Wausau, Wisconsin 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Wausau WI
National Weather Service Forecast for:
Wausau WI
Issued by: National Weather Service Green Bay, WI |
Updated: 8:56 pm CDT Jun 26, 2025 |
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Tonight
 Showers and Patchy Fog then Showers Likely and Patchy Fog
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Friday
 Areas Fog then Mostly Cloudy
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Friday Night
 Partly Cloudy
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Saturday
 Mostly Sunny
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Saturday Night
 Chance T-storms
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Sunday
 Chance Showers then T-storms Likely
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Sunday Night
 Chance T-storms
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Monday
 Slight Chance Showers then Slight Chance T-storms
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Monday Night
 Mostly Clear
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Lo 60 °F |
Hi 71 °F |
Lo 55 °F |
Hi 81 °F |
Lo 67 °F |
Hi 82 °F |
Lo 64 °F |
Hi 81 °F |
Lo 60 °F |
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Hazardous Weather Outlook
Tonight
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Showers and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a slight chance of showers after 4am. Patchy fog. Low around 60. East southeast wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
Friday
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Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 71. West southwest wind 9 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph. |
Friday Night
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Partly cloudy, with a low around 55. Northwest wind 5 to 9 mph becoming calm after midnight. |
Saturday
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Mostly sunny, with a high near 81. Calm wind becoming south southwest 5 to 7 mph in the afternoon. |
Saturday Night
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A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 6 mph. |
Sunday
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A chance of showers, then showers and thunderstorms likely after 10am. Partly sunny, with a high near 82. Chance of precipitation is 70%. |
Sunday Night
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A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%. |
Monday
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A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%. |
Monday Night
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Mostly clear, with a low around 60. |
Tuesday
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A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 80. |
Tuesday Night
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Mostly clear, with a low around 59. |
Wednesday
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A 30 percent chance of showers. Mostly sunny, with a high near 80. |
Wednesday Night
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A 20 percent chance of showers. Partly cloudy, with a low around 59. |
Thursday
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A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. |
Forecast from NOAA-NWS
for Wausau WI.
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Weather Forecast Discussion
970
FXUS63 KGRB 262321
AFDGRB
Area Forecast Discussion
National Weather Service Green Bay WI
621 PM CDT Thu Jun 26 2025
Updated aviation portion for 00Z TAF issuance
.KEY MESSAGES...
- There is a slight risk of severe thunderstorms in central Wisconsin
and the southern Fox Valley late this afternoon and evening.
Damaging winds and a few tornadoes are possible. The greatest
threat is expected southwest of a line from Marshfield to
Oshkosh. Severe weather will be most likely between 4 pm and 10
pm.
- A Flood Watch has been issued for central Wisconsin and the
southern Fox Valley, where soils are already saturated and
additional rainfall amounts of 1.5 to 3 inches are expected.
Areas with greatest flood potential include low-lying and urban
areas, though localized river flooding may also occur.
- Near/below temperatures continue through Friday, then increasing
heat and humidity into the weekend, with highs near 90 by
Sunday.
- There is a chance of strong to severe storms late this weekend,
especially Sunday afternoon and evening.
&&
.DISCUSSION...
Issued at 259 PM CDT Thu Jun 26 2025
Forecast concerns include severe weather and flooding potential
through this evening, and another couple rounds of strong to
severe storms from Saturday night through Sunday evening.
Heavy Rainfall/Flooding Concerns: Will continue the Flood Watch
for Wood, Portage, Waupaca, Waushara and Winnebago counties from
4 pm today through 4 am Friday. Much of this area has received
1.5 to 3 inches of rain since Monday, so soils are saturated. A
west to east line of storms extending from KLSE-KDLL-KUNU will
continue to lift north into our southern counties between 4-5 pm,
followed by a well-developed squall line crossing central and east
central WI from 6-10 pm. Both of these lines will be capable of
producing torrential rainfall, given PWATs approaching 2 inches,
and enough elevated instability to support higher rainfall rates
with convection. The end time of the watch is likely longer than
it needs to be, as most of the heavier rain will be gone by late
evening, but wanted to match the end time of ARX`s Flood Watch to
our southwest.
Severe Weather Threat Through This Evening: Most models keep the
warm front and associated surface based instability south of the
forecast area late this afternoon/evening, but given the close
proximity of the front (shallow stable layer near the surface),
MUCAPE of 500-1000 j/kg, deep layer shear of 40-45 kts, 0-3 km
SRH of 200-300 m2/s2, there is potential for supercells with
damaging winds and a few tornadoes, especially in our far
southwest counties. CAMs show development starting in our far
southwest by 4-5 pm. A squall line will also move through C/EC
from west to east between 6 and 10 pm, with potential for sporadic
strong to damaging gusts.
Rest of the Forecast: Quieter conditions expected friday and
Saturday, with warmer temperatures in the 80s arriving for the
weekend. A weak cold front is expected to approach the region
Saturday night, then move through on Sunday and Sunday night, and
this should bring a good chance of storms. With SBCAPE rising to
2-4k j/kg on Sunday, there is ample instability to support severe
storms. However, deep layer shear is on the weak side; around
20-25 knots. Drier and more comfortable condiitons are expected
for much of the following work week.
&&
.AVIATION...for 00Z TAF Issuance
Issued at 621 PM CDT Thu Jun 26 2025
Generally poor flying conditions will move into the region during
the TAF period from heavy rain and thunderstorms this evening,
rain overnight, and low ceilings and fog by Friday morning.
Most locations have MVFR to IFR ceilings moving into the region as
showers and thunderstorms move in. Thunderstorm extent northwards
seems uncertain, so only made brief mention for RHI. May need to
extend thunder in this region if storms can work their way
northwards, but certainty isn`t high. Elsewhere a band of
thunderstorms will work its way across the region through the
early overnight. Kept a TEMPO group in place for the main period
of scattered thunderstorms this evening.
A low stratus deck plus recent rain will likely lead to IFR and
possibly even LIFR from fog in the morning hours Friday before
some improvement is possible by the late morning to early
afternoon. Most locations will still be sitting at MVFR by the
early afternoon hours on Friday.
&&
.GRB WATCHES/WARNINGS/ADVISORIES...
Flood Watch until 4 AM CDT Friday for WIZ035>037-045-048.
&&
$$
DISCUSSION.....Kieckbusch
AVIATION.......Uhlmann
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