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

Heavy Rain and Thunderstorms in the Plains; Tropical Moisture Brings Heavy Rain to Southern California and Southwest

Heavy rain showers and thunderstorms, some severe, will persist across the Plains and Mississippi Valley through Friday. Increasing tropical moisture from the remnants of Mario will bring showers, thunderstorms, and a flash flooding threat across much of southern California into the Desert Southwest through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

St. Croix (TISX)

Lat: 17.7°NLon: 64.81°WElev: 62ft.

Fair

79°F

26°C

Humidity 84%
Wind Speed N 7 mph
Barometer 29.89 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Sep 11:53 pm AST
Extended Forecast for

2 Miles NNE Grove Place VI

  • Overnight

    Overnight: Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. East southeast wind around 14 mph. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers and thunderstorms after 3pm. Mostly cloudy, with a high near 85. Southeast wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Scattered showers, mainly before 9pm. Partly cloudy, with a low around 77. East wind 9 to 11 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 86. East southeast wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers. Partly cloudy, with a low around 77. East wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers. Mostly sunny, with a high near 87. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 30%.

    High: 87 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. East southeast wind 6 to 8 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. East wind around 6 mph.

    Low: 76 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. East southeast wind around 14 mph. Chance of precipitation is 50%.
Thursday
Scattered showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then scattered showers and thunderstorms after 3pm. Mostly cloudy, with a high near 85. Southeast wind 9 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Scattered showers, mainly before 9pm. Partly cloudy, with a low around 77. East wind 9 to 11 mph. Chance of precipitation is 30%.
Friday
Scattered showers. Partly sunny, with a high near 86. East southeast wind 6 to 10 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers. Partly cloudy, with a low around 77. East wind 3 to 7 mph. Chance of precipitation is 30%.
Saturday
Scattered showers. Mostly sunny, with a high near 87. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 77. Calm wind.
Sunday
Mostly sunny, with a high near 86. East southeast wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 76. East wind around 6 mph.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Scattered showers. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
Scattered showers. Mostly cloudy, with a low around 77. Chance of precipitation is 50%.
Wednesday
Showers likely. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Grove Place VI
 17.75°N 64.82°W (Elev. 390 ft)
Last Update:
4:29 pm AST Sep 17, 2025
Forecast Valid:
12am AST Sep 18, 2025-6pm AST Sep 24, 2025
 
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