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

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Mostly Cloudy

75°F

24°C

Humidity 85%
Wind Speed S 8 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Jun 10:55 pm EDT
Extended Forecast for

Colora MD

Extreme Heat Watch July 2, 11:00am until July 3, 08:00pm
Heat Advisory July 1, 11:00am until July 1, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 70. South wind 7 to 9 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93. Heat index values as high as 102. South wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 93 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly clear, with a low around 74. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind 5 to 8 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 30%.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 70. South wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 93. Heat index values as high as 102. South wind 7 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly clear, with a low around 74. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 78. Southwest wind 5 to 8 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 100.
Friday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colora MD
 39.68°N 76.08°W (Elev. 400 ft)
Last Update:
10:53 pm EDT Jun 30, 2026
Forecast Valid:
11pm EDT Jun 30, 2026-6pm EDT Jul 7, 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