Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fog/Mist

30°F

-1°C

Humidity 92%
Wind Speed N 10 mph
Barometer 29.90 in (1013.3 mb)
Dewpoint 28°F (-2°C)
Visibility 6.00 mi
Wind Chill21°F (-6°C)
Last update 2 Jan 1:53 am CST
Extended Forecast for

5 Miles NNW Union Star MO

  • Overnight

    Overnight: Cloudy, with a low around 27. Northeast wind around 7 mph.

    Low: 27 °F

    Cloudy

  • Friday

    Friday: Cloudy, with a high near 33. East northeast wind around 9 mph.

    High: 33 °F

    Cloudy

  • Friday Night

    Friday Night: A slight chance of snow and freezing rain between 8pm and midnight.  Cloudy, with a low around 24. East northeast wind 5 to 8 mph.  Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Wintry Mix
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 40. Calm wind becoming west around 6 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 27. Northeast wind around 7 mph.
Friday
Cloudy, with a high near 33. East northeast wind around 9 mph.
Friday Night
A slight chance of snow and freezing rain between 8pm and midnight. Cloudy, with a low around 24. East northeast wind 5 to 8 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Calm wind becoming west around 6 mph.
Saturday Night
Mostly clear, with a low around 27. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 54.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A chance of rain. Mostly sunny, with a high near 53. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Union Star MO
 40.05°N 94.63°W (Elev. 1053 ft)
11:06 pm CST Jan 1, 2026
2am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database