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

Dangerous Heat Wave for the West; Severe Storms and Heavy Rain for Upper Midwest

A sweltering and long duration heat wave will build across the West this weekend through much of next week. Excessive heat warnings/watches along with heat advisories are in effect from the Southwest to the Northwest. Dangerous heat is also persisting across the southern Plains. Meanwhile, severe storms are likely in the Upper Midwest with heavy rain/flooding, damaging winds, hail, and tornadoes. Read More >

Current conditions at

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

86°F

30°C

Humidity 73%
Wind Speed W 5 mph
Barometer 29.97 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 14 Aug 10:15 am CDT
Extended Forecast for

Donaldsonville LA

  • Today

    Today: Showers and thunderstorms, mainly after 1pm. High near 91. Heat index values as high as 105. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    T-storms

    High: 91 °F

  • Tonight

    Tonight: Showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Low around 76. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms then
    Mostly Cloudy

    Low: 76 °F

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 92. West wind around 5 mph. Chance of precipitation is 40%.

    Chance
    Showers then
    Chance
    T-storms

    High: 92 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 76. North wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 76 °F

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 93. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 93 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 74. Calm wind.

    Partly Cloudy

    Low: 74 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north around 5 mph in the morning.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 94 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 73. North wind around 5 mph becoming calm.

    Partly Cloudy

    Low: 73 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming northeast around 5 mph.

    Mostly Sunny
    then Chance
    T-storms

    High: 92 °F

Detailed Forecast

Today
Showers and thunderstorms, mainly after 1pm. High near 91. Heat index values as high as 105. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Low around 76. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 92. West wind around 5 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 76. North wind around 5 mph becoming calm. Chance of precipitation is 20%.
Sunday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 93. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 74. Calm wind.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 73. North wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming northeast around 5 mph.
Tuesday Night
Mostly clear, with a low around 72. Calm wind.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming northeast around 5 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming northeast around 5 mph.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Donaldsonville LA
 30.11°N 91°W
Last Update:
10:15 am CDT Aug 14, 2020
Forecast Valid:
10am CDT Aug 14, 2020-6pm CDT Aug 20, 2020
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation