Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Patterson Memorial (KPTN)

Lat: 29.72° N Lon: 91.33° W Elev: 10 ft.

Fair

82°F

28°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 30.11 in (1019.5 mb)
Dewpoint 82°F (28°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 24 Jul 7:56 am CDT
Detailed forecast for

Upper St. Mary

Today
Mostly sunny. Highs in the lower 90s. South winds 5 to 10 mph.
Tonight
Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable.
Saturday
Mostly sunny. Humid with highs in the lower 90s. West winds 5 to 10 mph.
Saturday Night
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph.
Sunday
Sunny with highs in the mid 90s. West winds 5 to 10 mph. Heat index values up to 108.
Sunday Night Through Wednesday Night
Mostly clear. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 110.
Thursday
Mostly sunny. Highs in the mid 90s. Heat index values up to 110.



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306 AM CDT Fri Jul 24 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database