textproduct: La Crosse

KEY MESSAGES

- Heavy rain will move out of the area overnight. This rain will result in minor flooding along the Kickapoo River; Baraboo River at Kendall Village, WI; and Yellow River at Necedah, WI.

- Up to a quarter inch of ice is expected overnight in Clark and Taylor counties.

DISCUSSION

Issued at 1231 AM CDT Sat Apr 4 2026

Overnight

As the cold front moves east overnight, the threat for flash flooding will come to an end across northeast Iowa, southeast Minnesota, and southwest Wisconsin. This should move southeast Minnesota and northeast Iowa by 1 AM and in southwest and central Wisconsin by 4 AM.

Meanwhile, further north in north-central Wisconsin, freezing rain will gradually end between 6 AM and 8 AM. Up to a quarter inch of additional ice will be possible in eastern Taylor County and up to 2 tenths of an inch in Clark County. As a result, no changes are likely needed for the Winter Weather Advisory in these counties.

This Afternoon and Evening

The surface low will move northeast across Ontario this afternoon and into Quebec this evening. Wrap-around precipitation, associated with the deformation band, will move east across north-central Wisconsin. Elsewhere, the combination of steep 950-850 mb lapse rate and surface-based CAPES up to 50 J/kg will result in scattered rain/snow showers. There might be some graupel at times with some of the stronger showers. High temperatures will range from the upper 30s to around 50.

Easter Sunday Afternoon and Sunday Evening

A shortwave trough will move southeast through the region during the afternoon of Easter Sunday and Sunday evening. Steep 950-900 mb lapse rates will result in another round of scattered rain and snow showers. Accumulations will on the light side. High temperatures will range from the lower 40s to lower 50s.

Tuesday Night into Next Weekend

A cold front will move southeast into the region on Tuesday night and Wednesday. This front will then become semi-stationary for the remainder of the week. As low pressure systems moves along this front, there will be periodic showers and storms. High temperatures will be primarily in the 50s.

AVIATION /06Z TAFS THROUGH 06Z SUNDAY/

Issued at 1231 AM CDT Sat Apr 4 2026

Showers will move out the TAF sites between 04.09z and 04.11z. Otherwise, IFR/MVFR ceilings will persist through the TAF forecast period.

HYDROLOGY

Issued at 1231 AM CDT Sat Apr 4 2026

Heavy rain from Friday afternoon into Friday night has resulted in rises on area rivers. Minor flooding is expected along the Kickapoo River; Baraboo River at Kendall Village, WI; and Yellow River at Necedah, WI.

ARX WATCHES/WARNINGS/ADVISORIES

WI...Winter Weather Advisory until 7 AM CDT this morning for WIZ017- 029. MN...None. IA...None.