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Union, North Dakota Weather Forecast
Union, North Dakota Weather
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Weather Forecast for Union, North Dakota : Cavalier County
Issued: 9:11 am CST Dec 16, 2025 Latitude: 48.557772 Longitude: -97.9489859 View on Google Maps

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Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Increasing Clouds on Today Cloudy on Tonight 40% chance of freezing rain on Wednesday 20% chance of blowing snow on Thursday 60% chance of snow on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday 20% chance of snow on Monday
High: 25 °F Low: 8 °F High: 32°F High: -2°F High: 17°F High: 1 °F High: 7 °F High: 14°F
Low: -3°F Low: -19°F Low: -6°F Low: -12°F Low: -9°F  
Increasing Clouds Cloudy Freezing Rain Blowing Snow Snow Mostly Sunny Mostly Sunny Snow
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Current Conditions at
HALLOCK - (KHCO)
37°
Feels like 28°F
Mostly Cloudy
as of 9:35 AM CST
Rel. Humidity: 86%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.21 in.
Flight Rule: VFR
Wind Data
14 MPH
190° South
Cloud Level(s): Scattered at 6500ft, Scattered at 7000ft, Broken at 10000ft
Current Conditions at
GRAND FORKS AFB - (KRDR)
50°
Feels like 42°F
Clear
as of 8:55 AM CST
Rel. Humidity: 53%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.27 in.
Flight Rule: VFR
Wind Data
28 MPH
Gust: 39 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
DEVIL'S LAKE - (KDVL)
43°
Feels like 33°F
Clear
as of 8:56 AM CST
Rel. Humidity: 70%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.33 in.
Flight Rule: VFR
Wind Data
25 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
GRAND FORKS INTL - (KGFK)
43°
Feels like 36°F
Mostly Clear
as of 8:53 AM CST
Rel. Humidity: 65%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.30 in.
Flight Rule: VFR
Wind Data
12 MPH
210° Southwest
Cloud Level(s): Few at 18000ft, Few at 25000ft
Increasing Clouds on Today Today... Increasing clouds, with a temperature falling to around 25 by 5pm. Windy, with a west northwest wind 30 to 37 mph, with gusts as high as 55 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 8. Blustery, with a west northwest wind 20 to 25 mph becoming west southwest 7 to 12 mph after midnight. Winds could gust as high as 36 mph.
40% chance of freezing rain Wednesday Wednesday... A chance of freezing rain after noon. Increasing clouds, with a high near 32. South wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
90% chance of freezing rain & snow Wednesday Night Wednesday Night... A chance of snow and freezing rain before 9pm, then snow. Widespread blowing snow, mainly after 1am. Low around -3. Wind chill values as low as -26. Windy, with a south wind 16 to 26 mph becoming north northwest 30 to 40 mph in the evening. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
20% chance of blowing snow Thursday Thursday... A 20 percent chance of snow before noon. Widespread blowing snow, mainly before 1pm. Partly sunny, with a high near -2. Windy, with a north northwest wind 30 to 40 mph decreasing to 15 to 25 mph. Winds could gust as high as 55 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around -19. North northwest wind 7 to 16 mph becoming south southeast after midnight.
60% chance of snow Friday Friday... Snow likely, mainly before noon. Mostly cloudy, with a high near 17. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.
20% chance of snow Friday Night Friday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -6. Breezy, with a south southwest wind 18 to 21 mph becoming west northwest after midnight.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 1. West northwest wind 11 to 18 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around -12. West northwest wind 8 to 10 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 7. West wind 8 to 10 mph becoming south in the afternoon.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around -9. Southwest wind 9 to 11 mph.
20% chance of snow Monday Monday... A 20 percent chance of snow. Mostly cloudy, with a high near 14. South southeast wind around 11 mph.
Current Radar Image


Sun Almanac for Union, North Dakota
Sunrise: 08:18 AM
Sunset: 4:37 PM
Civil Sunrise:07:42 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 07:01 AM
Nautical Sunset: 5:54 PM
Astro Sunrise: 06:23 AM
Astro Sunset: 6:32 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.