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.

A Few Clouds

56°F

13°C

Humidity 40%
Wind Speed E 9 G 18 mph
Barometer 30.23 in (1023.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Apr 11:53 pm CDT
Extended Forecast for

De Kalb MO

  • Overnight

    Overnight: Mostly clear, with a low around 41. East wind around 10 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. East southeast wind 10 to 16 mph becoming south in the afternoon. Winds could gust as high as 24 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. South wind around 17 mph, with gusts as high as 28 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. South southwest wind 16 to 18 mph, with gusts as high as 28 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Breezy.

    Low: 62 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 70%.

    High: 78 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 48. Breezy. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 41. East wind around 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 75. East southeast wind 10 to 16 mph becoming south in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 55. South wind around 17 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 82. South southwest wind 16 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 56. South southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 62. Breezy.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 48. Breezy. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 65.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb MO
 39.59°N 94.91°W (Elev. 1047 ft)
Last Update:
10:27 pm CDT Apr 19, 2026
Forecast Valid:
12am CDT Apr 20, 2026-6pm CDT Apr 26, 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