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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (KBTR)

Lat: 30.54°NLon: 91.15°WElev: 69ft.

A Few Clouds

80°F

27°C

Humidity 90%
Wind Speed SE 3 mph
Barometer 29.85 in (1010.5 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Jun 8:53 am CDT
Extended Forecast for

3 Miles SSE Monticello LA

Flood Watch June 17, 09:15am until June 19, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 17, 09:15am until June 19, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Today

    High: 85 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 76. Windy, with a south wind 20 to 30 mph decreasing to 10 to 20 mph. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 inches possible.

    Low: 76 °F

    Showers
    Likely and
    Windy then
    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. High near 90. Heat index values as high as 105. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 90 °F

    Heavy Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 79 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 93. Southwest wind around 5 mph. Chance of precipitation is 70%.

    High: 93 °F

    Showers
    Likely then
    T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 85. South wind 5 to 10 mph, with gusts as high as 25 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 76. Windy, with a south wind 20 to 30 mph decreasing to 10 to 20 mph. Winds could gust as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 inches possible.
Thursday
Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. High near 90. Heat index values as high as 105. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 79. South wind 5 to 10 mph. Chance of precipitation is 30%.
Juneteenth
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 93. Southwest wind around 5 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 77. South wind around 5 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 78. South wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 95. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 78. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Monticello LA
 30.45°N 91.02°W
Last Update:
5:31 am CDT Jun 17, 2026
Forecast Valid:
9am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation