Heavy Rainfall and Severe Thunderstorms Possible Across the Central U.S.; Hurricane Lane Continues Westward Across the Central Pacific

An area of low pressure moving across the Central U.S. will continue to bring heavy rainfall and flash flooding across parts of that region, along with the threat for severe thunderstorms through this evening. Meanwhile, swells from Hurricane Lane are reaching parts of Hawaii today, with some additional impacts possible later this week, depending on the storm's track. Read More >

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Fair

73°F

23°C

Humidity 57%
Wind Speed NE 8 mph
Barometer 30.14 in (1021.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 20 Aug 5:56 pm EDT
Extended Forecast for

Waltham MA

  • Tonight

    Tonight: Patchy drizzle after 5am.  Areas of fog after 3am.  Otherwise, increasing clouds, with a low around 58. Northeast wind 3 to 7 mph.

    Partly Cloudy
    then Patchy
    Drizzle and
    Areas Fog

    Low: 58 °F

  • Tuesday

    Tuesday: Patchy drizzle before 9am.  Areas of fog before 8am.  Otherwise, mostly cloudy, with a high near 72. Northeast wind 5 to 7 mph.

    Patchy
    Drizzle and
    Areas Fog
    then Mostly
    Cloudy

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rain.  Patchy fog after 11pm. Low around 65. Southeast wind 5 to 7 mph.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Patchy Fog
    then Heavy
    Rain and
    Patchy Fog

    Low: 65 °F

  • Wednesday

    Wednesday: Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rain.  Patchy fog before noon. High near 81. South wind around 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain
    and Patchy
    Fog then
    Heavy Rain

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 62. Northwest wind around 6 mph.  Chance of precipitation is 30%.

    Chance
    Showers then
    Partly Cloudy

    Low: 62 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    Mostly Sunny

    High: 77 °F

  • Thursday
    Night

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

    Mostly Clear

    Low: 58 °F

  • Friday

    Friday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Friday
    Night

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

    Mostly Clear

    Low: 61 °F

Detailed Forecast

Tonight
Patchy drizzle after 5am. Areas of fog after 3am. Otherwise, increasing clouds, with a low around 58. Northeast wind 3 to 7 mph.
Tuesday
Patchy drizzle before 9am. Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 72. Northeast wind 5 to 7 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rain. Patchy fog after 11pm. Low around 65. Southeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rain. Patchy fog before noon. High near 81. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 62. Northwest wind around 6 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Waltham MA
 42.38°N 71.24°W (Elev. 98 ft)
4:08 pm EDT Aug 20, 2018
6pm EDT Aug 20, 2018-6pm EDT Aug 27, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database