Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

St. Joseph, Rosecrans Memorial Airport (KSTJ)

Lat: 39.77° N Lon: 94.91° W Elev: 823 ft.

Fair

70°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 29.91 in (1011.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 4 Sep 5:53 am CDT
Detailed forecast for

Buchanan County

Today
Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph with gusts up to 20 mph.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph.
Saturday
Mostly sunny. Hot with highs in the upper 90s. South winds around 5 mph.
Saturday Night
Partly cloudy. Lows in the lower 70s. Southeast winds around 5 mph.
Sunday
Mostly sunny. Hot with highs in the mid 90s. Southeast winds around 5 mph.
Sunday Night Through Monday Night
Partly cloudy. Hot. Lows in the mid 70s. Highs in the mid 90s.
Tuesday And Tuesday Night
Mostly clear. Hot. Highs in the upper 90s. Lows in the upper 70s. Heat index values up to 105.
Wednesday And Wednesday Night
Partly cloudy. Hot. Highs in the upper 90s. Lows in the mid 70s.
Thursday
Mostly sunny. Highs in the lower 90s.



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602 AM CDT Fri Sep 4 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database