Toledo Weather

Lucas and Wood Counties

link
350
fxus61 kcle 080738
afdcle

area forecast discussion
national weather service cleveland oh
338 am edt mon jun 8 2026

.what has changed...
no major changes to the forecast.

&&

.key messages...
1) daily chances for showers and thunderstorms beginning this
afternoon and continuing into the weekend. highest chances for
precipitation will be tuesday and thursday afternoon.

2) summertime heat and humidity enter the region with peak heat
index values approaching 100 degrees by mid-week.

&&

.discussion...
key message 1...
high pressure exits to the east today as shortwave aloft approaches
the region. showers and isolated thunderstorms will develop this
afternoon and evening. there may be an isolated stronger
thunderstorm given moderate instability (800-1200 j/kg sbcape) and
weak deep-layer shear (10-20 knots), though anticipating any storms
this afternoon and evening to remain below severe limits.

coverage in showers and thunderstorms will increase by tuesday as a
warm front lifts across the region during the day. moderate
instability (1000-1500 j/kg sbcape) develops with increased deep-
layer shear (20-30 knots). the atmosphere will remain moist as pwats
climb to 2 inches and any thunderstorm that develops will be capable
of producing heavy rainfall. will keep an eye on any flooding
potential but most of the cwa is in need of a good wetting rain.

there will be periodic daily chances for showers and thunderstorms
through the end of the week despite an upper level ridge building
overhead. low confidence in coverage and timing beyond tuesday
depending on the magnitude and placement of the aforementioned
ridge. there is a non-zero chance for severe weather on thursday as
machine learning guidance shows a 15-30% probability for severe
weather across northern ohio and northwest pennsylvania. spc has
highlighted portions just to the west of the cle cwa in their
extended (days 4-8) severe outlook for thursday (june 11).

key message 2...
anticipate a period of above normal temperatures with hot and humid
conditions through the end of the week. summertime temperatures with
afternoon highs in the upper 80s to lower 90s will be coupled with
dew points in the upper 60s to lower 70s. heat indices will also be
on the rise through the week with peak heat index values approaching
100f wednesday and thursday. limited overnight relief as overnight
lows will settle in the upper 60s to lower 70s. early season heat is
oftentimes more dangerous and can pose a greater risk for heat-
related illness. stay hydrated and take frequent breaks out of the
sun and in cooled locations!

&&

.aviation /06z monday through friday/...
vfr for much of the taf. upper level trough moving in from the
west late in the taf period brings convective chances after 23z
for the western terminals, and later further east at mfd. best
way to cover this for now is the prob30 category with minimal
restrictions in place in convection and expect it to be
scattered in nature in terms of coverage. winds easterly become
south southeasterly under 10kts.

outlook...periods of non-vfr likely in occasional showers and
thunderstorms early tuesday through friday.

&&

.marine...
northeast winds 10-20kts today become offshore tonight 10-15kts with
wave heights 1-2ft today becoming less than a foot in the nearshore
zones tonight into tuesday. tuesday night into wednesday, winds
become southwesterly 10-15kts and remain there through thursday.
wave heights nearshore less than 2ft through that period. showers
and storm possible activity possible beginning tonight through
tuesday.

&&

.cle watches/warnings/advisories...
oh...none.
pa...none.
marine...none.

&&

$$

discussion...13
aviation...26
marine...26

Fulton and Henry Counties

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637
fxus63 kiwx 080555
afdiwx

area forecast discussion
national weather service northern indiana
155 am edt mon jun 8 2026

.key messages...

- daily periodic chances for showers and storms possible through
next weekend. highest chances of around 60% monday afternoon
through tuesday then again thursday.

- hot and humid, especially wednesday and thursday. first 90+
degree day of the year likely by late week. heat indices may
approach 100 degrees at times.

&&

.discussion...
issued at 158 pm edt sun jun 7 2026

the stalled boundary over our area this morning has begun slowly
moving southward. the front has completely cleared our area with the
exception being white county, in. chances for showers and storms
remain low today (20-30%) as we end up on the cool side of this
boundary. with a tight instability gradient across northern indiana,
the us 24 corridor and south has the best chances, albeit low, for
seeing a stray shower or storm today. light winds and highs in the
mid 80s are expected this afternoon amidst partly cloudy skies.

a developing upper level low pressure system lifts into the upper
midwest on monday. a few rounds of scattered showers and storms are
expected across the area monday afternoon through tuesday. first,
this upper level low will help pull the stationary front back north
during the day monday. waa strengthens during the daytime hours on
tuesday, bringing warmth, additional rain chances, and allowing for
the boundary to finally clear out.

it will then become hot and humid, especially from tuesday onwards
into late next week. as an upper level ridge builds across the
eastern conus and surface high pressure develops over the southeast
us, an early season heatwave is expected across much of the eastern
us this week. strong southerly flow will allow for heat and humidity
levels to soar in our forecast area. summer-like temperatures in the
upper 80s to low 90s are anticipated with dewpoints in the low to
mid 70s, especially during the peak of this early season heatwave on
wednesday and thursday. the first 90+ degree day is likely for many
locations by the end of the week. while heat and humidity begin to
rise starting early this week, heat indices may approach 100 degrees
during peak heating hours wednesday and thursday. please take the
heat seriously and take steps to prevent heat related illness!

depending on the magnitude and exact placement of the upper
level ridge, there could be daily periodic chances for
rain/storms by mid to late in the week. for now, pops range from
20-60% each day for wednesday and beyond with low confidence on
exact timing and coverage. spc did include much of our forecast
area in their day 5 severe outlook for thursday, june 11th.
models diverge on an exact solution but a cold front could move
through, causing a setup where severe weather with all hazards
could be possible. pattern recognition tells me that this is
often how we break our hot and humid patterns during the
summertime either with a cold front or with storms that ride the
edge of the upper level ridge.... stay tuned!

&&

.aviation /06z tafs through 06z tuesday/...
issued at 149 am edt mon jun 8 2026

predominantly vfr conditions at the terminals, with mvfr
conditions more likely towards the end of the period. brief
drops to ifr visibility are possible within any heavier showers
or thunderstorms. stalled frontal boundary to the south of both
terminals tonight triggered a few showers/isolated storms this
evening--but expect these not to impact terminals. increasing
potential for shower/t-storm activity towards the
afternoon/overnight period--with more persistent rain possible
towards 3-6z. showers/storms difficult to predict further out in
these patterns, so have prob30s for now re: any ifr vis/mvfr
ceilings. easterly winds shift ese to sse for a time this
afternoon.

&&

.iwx watches/warnings/advisories...
in...none.
oh...none.
mi...none.
marine...none.

&&

$$

discussion...johnson
aviation...mcd

Monroe and Lenawee Counties

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776
fxus63 kdtx 080800
afddtx

area forecast discussion
national weather service detroit/pontiac mi
400 am edt mon jun 8 2026

.key messages...

- mostly dry conditions and warmer temperatures today.

- showers and thunderstorms late tonight and tomorrow will pose a
locally heavy rainfall threat.

- wednesday and thursday will see hot and humid conditions along with
additional thunderstorm chances, possibly severe.

&&

.discussion...

surface high pressure slides through the eastern great lakes today
with the high amplitude ridge to follow. dry conditions are expected
to hold throughout the bulk of the daylight hours while still under
the influence of the high pressure. an increase in mean thickness
today will lead to a bump in afternoon high temperatures this
afternoon into the mid and upper 80s for most of the area.

a lower amplitude wave will be lifting into the midwest being drawn
northward by the larger trough over the canadian rockies. the
increasing low level jet flow with this approaching wave will lead
to moisture transport of rich moisture environment with ties to the
gulf into michigan tonight and tomorrow. initial sign of this
moisture will be with increasing cloud cover and pops creeping into
southwest portions of the cwa late this afternoon. greater pops look
to hold off until after 8 pm this evening as scattered activity
arrives with the lead ascent. likely showers and scattered
thunderstorms expected during the day tuesday supported by larger
scale ascent with the wave moving overhead and increasing diurnal
instability. pwats are expected to climb to around 2.00 inches,
which will be well above climatological norms and ranking around the
99th percentile, while surface dewpoints climb to the mid/upper 60s
to low 70s. forecast soundings continue to indicate tall skinny cape
profiles, weak cloud layer winds, and warm cloud depth. the result
will be convection that will pose a locally heavy rainfall threat
given the impressive moisture that will available along with the
slower storm motion. the overall severe threat will remain low given
the weak shear profiles, but isolated strong winds will remain
possible given the potential for water loaded downbursts.

return flow becomes established wednesday east of troughing
extending across the northern plains into the upper midwest. this
will lead to strong low level warm advection that will send 850 mb
temperatures to around 20c. forecast will continue to highlight the
mid to late week heat and humidity. nbm continues to be on the
higher side of guidance, but airmass will be supportive of
temperatures well into the 80s and possibly low 90s as surface
dewpoints hold in the 60s to low 70s. this would put heat indices
that will approach 100 degrees if the higher temperatures look to
verify. the higher temperature outcome will be dependent on the
convective potential and associated cloud cover both wednesday and
thursday. stronger southwest flow with increasing bulk shear and
moderately strong instability elevates the severe weather potential
both wednesday and thursday/thursday night.

&&

.marine...

high pressure will center over new england this morning which will
back wind direction from east to southeast. winds will remain light
with dry weather expected for most of the day. a weak low pressure
system will arrive late tonight into tomorrow which will bring
scattered to numerous showers and a chance for some embedded
thunderstorms. there will be some additional chances for rain
showers and thunderstorms wednesday into thursday. the overall
pressure gradient will stay weak, holding wind gusts aob 20 knots
through the middle of the week, with some localized stronger gusts
possible with any thunderstorms.

&&

.hydrology...

a moisture rich environment will pose a locally heavy rainfall
threat late tonight through tuesday. majority of ensemble members
put qpf amounts within 0.25" to 0.75", but the environment will be
supportive of pockets of 1.00" to 2.00" rainfall amounts or greater.
thus, highly variable amounts are expected across southeast
michigan. convective rainfall rates will have potential to reach
1.00" or greater at times, especially during the day tuesday. low
confidence exists at this time as to where these heavier pockets of
rainfall would fall, but the environment will certainly support
isolated flash flooding potential especially if it occurs over any
urban areas or flood prone areas.

&&

.prev discussion...
issued at 1133 pm edt sun jun 7 2026

aviation...

strong high pressure will remain dominate across the eastern great
lakes tonight and monday. dry air circulating around this system
will maintain clear skies tonight. the position of the surface high
will result in light easterly winds tonight, transitioning to
southeast on monday. an approaching upper level trough will lead to
increasing mid and high clouds during the late afternoon and evening
monday.

d21/dtw convection...no thunderstorms expected through the taf
period.

dtw threshold probabilities...

* low for cigs aob 5000 feet monday evening.


&&

.dtx watches/warnings/advisories...
mi...none.
lake huron...none.
lake st clair...none.
michigan waters of lake erie...none.
&&

$$

discussion...aa
marine.......am
hydrology....aa
aviation.....sc


you can obtain your latest national weather service forecasts online
at www.weather.gov/detroit.