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Hazardous Weather Conditions
Current conditions at
St. Joseph, Rosecrans Memorial Airport (KSTJ)
Lat: 39.77°NLon: 94.91°WElev: 823ft.
Fair
73°F
23°C
| Humidity | 81% |
| Wind Speed | Calm |
| Barometer | 29.90 in (1011.9 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 20 Jun 6:53 pm CDT |
Extended Forecast for
Union Star MO
Flood Watch until June 21, 07:00pm
NOW until 7:00pm Sun
Flood Watch
Tonight
Low: 63 °F
Chance
T-storms then
Heavy RainSunday
High: 77 °F
Heavy Rain
then Chance
T-stormsSunday Night

Low: 58 °F
Mostly Cloudy
Monday

High: 75 °F
Decreasing
CloudsMonday Night

Low: 58 °F
Partly Cloudy
Tuesday

High: 78 °F
Mostly Sunny
Tuesday Night

Low: 61 °F
Partly Cloudy
Wednesday

High: 79 °F
Mostly Sunny
Detailed Forecast
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 63. Light and variable wind becoming east 9 to 14 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Showers and thunderstorms before 4pm, then a slight chance of showers. Some of the storms could produce heavy rainfall. High near 77. East wind 14 to 16 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Mostly cloudy, with a low around 58. North northeast wind 9 to 16 mph, with gusts as high as 22 mph.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 75. Northeast wind around 10 mph.
Monday Night
Partly cloudy, with a low around 58. East northeast wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A chance of showers. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Union Star MO
39.99°N 94.6°W (Elev. 958 ft)
39.99°N 94.6°W (Elev. 958 ft)
6:37 pm CDT Jun 20, 2026
7pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026



