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

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

OR7 SB at Sumpter MP 25.07 (OD128)

Lat: 44.71702°NLon: 118.16314°WElev: 4245.0ft.

NA

69°F

21°C

Humidity 29%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 31 Jul 09:07 AM PDT
Extended Forecast for

Greenhorn OR

Fire Weather Watch August 1, 11:00am until August 1, 11:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Today

    Today: Patchy smoke. Sunny, with a high near 86. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 86 °F

    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke. Mostly clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Patchy Smoke

  • Saturday

    Saturday: Patchy smoke before 1pm, then patchy smoke after 2pm. Mostly sunny, with a high near 77. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph.

    High: 77 °F

    Patchy Smoke

  • Saturday Night

    Saturday Night: Patchy smoke between 8pm and 9pm. Mostly clear, with a low around 47. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Patchy Smoke
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Northwest wind 5 to 7 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

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

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Patchy smoke. Sunny, with a high near 86. Calm wind becoming south southeast around 5 mph in the afternoon.
Tonight
Patchy smoke. Mostly clear, with a low around 58. Light and variable wind.
Saturday
Patchy smoke before 1pm, then patchy smoke after 2pm. Mostly sunny, with a high near 77. Calm wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 22 mph.
Saturday Night
Patchy smoke between 8pm and 9pm. Mostly clear, with a low around 47. West northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 66. Northwest wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenhorn OR
 44.72°N 118.51°W (Elev. 6316 ft)
Last Update:
11:29 pm PDT Jul 30, 2026
Forecast Valid:
9am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
 
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