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

Areas of Excessive Rainfall, Severe Thunderstorms, and Extreme Heat

Heavy to excessive rainfall is expected through tonight across portions of the central Plains. Areas of intense rainfall amounts could support increasing flooding concerns. Scattered severe thunderstorms are possible across parts of the central/southern Plains today and tonight, with large hail and damaging winds the main threats. Areas of extreme heat will impact parts of the West this week. Read More >

Hazardous Weather Conditions

Current conditions at

Grant County Regional Airport (KGCD)

Lat: 44.40287°NLon: 118.96715°WElev: 3675.0ft.

Clear

87°F

31°C

Humidity 20%
Wind Speed NNW 6 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 10 Aug 07:15 PM PDT
Extended Forecast for

John Day OR

Extreme Heat Warning August 10, 07:41pm until August 12, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 10, 07:41pm until August 12, 10:00pm

    NOW until 10:00pm Tue

    Extreme Heat Warning

  • Tonight

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. Northwest wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 100. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 60. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
John Day OR
 44.42°N 118.95°W (Elev. 3205 ft)
Last Update:
4:15 pm PDT Aug 10, 2025
Forecast Valid:
7pm PDT Aug 10, 2025-6pm PDT Aug 17, 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