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

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

BLACK ROCK (OKFO3)

Lat: 43.52831°NLon: 121.81601°WElev: 4891.0ft.

NA

24°F

-4°C

Humidity 86%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 16 Apr 11:15 PM PDT
Extended Forecast for

Cascade Summit OR

  • Overnight

    Overnight: Mostly clear, with a low around 18. Light and variable wind.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 49. Southeast wind 5 to 7 mph becoming calm in the morning.

    High: 49 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. Calm wind becoming south southeast around 6 mph in the evening.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. East southeast wind around 5 mph becoming southwest in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Light and variable wind becoming east southeast around 5 mph after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Snow level 6500 feet rising to 7300 feet in the afternoon. Mostly cloudy, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 11pm. Snow level 7700 feet lowering to 7000 feet after midnight . Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 11am. Snow level 6800 feet rising to 7300 feet in the afternoon. Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain. Snow level 7500 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 18. Light and variable wind.
Friday
Increasing clouds, with a high near 49. Southeast wind 5 to 7 mph becoming calm in the morning.
Friday Night
Mostly cloudy, with a low around 30. Calm wind becoming south southeast around 6 mph in the evening.
Saturday
Mostly sunny, with a high near 59. East southeast wind around 5 mph becoming southwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 38. Light and variable wind becoming east southeast around 5 mph after midnight.
Sunday
A 20 percent chance of rain after 11am. Snow level 6500 feet rising to 7300 feet in the afternoon. Mostly cloudy, with a high near 59.
Sunday Night
A 30 percent chance of rain, mainly after 11pm. Snow level 7700 feet lowering to 7000 feet after midnight . Mostly cloudy, with a low around 40.
Monday
Rain likely, mainly after 11am. Snow level 6800 feet rising to 7300 feet in the afternoon. Mostly cloudy, with a high near 57.
Monday Night
Rain. Snow level 7500 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 37.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 11am. Snow level 6200 feet. Mostly cloudy, with a high near 52.
Tuesday Night
Rain and snow. Snow level 6500 feet lowering to 5500 feet after midnight . Cloudy, with a low around 35.
Wednesday
Rain and snow. Snow level 5200 feet. Mostly cloudy, with a high near 42.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 31.
Thursday
A chance of rain and snow. Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cascade Summit OR
 43.58°N 122.05°W (Elev. 5030 ft)
Last Update:
12:01 am PDT Apr 17, 2026
Forecast Valid:
12am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
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Additional Resources

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Chance of Precipitation