Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Partly Cloudy

74°F

23°C

Humidity 79%
Wind Speed SE 3 mph
Barometer 29.93 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 11 Aug 8:35 am EDT
Extended Forecast for

Chillum MD

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 90. West wind 5 to 7 mph.  Chance of precipitation is 30%.

    High: 90 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming light and variable.  Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 7am, then a slight chance of showers after 2pm.  Partly sunny, with a high near 88. Northwest wind 5 to 7 mph.  Chance of precipitation is 20%.

    High: 88 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers.  Mostly cloudy, with a low around 72. Light and variable wind.  Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 90. West wind 3 to 7 mph.  Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms before 2pm.  Mostly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. West wind 5 to 7 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 30%.
Wednesday
A slight chance of showers before 7am, then a slight chance of showers after 2pm. Partly sunny, with a high near 88. Northwest wind 5 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 20%.
Thursday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 90. West wind 3 to 7 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Chillum MD
 38.95°N 76.99°W (Elev. 98 ft)
7:53 am EDT Aug 11, 2026
8am EDT Aug 11, 2026-6pm EDT Aug 17, 2026
 
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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