Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

Galliano, South Lafourche Airport (KGAO)

Lat: 29.44°NLon: 90.26°WElev: 0ft.

Fair

79°F

26°C

Humidity	84%
Wind Speed	Calm
Barometer	29.97 in
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	9 Aug 2:55 am CDT

More Information:

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

Extended Forecast for

3 Miles WSW Galliano Heliport LA

Overnight
Low: 77 °F
Chance
T-storms
Saturday
High: 89 °F
T-storms
Likely
Saturday Night
Low: 76 °F
Chance
T-storms
Sunday
High: 89 °F
T-storms
Sunday Night
Low: 76 °F
Chance
T-storms
Monday
High: 89 °F
T-storms
Monday Night
Low: 75 °F
T-storms
Likely
Tuesday
High: 89 °F
T-storms
Likely
Tuesday Night
Low: 77 °F
Chance
T-storms

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a steady temperature around 77. Northeast wind around 5 mph.

Saturday

A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 1pm, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 89. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind 5 to 10 mph becoming light after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and thunderstorms likely before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. High near 89. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 80%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 76. East wind around 5 mph becoming calm.

Monday

Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 89. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%.

Monday Night

Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.

Tuesday

Showers and thunderstorms likely. Partly sunny, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%.

Tuesday Night

A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm.

Wednesday

Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

Wednesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm.

Thursday

Showers and thunderstorms likely. Mostly sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 77. South wind around 5 mph becoming calm.

Friday

A chance of showers and thunderstorms. Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.