National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

34°F

1°C

Humidity 92%
Wind Speed NE 5 mph
Barometer 29.90 in (1013.2 mb)
Dewpoint 32°F (0°C)
Visibility 5.00 mi
Wind Chill29°F (-2°C)
Last update 1 Jan 6:53 pm CST
Extended Forecast for

De Kalb MO

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 28. Calm wind becoming east northeast around 6 mph after midnight.

    Low: 28 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, cloudy, with a high near 38. East wind 6 to 8 mph.

    High: 38 °F

    Patchy Fog
    then Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24. East northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 48.

    High: 48 °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 59.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 28. Calm wind becoming east northeast around 6 mph after midnight.
Friday
Patchy fog before 9am. Otherwise, cloudy, with a high near 38. East wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 24. East northeast wind 5 to 7 mph becoming calm after midnight.
Saturday
Sunny, with a high near 42. Light and variable wind.
Saturday Night
Mostly clear, with a low around 27. Calm wind becoming south southeast around 6 mph after midnight.
Sunday
Partly sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A chance of rain. Mostly sunny, with a high near 55. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb MO
 39.59°N 94.91°W (Elev. 1047 ft)
Last Update:
4:27 pm CST Jan 1, 2026
Forecast Valid:
7pm CST Jan 1, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation