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Severe Thunderstorms in the Upper Midwest to the Central Plains; Several Areas of Flash Flood Threat Today

Severe thunderstorms producing severe wind, hail, and localized flash flooding, are expected from the northern/central Plains into the Upper Midwest. Excessive rainfall may produce flash flooding today in portions of the Southeast, the Mid-Atlantic, and Northeast. Much of the Southwest and southern California will be hot and dry and Excessive Heat Watches in effect. Read More >

Hazardous Weather Conditions

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Overcast

68°F

20°C

Humidity 96%
Wind Speed Vrbl 3 mph
Barometer 30.06 in (1018.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 8 Jul 2:56 am EDT
Extended Forecast for

Amherst NH

Heat Advisory July 9, 12:00pm until July 9, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A 20 percent chance of showers. Cloudy, with a low around 67. South wind around 5 mph.

    Slight Chance
    Showers

    Low: 67 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 5pm. Some storms could be severe, with large hail, damaging winds, and heavy rain. Mostly cloudy, with a high near 88. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Mostly Cloudy
    then Severe
    Thunderstorms

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 10pm. Some of the storms could produce small hail and heavy rain. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 67. Southwest wind around 5 mph. New precipitation amounts between a quarter and half of an inch possible.

    Heavy Rain
    then Patchy
    Fog

    Low: 67 °F

  • Thursday

    Thursday: A 30 percent chance of showers after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming southwest around 5 mph.

    Patchy Fog
    then Chance
    Showers

    High: 89 °F

  • Thursday
    Night

    Thursday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. South wind around 5 mph becoming calm.

    Partly Cloudy
    then Patchy
    Fog

    Low: 68 °F

  • Friday

    Friday: Scattered showers, mainly after 10am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Chance of precipitation is 40%.

    Scattered
    Showers and
    Patchy Fog

    High: 88 °F

  • Friday
    Night

    Friday Night: Scattered showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

    Scattered
    Showers

    Low: 67 °F

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    Showers
    Likely

    High: 82 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Chance
    T-storms and
    Patchy Fog

    Low: 67 °F

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 67. South wind around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly after 5pm. Some storms could be severe, with large hail, damaging winds, and heavy rain. Mostly cloudy, with a high near 88. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 10pm. Some of the storms could produce small hail and heavy rain. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 67. Southwest wind around 5 mph. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers after 3pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 95. Calm wind becoming southwest around 5 mph.
Thursday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 68. South wind around 5 mph becoming calm.
Friday
Scattered showers, mainly after 10am. Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Chance of precipitation is 40%.
Friday Night
Scattered showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Sunday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Scattered showers. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 64.
Tuesday
Scattered showers. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Amherst NH
 42.85°N 71.64°W (Elev. 348 ft)
Last Update:
3:34 am EDT Jul 8, 2020
Forecast Valid:
3am EDT Jul 8, 2020-6pm EDT Jul 14, 2020
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation