Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Mostly Cloudy

88°F

31°C

Humidity 70%
Wind Speed S 5 mph
Barometer 30.00 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 28 Jun 8:15 pm CDT
Extended Forecast for

2 Miles WNW Donaldsonville LA

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind becoming southeast around 5 mph.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then showers and thunderstorms likely after 10am.  Mostly sunny and hot, with a high near 96. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 70%.

    High: 96 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Sunny and hot, with a high near 95. Calm wind becoming southeast around 5 mph.

    High: 95 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 96. Heat index values as high as 107. Calm wind becoming southeast around 5 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Heat index values as high as 109. Calm wind.
Tuesday Night
Mostly clear, with a low around 76. Calm wind.
Wednesday
A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny and hot, with a high near 96. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%.
Wednesday Night
Partly cloudy, with a low around 76. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Sunny and hot, with a high near 95. Calm wind becoming southeast around 5 mph.
Thursday Night
Partly cloudy, with a low around 76. Calm wind.
Friday
A chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 96. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly clear, with a low around 76. Calm wind.
Independence Day
A chance of showers and thunderstorms. Sunny and hot, with a high near 96. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 94. Calm wind becoming west around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Donaldsonville LA
 30.11°N 91.03°W
2:02 pm CDT Jun 28, 2026
8pm CDT Jun 28, 2026-6pm CDT Jul 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database