Union Star, MO Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Union Star, MO in one place.
Showers and thunderstorms. Cloudy. High near 67, with temperatures falling to around 61 in the afternoon. East wind 6 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters 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: Oct 14, 2026 2:32 PM CDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Union Star, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 2:32 PM 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 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 17 to 23 mph NNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 2:32 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
A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 43. Northwest wind around 20 mph, with gusts as high as 26 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 56. North northwest wind 17 to 23 mph, with gusts as high as 32 mph.
Areas of frost after 4am. Mostly clear, with a low around 35.
Areas of frost before 8am. Sunny, with a high near 62.
Clear, with a low around 40.
Sunny, with a high near 67.
Mostly cloudy, with a low around 48.
Partly sunny, with a high near 71.
Partly cloudy, with a low around 50.
Sunny, with a high near 75.
A slight chance of rain showers after 1am. Mostly clear, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
67°F |
6 to 18 mph
E
|
|
Thursday Night
Oct 15
|
Slight Chance Rain Showers then Mostly Cloudy
|
43°F |
20 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
56°F |
17 to 23 mph
NNW
|
|
Friday Night
Oct 16
|
Mostly Clear then Areas Of Frost
|
35°F |
0 to 14 mph
N
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
62°F |
0 to 9 mph
SSW
|
|
Saturday Night
Oct 17
|
Clear
|
40°F |
8 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
67°F |
9 to 17 mph
S
|
|
Sunday Night
Oct 18
|
Mostly Cloudy
|
48°F |
7 to 12 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
71°F |
7 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
50°F |
2 to 6 mph
SSE
|
|
Tuesday
Oct 20
|
Sunny
|
75°F |
3 to 9 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear then Slight Chance Rain Showers
|
56°F |
8 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union Star.