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

Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Hazardous Weather Conditions

Current conditions at

John F Kennedy Memorial Airport (KASX)

Lat: 46.55°NLon: 90.92°WElev: 814ft.

Fog/Mist

54°F

12°C

Humidity 100%
Wind Speed SW 5 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 54°F (12°C)
Visibility 1.50 mi
Wind Chill53°F (12°C)
Last update 29 Jul 1:53 am CDT
Extended Forecast for

Ashland WISimilar City Names

Heat Advisory July 29, 12:00pm until July 29, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Calm wind becoming southwest around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 11am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Cloudy, with a low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm.

    Low: 60 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 77. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Northeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 62. Calm wind.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph.
Wednesday Night
Partly cloudy, with a low around 67. Calm wind becoming southwest around 5 mph.
Thursday
A slight chance of showers between 11am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Cloudy, with a low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 77. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 57. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 77. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the afternoon.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 65. East wind around 5 mph becoming southwest after midnight.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. West wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ashland WISimilar City Names
 46.58°N 90.88°W
Last Update:
2:06 am CDT Jul 29, 2026
Forecast Valid:
2am CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation