Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

La Grande/Union County Airport (KLGD)

Lat: 45.29066°NLon: 118.00884°WElev: 2707.0ft.

Mostly Cloudy

64°F

18°C

Humidity 45%
Wind Speed SE 5 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 04 Sep 05:20 PM PDT
Extended Forecast for

La Grande OR

  • This Afternoon

    This Afternoon: A 30 percent chance of showers.  Partly sunny, with a high near 64. Southeast wind around 6 mph.

    High: 64 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 8pm, then a slight chance of showers after 5am.  Partly cloudy, with a low around 40. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 72. Light and variable wind.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 8pm.  Increasing clouds, with a low around 42. Light and variable wind.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 2pm.  Mostly cloudy, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm.  Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Showers

  • Labor Day

    Labor Day: Showers likely, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Partly sunny, with a high near 64. Southeast wind around 6 mph.
Tonight
A chance of showers before 8pm, then a slight chance of showers after 5am. Partly cloudy, with a low around 40. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A slight chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 72. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 20 percent chance of showers before 8pm. Increasing clouds, with a low around 42. Light and variable wind.
Sunday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm. Low around 44. Chance of precipitation is 80%.
Labor Day
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A slight chance of showers. Mostly sunny, with a high near 84.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Friday
A chance of showers. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
La Grande OR
 45.33°N 118.07°W (Elev. 2772 ft)
3:00 pm PDT Sep 4, 2026
5pm PDT Sep 4, 2026-6pm PDT Sep 11, 2026
 
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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