Union, ND Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Union, ND in one place.
A slight chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. Southeast wind 5 to 23 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Union, ND is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 8, 2026 8:47 PM CDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Union, ND.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 8:47 PM CDT
- Forecast office
- FGF
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Tuesday looks like the warmest upcoming period in Union at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Friday at about 20 to 28 mph WNW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 8:47 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FGF
- Radar station
- KMVX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 10pm, then showers and thunderstorms between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 1am, then a chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers and thunderstorms. Some of the storms could be severe and produce heavy rain. Mostly cloudy. Low around 60, with temperatures rising to around 64 overnight. South wind 8 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
A chance of rain showers before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 74. West southwest wind 8 to 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 52. West wind around 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers before 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 66. West wind around 25 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms before 7pm. Mostly cloudy, with a low around 50. West northwest wind 17 to 24 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Partly sunny, with a high near 66. West northwest wind 20 to 28 mph, with gusts as high as 40 mph.
Mostly cloudy, with a low around 47. Northwest wind 15 to 24 mph, with gusts as high as 36 mph.
Mostly cloudy, with a high near 64. Northwest wind 20 to 23 mph, with gusts as high as 33 mph.
Mostly cloudy, with a low around 45. Northwest wind 13 to 18 mph.
A slight chance of rain showers after 1pm. Partly sunny, with a high near 68. Northwest wind 14 to 17 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 49. Northwest wind 8 to 15 mph. Chance of precipitation is 20%.
A chance of rain showers after 1pm. Partly sunny, with a high near 69. Northwest wind 13 to 17 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
5 to 23 mph
SE
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
60°F |
8 to 22 mph
S
|
|
Wednesday
Jun 10
|
Showers And Thunderstorms Likely
|
74°F |
8 to 21 mph
WSW
|
|
Wednesday Night
Jun 10
|
Showers And Thunderstorms Likely
|
52°F |
22 mph
W
|
|
Thursday
Jun 11
|
Rain Showers
|
66°F |
25 mph
W
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms then Mostly Cloudy
|
50°F |
17 to 24 mph
WNW
|
|
Friday
Jun 12
|
Partly Sunny
|
66°F |
20 to 28 mph
WNW
|
|
Friday Night
Jun 12
|
Mostly Cloudy
|
47°F |
15 to 24 mph
NW
|
|
Saturday
Jun 13
|
Mostly Cloudy
|
64°F |
20 to 23 mph
NW
|
|
Saturday Night
Jun 13
|
Mostly Cloudy
|
45°F |
13 to 18 mph
NW
|
|
Sunday
Jun 14
|
Partly Sunny then Slight Chance Rain Showers
|
68°F |
14 to 17 mph
NW
|
|
Sunday Night
Jun 14
|
Slight Chance Rain Showers then Mostly Cloudy
|
49°F |
8 to 15 mph
NW
|
|
Monday
Jun 15
|
Partly Sunny then Chance Rain Showers
|
69°F |
13 to 17 mph
NW
|
Nearby Forecasts
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