Union Star, MO Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union Star, MO in one place.
Mostly sunny, with a high near 86. South wind 6 to 9 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Union Star, MO 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 7, 2026 7:44 AM CDT.
The active forecast window currently covers Jun 8 to Jun 13, 2026 for Union Star, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 13, 2026
- Latest sync
- Jun 7, 2026 7:44 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Union Star
Tuesday looks like the warmest upcoming period in Union Star at 91 degrees F.
Thursday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Wednesday at about 18 to 26 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 7, 2026 7:44 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
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 after 7pm. Partly cloudy, with a low around 71. South southeast wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 91. Chance of precipitation is 20%.
Mostly clear, with a low around 75.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Sunny, with a high near 84. Chance of precipitation is 30%.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 8
|
Mostly Sunny
|
86°F |
6 to 9 mph
S
|
|
Monday Night
Jun 8
|
Chance Showers And Thunderstorms
|
71°F |
8 mph
SSE
|
|
Tuesday
Jun 9
|
Slight Chance Showers And Thunderstorms then Sunny
|
91°F |
9 to 20 mph
S
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
75°F |
18 mph
SSW
|
|
Wednesday
Jun 10
|
Sunny then Chance Showers And Thunderstorms
|
91°F |
18 to 26 mph
S
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
71°F |
17 to 25 mph
S
|
|
Thursday
Jun 11
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
86°F |
18 to 22 mph
WSW
|
|
Thursday Night
Jun 11
|
Chance Showers And Thunderstorms
|
64°F |
6 to 17 mph
W
|
|
Friday
Jun 12
|
Chance Showers And Thunderstorms
|
84°F |
7 to 14 mph
SSW
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
66°F |
7 to 13 mph
S
|
|
Saturday
Jun 13
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
82°F |
8 to 13 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union Star.