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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Fair

58°F

14°C

Humidity 97%
Wind Speed Calm
Barometer 30.16 in (1022.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Aug 5:56 am EDT
Extended Forecast for

4 Miles WNW Westford MA

  • Today

    Today: Sunny, with a high near 86. Calm wind becoming west 5 to 8 mph in the morning.

    Sunny

    High: 86 °F

  • Tonight

    Tonight: Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 67 °F

  • Tuesday

    Tuesday: Isolated showers and thunderstorms after 11am.  Mostly sunny, with a high near 89. Southwest wind 5 to 11 mph.  Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 71. South wind 8 to 10 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 71 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely before noon, then a slight chance of showers between noon and 1pm. Some of the storms could produce heavy rain.  Partly sunny, with a high near 81. West wind around 7 mph.  Chance of precipitation is 60%.

    Heavy Rain
    then Slight
    Chance
    Showers

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Thursday

    Thursday: Sunny, with a high near 77.

    Sunny

    High: 77 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 55.

    Mostly Clear

    Low: 55 °F

  • Friday

    Friday: Sunny, with a high near 77.

    Sunny

    High: 77 °F

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming west 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Isolated showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Southwest wind 5 to 11 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 71. South wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely before noon, then a slight chance of showers between noon and 1pm. Some of the storms could produce heavy rain. Partly sunny, with a high near 81. West wind around 7 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 77.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53.
Saturday
Patchy fog. Otherwise, sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 76.
Click Map For Forecast
Point Forecast:
4 Miles WNW Westford MA
 42.62°N 71.49°W (Elev. 305 ft)
3:25 am EDT Aug 21, 2017
6am EDT Aug 21, 2017-6pm EDT Aug 27, 2017
 
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