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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Partly Cloudy

97°F

36°C

Humidity 39%
Wind Speed SW 10 G 20 mph
Barometer 29.90 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 17 Aug 2:47 pm EDT
Extended Forecast for

Brunswick MD

  • This Afternoon

    This Afternoon: Isolated showers, then scattered showers and thunderstorms after 5pm. Partly sunny, with a high near 93. Heat index values as high as 100. West wind around 7 mph. Chance of precipitation is 30%.

    High: 93 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 9pm. Mostly cloudy, with a low around 68. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 78. Northeast wind around 10 mph. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 64. East wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Mostly cloudy, with a high near 77. East wind around 6 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Isolated showers, then scattered showers and thunderstorms after 5pm. Partly sunny, with a high near 93. Heat index values as high as 100. West wind around 7 mph. Chance of precipitation is 30%.
Tonight
Scattered showers and thunderstorms before 9pm. Mostly cloudy, with a low around 68. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 78. Northeast wind around 10 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 64. East wind 3 to 7 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 77. East wind around 6 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
A chance of showers. Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brunswick MD
 39.33°N 77.61°W (Elev. 404 ft)
Last Update:
1:29 pm EDT Aug 17, 2025
Forecast Valid:
3pm EDT Aug 17, 2025-6pm EDT Aug 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