Storm Brings Rain and Snow to the Southwest U.S. this weekend; Heavy Snow and Rain for Alaska

A storm will pass through the southwestern U.S. this weekend with widespread rain and mountain snow. Rainfall will be mostly beneficial but poses a risk for dangerous debris flows over recent burn scars. A significant winter storm will impact Alaska through the weekend with heavy snow across western Alaska and heavy rainfall across Southcentral with strong winds and marine/coastal impacts. Read More >

Accumulating snow continues to look likely over parts of south central and southwest Wisconsin Friday night into Saturday morning. A few inches of snow are expected, especially southwest to south of Madison, favoring the Darlington, Monroe, Benton and Dodgeville areas. Low pressure passing by well to the south of Wisconsin across northern Missouri will be the cause of the return of the wintry weather.

There remains some uncertainty regarding snow amounts due to the potential of drier air than expected in the low levels of the atmosphere possibly decreasing snowfall totals.

Snow Friday Night

The snow is expected to begin later in the evening into the overnight, with the main period of snow expected from midnight through 6 or 7 am. The below graphic depicts the estimated start times for the snow:

Onset times

The below image depicts the chance for snowfall greater than 1" occurring later tonight into Saturday morning. The area from Janesville to Lone Rock and southwest of that line has the best chance of receiving between one and four inches of snow, with locally higher amounts possible in Lafayette county.

Here is the latest snowfall estimate across southern Wisconsin for Friday Night into Saturday.

Check out our experimental snowfall probabilities for tonight into Saturday here. These probabilities show considerable uncertainty regarding the amount of snow that will fall during this period. Also review our Winter Weather page for more information.

Slippery conditions from falling snow are expected over a part of south central Wisconsin later tonight into Saturday morning. Stay tuned to the latest forecasts and possible Winter Weather Advisories for the area around Darlington and Benton.

If you are planning travel into Iowa and northern Illinois, west and south of Chicago, moderate to heavy snowfall is expected beginning tonight and lasting into Saturday. Here are where the latest headlines are in effect for these areas:

Latest Hazardous Weather Outlook.

MBK
National Weather Service - Milwaukee/Sullivan

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Storm Brings Rain and Snow to the Southwest U.S. this weekend; Heavy Snow and Rain for Alaska

Snow Expected Tonight into Saturday Morning over Parts of South Central Wisconsin (Updated 3/23 4 am)