Threat For Severe Thunderstorms For The Mid Atlantic And Northeast; Hurricane Lane Continues Westward Across the Central Pacific

Showers and thunderstorms will impact the Mid Atlantic and Northeast U.S. on Tuesday. Some of the storms could produce damaging winds, large hail, and heavy rainfall. Localized flooding will be possible. The major I-95 cities from Washington D.C. to New York could be impacted. Major Hurricane Lane will turn northwest and could impact the Hawaiian Islands late week and into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Boulder Municipal Airport (KBDU)

Lat: 40.04°NLon: 105.23°WElev: 5288ft.

Fair

61°F

16°C

Humidity 55%
Wind Speed N 6 mph
Barometer 30.27 in
Dewpoint 45°F (7°C)
Visibility 7.00 mi
Last update 20 Aug 9:54 pm MDT
Extended Forecast for

Boulder CO

  • Tonight

    Tonight: A 20 percent chance of showers after 5am.  Areas of smoke. Partly cloudy, with a low around 53. North northwest wind 3 to 6 mph.

    Areas Smoke
    then Slight
    Chance
    Showers

    Low: 53 °F

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Areas of smoke before noon. Mostly cloudy, with a high near 74. Light north wind becoming east northeast 5 to 9 mph in the afternoon.  Chance of precipitation is 40%.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 74 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight.  Cloudy, with a low around 56. North northeast wind 3 to 6 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    Low: 56 °F

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 9am.  Mostly cloudy, with a high near 77. Light and variable wind becoming east northeast around 6 mph in the afternoon.  Chance of precipitation is 30%.

    Chance
    T-storms

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 57. East southeast wind around 6 mph becoming calm.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 57 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    Mostly Sunny

    High: 84 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 57.

    Partly Cloudy

    Low: 57 °F

  • Friday

    Friday: Sunny, with a high near 86.

    Sunny

    High: 86 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 58.

    Mostly Clear

    Low: 58 °F

Detailed Forecast

Tonight
A 20 percent chance of showers after 5am. Areas of smoke. Partly cloudy, with a low around 53. North northwest wind 3 to 6 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Areas of smoke before noon. Mostly cloudy, with a high near 74. Light north wind becoming east northeast 5 to 9 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 56. North northeast wind 3 to 6 mph. Chance of precipitation is 60%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly cloudy, with a high near 77. Light and variable wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57. East southeast wind around 6 mph becoming calm.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 84.
Click Map For Forecast
Point Forecast:
Boulder CO
 40.05°N 105.22°W (Elev. 5226 ft)
8:20 pm MDT Aug 20, 2018
10pm MDT Aug 20, 2018-6pm MDT Aug 27, 2018
 
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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