Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Current conditions at

Somerville, Somerset Airport (KSMQ)

Lat: 40.62°NLon: 74.67°WElev: 105ft.

A Few Clouds

72°F

22°C

Humidity 91%
Wind Speed Calm
Barometer 29.93 in (1013.3 mb)
Dewpoint 69°F (21°C)
Visibility 7.00 mi
Last update 10 Aug 5:53 pm EDT
Extended Forecast for

Annandale NJ

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 68. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 3pm and 5pm.  Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly between 1am and 3am.  Mostly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind.

    High: 86 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am.  Partly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Mostly Clear
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly sunny, with a high near 86. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms between 3pm and 5pm. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, mainly between 1am and 3am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Annandale NJ
 40.64°N 74.91°W (Elev. 200 ft)
5:37 pm EDT Aug 10, 2026
6pm EDT Aug 10, 2026-6pm EDT Aug 17, 2026
 
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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