34. West wind 7 to 9 mph.  Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 51. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. West northwest wind 6 to 16 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 52. Northwest wind 3 to 6 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 49. Southwest wind 6 to 9 mph becoming north northwest. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 34. West wind 7 to 9 mph. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 51. Northwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 30. West northwest wind 6 to 16 mph.
Friday
Mostly sunny, with a high near 52. Northwest wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario OR
 44.03°N 116.97°W (Elev. 2103 ft)
2:04 am MST Mar 4, 2026
12pm MST Mar 4, 2026-6pm MDT Mar 10, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database