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

Grant County Regional Airport (KGCD)

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

Clear

57°F

14°C

Humidity 38%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Apr 10:30 AM PDT
Extended Forecast for

Mount Vernon OR

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 77. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 77 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South wind 5 to 7 mph becoming light and variable in the evening.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 69. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance Rain
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 39. West wind 10 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 48. West wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Partly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 77. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 46. South wind 5 to 7 mph becoming light and variable in the evening.
Tuesday
A chance of rain between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 69. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain. Low around 39. West wind 10 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 48. West wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon OR
 44.42°N 119.11°W (Elev. 3054 ft)
Last Update:
9:58 am PDT Apr 20, 2026
Forecast Valid:
10am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation