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

Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Fair

61°F

16°C

Humidity 44%
Wind Speed W 3 mph
Barometer 29.92 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 7 Oct 8:55 pm CDT
Extended Forecast for

4 Miles NNW Merrimac WI

  • Tonight

    Tonight: Mostly clear, with a low around 48. Northwest wind 5 to 10 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers. Mostly sunny, with a high near 69. Light south wind increasing to 5 to 10 mph in the morning.

    High: 69 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. South wind around 10 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. South wind around 10 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74. South wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Sunday Night

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

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 48. Calm wind.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 69. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 58. South wind around 10 mph.
Saturday
Sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 59. South wind around 10 mph.
Sunday
Sunny, with a high near 74. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 57.
Columbus Day
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 69.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 45.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Merrimac WI
 43.42°N 89.65°W (Elev. 1299 ft)
Last Update:
8:36 pm CDT Oct 7, 2026
Forecast Valid:
9pm CDT Oct 7, 2026-6pm CDT Oct 14, 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