Mc Allister School Wisconsin Weather Forecast Discussion

317
FXUS63 KGRB 131914
AFDGRB
Area Forecast Discussion
National Weather Service Green Bay WI
214 PM CDT Mon Oct 13 2025
Forecast discussion for routine afternoon forecast issuance
.KEY MESSAGES...
- Cold temperatures are expected tonight. Cooler, but still near
  normal, readings for Tuesday and Wednesday, with a warm up for
  late in the week.
- Dry weather expected tonight into Tuesday. Additional rain
  chances Tuesday evening/night and again at times later this week
  and into the weekend.
&&
.DISCUSSION...
Issued at 213 PM CDT Mon Oct 13 2025
Clearing will continue to make its way west through the early
evening, with mostly clear skies expected tonight. The mostly
clear skies and light winds will allow for abundant radiational
cooling overnight, allowing temperatures to plummet across the
region. Lows tonight are expected to fall to around 30 across the
north, with middle 40s along the Lake Michigan shoreline.
North to northeast winds will bring cooler temperatures on
Tuesday, as highs only rise into the 50s across the north and
around 60 across the Fox Valley and lakeshore. Dry weather is
expected for much of Tuesday, with a shortwave bringing a chance
for some showers Tuesday night. The best chances (40-60 percent)
will be south of highway 29 where the best 700-850 mb
frontogenesis will reside with lesser chances (30-40 percent)
across northern Wisconsin just north of the main frontogenesis.
After a brief period of dry weather Wednesday and Wednesday night,
the chance for rain will return Thursday and continue through the
weekend as several low pressure systems and associated mid level
shortwaves track through the area. Despite the prolonged period of
rain chances, the rain itself looks to be light and showery and by
no means several days of heavy rain. There will also very likely
be dry periods intermixed during these periods; however, these are
difficult to parse out this far in the forecast as the NWP models
diverge this far out. Temperatures will warm back up to above
normal by the end of the week.
&&
.AVIATION...for 18Z TAF Issuance
Issued at 1204 PM CDT Mon Oct 13 2025
Skies will continue to clear from west to east this afternoon as a
cold front tracks through, clearing out a VFR/MVFR deck across
the region with mostly clear skies and VFR skies behind the
clearing. Some mid and upper clouds will move in across the area
later tonight into Tuesday as VFR conditions continue. South winds
will shift to the west-northwest behind the front, generally
under 12 kts. Light winds will then prevail tonight into Tuesday.
&&
.GRB WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
DISCUSSION.....Kurimski
AVIATION.......Kurimski

NWS GRB Office Area Forecast Discussion