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

Dunn County Airport - Weydahl Field (K9Y1)

Lat: 47.39°NLon: 102.77°WElev: 2249ft.

Fair

68°F

20°C

Humidity 43%
Wind Speed SE 15 G 21 mph
Barometer 29.99 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 20 Jun 11:15 am MDT
Extended Forecast for

Grassy Butte ND

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 73. Southeast wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 52. Breezy, with an east wind 16 to 20 mph, with gusts as high as 29 mph.

    Low: 52 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly between 11am and noon. Mostly cloudy, with a high near 64. Southeast wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 49. South wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 67. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 67 °F

    Partly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 47. West wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 47 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 66. Northwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    High: 66 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Light and variable wind becoming northeast around 6 mph in the morning.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. Southeast wind 13 to 18 mph, with gusts as high as 29 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 52. Breezy, with an east wind 16 to 20 mph, with gusts as high as 29 mph.
Sunday
Showers likely, mainly between 11am and noon. Mostly cloudy, with a high near 64. Southeast wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 49. South wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 67. West wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 47. West wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 66. Northwest wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 45. Northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.
Wednesday
Mostly sunny, with a high near 70. Light and variable wind becoming northeast around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 48. Northeast wind 6 to 8 mph becoming southeast after midnight.
Thursday
Mostly sunny, with a high near 74. Southeast wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 52. East wind around 11 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 80. Southeast wind 13 to 17 mph, with gusts as high as 28 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grassy Butte ND
 47.4°N 103.25°W
Last Update:
12:06 pm CDT Jun 20, 2026
Forecast Valid:
12pm CDT Jun 20, 2026-6pm CDT Jun 26, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation