Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Patterson Memorial (KPTN)

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

Partly Cloudy

93°F

34°C

Humidity 64%
Wind Speed NW 12 mph
Barometer 29.74 in (1007.1 mb)
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index110°F (43°C)
Last update 22 Jul 2:56 pm CDT
Detailed forecast for

Lower St. Martin

Tonight
Showers likely. A chance of thunderstorms, mainly this evening. Lows in the upper 70s. Northeast winds 15 to 20 mph, becoming east after midnight. Gusts up to 35 mph. Chance of rain 70 percent. Heat index values up to 108 early this evening.
Thursday
Mostly sunny with a chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent.
Thursday Night
Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the upper 70s. Southeast winds 5 to 10 mph.
Friday
Mostly sunny. Humid with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 106.
Friday Night
Mostly clear. Humid with lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable.
Saturday Through Sunday
Partly cloudy. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105.
Sunday Night Through Tuesday Night
Mostly clear. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 110.
Wednesday
Mostly sunny. Highs in the mid 90s. Heat index values up to 115.



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306 PM CDT Wed Jul 22 2026
 
 

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