National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 13 Aug 11:55 pm EDT
Extended Forecast for

Randolph NJ

  • Overnight

    Overnight: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming northwest around 5 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Calm wind becoming north around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Northeast wind around 5 mph becoming calm in the morning.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 66. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Monday

    Monday: Showers likely before 8am. Mostly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Mostly Sunny

  • Monday Night

    Monday Night:

Detailed Forecast

Overnight
Partly cloudy, with a low around 64. Calm wind.
Friday
Sunny, with a high near 84. Calm wind becoming northwest around 5 mph.
Friday Night
Mostly clear, with a low around 63. Calm wind becoming north around 5 mph.
Saturday
Sunny, with a high near 82. Northeast wind around 5 mph becoming calm in the morning.
Saturday Night
Partly cloudy, with a low around 63. Calm wind.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 66. Chance of precipitation is 90%.
Monday
Showers likely before 8am. Mostly sunny, with a high near 83. Chance of precipitation is 60%.
Monday Night
Tuesday
Tuesday Night
Wednesday
Wednesday Night
Thursday
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Randolph NJ
 40.85°N 74.57°W (Elev. 991 ft)
Last Update:
11:46 pm EDT Aug 13, 2026
Forecast Valid:
12am EDT Aug 14, 2026-6pm EDT Aug 20, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation