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

Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Current conditions at

OR7 SB at Sumpter MP 25.07 (OD128)

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

NA

47°F

8°C

Humidity 56%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 15 Aug 01:35 AM PDT
Extended Forecast for

Sumpter OR

  • Overnight

    Overnight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 74. Light west northwest wind. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 50. Light northwest wind. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Calm wind.
Friday
Sunny, with a high near 80. Light and variable wind.
Friday Night
Partly cloudy, with a low around 52. Calm wind.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 74. Light west northwest wind. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 50. Light northwest wind. Chance of precipitation is 30%.
Sunday
A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Sunday Night
A 40 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 50.
Monday
A 20 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Clear, with a low around 49.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Clear, with a low around 49.
Thursday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumpter OR
 44.75°N 118.21°W (Elev. 4596 ft)
Last Update:
2:04 pm PDT Aug 14, 2025
Forecast Valid:
1am PDT Aug 15, 2025-6pm PDT Aug 21, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation