Regional Weather Summary
Issued by NWS La Crosse, WI

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AWUS83 KARX 181023


Weather Summary for Upper Mississippi River Valley
National Weather Service La Crosse WI
423 AM CST Sun Feb 18 2018

A weak ridge of high pressure drifted across the Upper Midwest
during the late evening and overnight hours. This high brought a
period of mostly clear skies to the region. By early this morning
clouds ahead of low pressure moving across South Dakota were
spreading over the north parts of the region, with patchy fog
developing over the south parts. Early morning temperatures ranged
from around 5 below in far northern Minnesota, to near 30 in
southwest Iowa.

The low will move into Minnesota and northern Wisconsin today,
bringing warm and windy conditions to the central and south parts
of the region and some snow to the far north. Winds over the
central and south parts are expected to be south and 20 to 30 mph
gusting up to 45 mph, especially across open country areas of Iowa
and southern Minnesota. Look for highs today to range from the 30s
across the northland to the lower 50s across southern Iowa.

Moisture and precipitation chances increase over mainly the
western and south parts of the region by later tonight. Light
snow is expected across the northland, to the south some light
rain, with a wintry mix in between from northwest Iowa across
southern Minnesota into western Wisconsin. Winter weather
advisories are posted for much of these areas from later tonight
into Monday for the wintry mix. Lows tonight are going to range
from some single digits in northwest Minnesota, to the upper 30s
in southeast Iowa.

A messy mix of wintry weather is going to continue across much of
the region Monday, with snow in the north, a mix across the
central parts and rain across the south.

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