Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Ontario Municipal Airport (KONO)

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

Clear

61°F

16°C

Humidity 67%
Wind Speed W 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Aug 05:20 AM MDT
Extended Forecast for

35 Miles SSE Unity OR

  • Today

    Today: Patchy smoke before noon. Mostly cloudy and hot, with a high near 90. Light and variable wind becoming east southeast 5 to 9 mph in the morning.

    High: 90 °F

    Patchy Smoke
    then Mostly
    Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 69. South southeast wind 6 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Patchy smoke between 10am and 11am. Patchy blowing dust after noon. Mostly sunny, with a high near 85. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 85 °F

    Patchy Smoke
    then Patchy
    Blowing Dust
    and Breezy

  • Saturday Night

    Saturday Night: Patchy blowing dust before 9pm. Partly cloudy, with a low around 58. Breezy, with a west southwest wind 23 to 28 mph becoming west northwest 9 to 14 mph in the evening. Winds could gust as high as 39 mph.

    Low: 58 °F

    Patchy
    Blowing Dust
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. West southwest wind 8 to 15 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Patchy smoke before noon. Mostly cloudy and hot, with a high near 90. Light and variable wind becoming east southeast 5 to 9 mph in the morning.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 69. South southeast wind 6 to 15 mph becoming west after midnight. Winds could gust as high as 28 mph.
Saturday
Patchy smoke between 10am and 11am. Patchy blowing dust after noon. Mostly sunny, with a high near 85. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Patchy blowing dust before 9pm. Partly cloudy, with a low around 58. Breezy, with a west southwest wind 23 to 28 mph becoming west northwest 9 to 14 mph in the evening. Winds could gust as high as 39 mph.
Sunday
Sunny, with a high near 81. West southwest wind 8 to 15 mph.
Sunday Night
Mostly clear, with a low around 59.
Monday
Mostly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
35 Miles SSE Unity OR
 43.95°N 118.02°W (Elev. 5505 ft)
12:29 am MDT Aug 21, 2026
5am MDT Aug 21, 2026-6pm MDT Aug 27, 2026
 
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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