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

Heavy Rainfall Continues from the Southwest to the Plains; Severe Thunderstorms in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact the Southwest into the Plains. Scattered severe thunderstorms capable of mainly severe wind gusts appear possible across portions of the southern Plains this afternoon into tonight. There is also a risk of isolated severe winds gusts and tornadoes in Kansas into Nebraska. Read More >

Hazardous Weather Conditions

Current conditions at

Baraboo Wisconsin Dells Airport (KDLL)

Lat: 43.52°NLon: 89.77°WElev: 971ft.

Light Rain

64°F

18°C

Humidity 99%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 64°F (18°C)
Visibility 5.00 mi
Last update 1 Oct 2:55 am CDT
Extended Forecast for

Merrimac WI

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Areas of fog. Low around 64. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers and
    Areas Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then scattered showers. Areas of fog before 11am. High near 66. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers and
    Areas Fog
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 47. North wind around 5 mph.

    Low: 47 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 64. North wind 5 to 10 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 40. Calm wind.

    Low: 40 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 66. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. South wind around 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 69. West wind 5 to 10 mph becoming northwest in the afternoon.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Areas of fog. Low around 64. Calm wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm before 2pm, then scattered showers. Areas of fog before 11am. High near 66. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 47. North wind around 5 mph.
Friday
Sunny, with a high near 64. North wind 5 to 10 mph.
Friday Night
Clear, with a low around 40. Calm wind.
Saturday
Sunny, with a high near 66. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. South wind around 5 mph.
Sunday
Sunny, with a high near 69. West wind 5 to 10 mph becoming northwest in the afternoon.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 64.
Monday Night
Clear, with a low around 40.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merrimac WI
 43.38°N 89.62°W (Elev. 804 ft)
Last Update:
2:36 am CDT Oct 1, 2026
Forecast Valid:
3am CDT Oct 1, 2026-6pm CDT Oct 7, 2026
 
Forecast Discussion
 
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Additional Resources

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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