Union, Missouri Weather
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Weather Forecast for Union, Missouri : Franklin County
Issued: 5:52 pm CDT Jul 3, 2025 Latitude: 38.4500517 Longitude: -91.0084762 View on Google Maps

MouseOver for Detail Forecast
Tonight Independence Day Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Clear on Tonight Mostly Sunny on Independence Day Sunny on Saturday 40% chance of thunderstorms on Sunday 40% chance of thunderstorms on Monday 30% chance of thunderstorms on Tuesday 50% chance of thunderstorms on Wednesday 40% chance of thunderstorms on Thursday
Low: 69°F High: 93°F High: 92°F High: 89°F High: 88°F High: 90°F High: 88°F High: 87°F
Low: 69°F Low: 72°F Low: 70°F Low: 68°F Low: 68°F Low: 67°F  
Mostly Clear Mostly Sunny Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
SPIRIT OF ST LOUIS - (KSUS)
90°
Feels like 92°F
Clear
as of 6:54 PM CDST
Rel. Humidity: 46%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
7 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
90°
Feels like 91°F
Mostly Cloudy
as of 6:51 PM CDST
Rel. Humidity: 43%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
8 MPH
260° West
Cloud Level(s): Broken at 6000ft
Current Conditions at
ST CHARLES - (KSET)
88°
Feels like 90°F
Clear
as of 6:54 PM CDST
Rel. Humidity: 48%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
6 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
VICHY-ROLLA - (KVIH)
84°
Clear
as of 6:53 PM CDST
Rel. Humidity: 54%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
3 MPH
100° East
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 69. Calm wind.
Mostly Sunny on Independence Day Independence Day... Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 69. Light south wind.
Sunny on Saturday Saturday... Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
20% chance of thunderstorms Saturday Night Saturday Night... A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. Calm wind.
40% chance of thunderstorms Sunday Sunday... A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 89.
30% chance of thunderstorms Sunday Night Sunday Night... A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
40% chance of thunderstorms Monday Monday... A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88.
20% chance of thunderstorms Monday Night Monday Night... A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 68.
30% chance of thunderstorms Tuesday Tuesday... A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
40% chance of thunderstorms Tuesday Night Tuesday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
50% chance of thunderstorms Wednesday Wednesday... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88.
40% chance of thunderstorms Wednesday Night Wednesday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
40% chance of thunderstorms Thursday Thursday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Current Radar Image


Sun Almanac for Union, Missouri
Sunrise: 05:45 AM
Sunset: 8:32 PM
Civil Sunrise:05:14 AM
Civil Sunset: 9:03 PM
Nautical Sunrise: 04:34 AM
Nautical Sunset: 9:43 PM
Astro Sunrise: 03:49 AM
Astro Sunset: 10:28 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.