Union Star, MO Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Union Star, MO in one place.
A chance of showers and thunderstorms between 7am and 4pm, then showers and thunderstorms likely. Cloudy, with a high near 73. South wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. 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: Apr 22, 2026 3:28 PM CDT.
The active forecast window currently covers Apr 23 to Apr 28, 2026 for Union Star, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 28, 2026
- Latest sync
- Apr 22, 2026 3:28 PM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Union Star
Thursday looks like the warmest upcoming period in Union Star at 73 degrees F.
Monday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Thursday at about 18 to 23 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 22, 2026 3:28 PM 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
Showers and thunderstorms. Mostly cloudy, with a low around 51. Southwest wind 10 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
A chance of rain showers before 1pm. Sunny, with a high near 71. North northwest wind 10 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly clear, with a low around 45.
Partly sunny, with a high near 69.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 90%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
A chance of rain showers before 1am. Partly cloudy, with a low around 43. Chance of precipitation is 30%.
Mostly sunny, with a high near 66.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Chance Showers And Thunderstorms
|
73°F |
18 to 23 mph
S
|
|
Thursday Night
Apr 23
|
Showers And Thunderstorms
|
51°F |
10 to 22 mph
SW
|
|
Friday
Apr 24
|
Chance Rain Showers
|
71°F |
10 to 14 mph
NNW
|
|
Friday Night
Apr 24
|
Mostly Clear
|
45°F |
7 to 12 mph
NNE
|
|
Saturday
Apr 25
|
Partly Sunny
|
69°F |
9 to 14 mph
ENE
|
|
Saturday Night
Apr 25
|
Chance Showers And Thunderstorms
|
51°F |
10 to 14 mph
E
|
|
Sunday
Apr 26
|
Showers And Thunderstorms Likely
|
73°F |
15 to 21 mph
SE
|
|
Sunday Night
Apr 26
|
Showers And Thunderstorms
|
55°F |
15 to 20 mph
SE
|
|
Monday
Apr 27
|
Showers And Thunderstorms Likely
|
69°F |
15 to 22 mph
WSW
|
|
Monday Night
Apr 27
|
Chance Rain Showers
|
43°F |
8 to 20 mph
NW
|
|
Tuesday
Apr 28
|
Mostly Sunny
|
66°F |
9 mph
NW
|
|
Tuesday Night
Apr 28
|
Partly Cloudy then Slight Chance Rain Showers
|
46°F |
7 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union Star.