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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

BLACK ROCK (OKFO3)

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

NA

60°F

16°C

Humidity 81%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 17 Aug 09:15 AM PDT
Extended Forecast for

4 Miles ESE Cascade Summit OR

  • Today

    Today: Mostly sunny, with a high near 70. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming west southwest 5 to 9 mph in the morning.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. West wind 5 to 8 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 70. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 45. West northwest wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 70. Calm wind becoming west southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 46. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Cascade Summit OR
 43.55°N 121.95°W (Elev. 4800 ft)
Last Update:
9:09 am PDT Aug 17, 2025
Forecast Valid:
10am PDT Aug 17, 2025-6pm PDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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