National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Current conditions at

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Mostly Cloudy

94°F

34°C

Humidity 59%
Wind Speed S 5 mph
Barometer 30.10 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 13 Jul 10:35 am CDT
Extended Forecast for

Donaldsonville LA

  • Today

    Today: Showers and thunderstorms, mainly before 5pm. Steady temperature around 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 75. South wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 4pm. Increasing clouds, with a high near 93. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm.

    Low: 75 °F

    Chance
    T-storms then
    Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. Calm wind becoming west around 5 mph.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 93. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 93 °F

    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly before 5pm. Steady temperature around 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 75. South wind around 5 mph becoming calm.
Monday
Showers and thunderstorms likely, mainly before 4pm. Increasing clouds, with a high near 93. Heat index values as high as 105. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76. Calm wind.
Thursday
Showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 93. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm.
Friday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Saturday
Showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Donaldsonville LA
 30.11°N 91°W
Last Update:
10:41 am CDT Jul 13, 2025
Forecast Valid:
10am CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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