Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Grant County Regional Airport (KGCD)

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

Clear

41°F

5°C

Humidity 91%
Wind Speed ENE 4 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 04 Sep 02:15 AM PDT
Extended Forecast for

John Day OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. Southeast wind 3 to 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 68. Southeast wind around 5 mph becoming calm  in the morning.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers before 8pm, then a chance of showers after 11pm.  Mostly cloudy, with a low around 40. Calm wind.  Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm.  Mostly sunny, with a high near 70. Light and variable wind.  Chance of precipitation is 40%.

    High: 70 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • 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 73. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Showers
    Likely

  • Labor Day

    Labor Day: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 69. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Southeast wind 3 to 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 68. Southeast wind around 5 mph becoming calm in the morning.
Friday Night
A slight chance of showers before 8pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 40. Calm wind. Chance of precipitation is 30%.
Saturday
A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm. Mostly sunny, with a high near 70. Light and variable wind. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 41. Calm wind.
Sunday
A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Labor Day
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 69. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
A slight chance of showers. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
John Day OR
 44.42°N 118.95°W (Elev. 3205 ft)
11:46 pm PDT Sep 3, 2026
2am PDT Sep 4, 2026-6pm PDT Sep 10, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database