Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2°NLon: 91.99°WElev: 39ft.

Partly Cloudy

95°F

35°C

Humidity	46%
Wind Speed	SW 8 mph
Barometer	30.02 in (1016.4 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	103°F (39°C)
Last update	20 Aug 1:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles N Duson LA

Heat Advisory August 21, 10:00am until August 21, 08:00pm

Heat Advisory August 20, 02:16pm until August 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory

Heat Advisory August 20, 02:16pm until August 20, 08:00pm
NOW until 8:00pm Thu
Heat Advisory
This Afternoon
High: 97 °F
Hot
Tonight
Low: 78 °F
Mostly Clear
Friday
High: 99 °F
Hot
Friday Night
Low: 78 °F
Slight Chance
T-storms then
Mostly Clear
Saturday
High: 100 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 77 °F
Partly Cloudy
Sunday
High: 99 °F
Hot
Sunday Night
Low: 78 °F
Slight Chance
T-storms

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind around 5 mph.

Tonight

Mostly clear, with a low around 78. Southwest wind around 5 mph.

Friday

Sunny and hot, with a high near 99. Heat index values as high as 112. West wind around 5 mph.

Friday Night

A 20 percent chance of showers and thunderstorms, mainly between 9pm and 11pm. Partly cloudy, with a low around 78. West wind around 5 mph.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. West wind around 5 mph.

Saturday Night

Partly cloudy, with a low around 77. South wind around 5 mph becoming calm.

Sunday

Mostly sunny and hot, with a high near 99. Calm wind becoming west around 5 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm.

Monday

A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98. Calm wind becoming southwest around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 77.

Tuesday

A 30 percent chance of showers and thunderstorms. Sunny, with a high near 95.

Tuesday Night

Mostly clear, with a low around 76.

Wednesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.

Additional Forecasts and Information

Zone Area Forecast for Northern Acadia, LA

Basemap Options

Click map to change the forecast location

Loading map...

ABOUT THIS FORECAST

Point Forecast:

5 Miles N Duson LA
30.29°N 92.18°W

1:55 pm CDT Aug 20, 2026

Forecast Valid:

2pm CDT Aug 20, 2026-6pm CDT Aug 26, 2026

Forecast Discussion

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