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

Hazardous Weather Conditions

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77°NLon: 94.91°WElev: 823ft.

Fair

71°F

22°C

Humidity 35%
Wind Speed S 8 mph
Barometer 30.06 in (1017.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 11 May 8:53 pm CDT
Extended Forecast for

De Kalb MO

  • Tonight

    Tonight: Mostly clear, with a low around 59. South southwest wind 11 to 16 mph, with gusts as high as 26 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 86. Breezy, with a south southwest wind 13 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 86 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. North northwest wind 6 to 9 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. North wind 5 to 8 mph becoming southeast after midnight.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Breezy.

    High: 83 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Breezy. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    T-storms and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers before 1am. Mostly clear, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 59. South southwest wind 11 to 16 mph, with gusts as high as 26 mph.
Tuesday
Increasing clouds, with a high near 86. Breezy, with a south southwest wind 13 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 54. North northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 80. North northwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 54. North wind 5 to 8 mph becoming southeast after midnight.
Thursday
Mostly sunny, with a high near 83. Breezy.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Breezy. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 91.
Friday Night
A chance of showers before 1am. Mostly clear, with a low around 65. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Breezy. Chance of precipitation is 30%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 69. Breezy. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb MO
 39.59°N 94.91°W (Elev. 1047 ft)
Last Update:
6:17 pm CDT May 11, 2026
Forecast Valid:
9pm CDT May 11, 2026-6pm CDT May 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation