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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Fair

24°F

-4°C

Humidity 93%
Wind Speed Calm
Barometer 30.10 in (1020.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 13 Nov 1:55 am CST
Extended Forecast for

4 Miles N Norwalk WI

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 29. West wind 3 to 5 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54. West wind 5 to 7 mph becoming south in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. South wind 5 to 7 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Light south wind increasing to 5 to 9 mph in the morning.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. South wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 22 mph.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 59 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 44. West wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 23. West wind 5 to 7 mph.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 29. West wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 54. West wind 5 to 7 mph becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 32. South wind 5 to 7 mph.
Friday
Sunny, with a high near 63. Light south wind increasing to 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 48. South wind 7 to 10 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Saturday
Partly sunny, with a high near 59. Breezy, with a northwest wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 26. Northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 44. West wind 9 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 23. West wind 5 to 7 mph.
Monday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 43. Northwest wind 5 to 8 mph becoming east in the afternoon.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. East wind around 7 mph. Chance of precipitation is 40%.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 42. Northeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 26. Northeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Norwalk WI
 43.88°N 90.61°W
Last Update:
2:21 am CST Nov 13, 2025
Forecast Valid:
2am CST Nov 13, 2025-6pm CST Nov 19, 2025
 
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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