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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

A Few Clouds

80°F

27°C

Humidity 54%
Wind Speed Vrbl 3 mph
Barometer 29.79 in (1008.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Jun 10:54 am EDT
Extended Forecast for

3 Miles SW Ellicott City MD

  • Today

    Today: Mostly sunny, with a high near 85. Southwest wind 5 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 68. South wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 66. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. West wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. Southwest wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 68. South wind 5 to 8 mph, with gusts as high as 18 mph.
Thursday
A chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 90. Southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 66. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Juneteenth
Mostly sunny, with a high near 83. West wind 7 to 11 mph, with gusts as high as 23 mph.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Ellicott City MD
 39.25°N 76.88°W (Elev. 400 ft)
Last Update:
10:53 am EDT Jun 17, 2026
Forecast Valid:
11am EDT Jun 17, 2026-6pm EDT 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