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Grove City, Ohio 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Grove City OH
National Weather Service Forecast for: Grove City OH
Issued by: National Weather Service Wilmington, OH
Updated: 9:23 pm EDT Jun 26, 2025
 
Tonight

Tonight: A slight chance of showers before 10pm.  Partly cloudy, with a low around 73. Light and variable wind.  Chance of precipitation is 20%.
Slight Chance
Showers then
Partly Cloudy
Friday

Friday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 92. Heat index values as high as 100. Light south wind becoming southwest 5 to 10 mph in the morning.  Chance of precipitation is 20%.
Slight Chance
T-storms

Friday
Night
Friday Night: A chance of showers and thunderstorms, mainly before 2am.  Partly cloudy, with a low around 72. Southwest wind 5 to 8 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
Saturday

Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 87. West wind 6 to 8 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
T-storms
Saturday
Night
Saturday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Low around 69. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers then
Slight Chance
Showers
Sunday

Sunday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Mostly Sunny
then Chance
T-storms
Sunday
Night
Sunday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Chance
Showers then
Partly Cloudy
Monday

Monday: A chance of showers, then showers and possibly a thunderstorm after 2pm.  High near 90. Chance of precipitation is 80%.
Chance
Showers then
Showers
Monday
Night
Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 71. Chance of precipitation is 80%.
Showers

Lo 73 °F Hi 92 °F Lo 72 °F Hi 87 °F Lo 69 °F Hi 90 °F Lo 71 °F Hi 90 °F Lo 71 °F

Hazardous Weather Outlook
Heat Advisory
 

Tonight
 
A slight chance of showers before 10pm. Partly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 20%.
Friday
 
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Friday Night
 
A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 72. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 87. West wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Sunday Night
 
A chance of showers before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Monday
 
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.
Monday Night
 
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 71. Chance of precipitation is 80%.
Tuesday
 
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Tuesday Night
 
Mostly clear, with a low around 65.
Wednesday
 
Mostly sunny, with a high near 85.
Wednesday Night
 
Mostly clear, with a low around 64.
Thursday
 
Sunny, with a high near 86.

 

Forecast from NOAA-NWS for Grove City OH.

Weather Forecast Discussion
958
FXUS61 KILN 270134
AFDILN

Area Forecast Discussion
National Weather Service Wilmington OH
934 PM EDT Thu Jun 26 2025

.SYNOPSIS...
Warm and humid conditions, along with scattered afternoon and
evening thunderstorms, will continue through this weekend.
Precipitation chances will then continue at times into early next
week, peaking on Monday. Temperatures will return to more seasonable
readings toward the middle of next week, with drier conditions
expected.

&&

.NEAR TERM /UNTIL 6 AM FRIDAY MORNING/...
Much of the thunderstorms have dissipated across the area, but some
currently linger across a remaining pocket of instability in
southern Ohio and northeast Kentucky. Aloft, light southeast flow is
resulting in an area of light rain stretching northwest across the
tri-state and lower Miami Valley. All of this activity and the
remnant cloud eventually dissipates overnight. Given the widespread
nature of the rainfall today, patchy fog may be an issue into the
Friday morning commute. Low temperatures bottom out in the upper 60s
and lower 70s.

&&

.SHORT TERM /6 AM FRIDAY MORNING THROUGH FRIDAY NIGHT/...
Scattered/disorganized pulsy convection will continue through sunset
before dissipating thereafter, yielding mostly dry conditions area-
wide for tonight. It will be another warm/muggy night, with lows only
dipping into the lower/mid 70s.

The mid level ridge will begin to flatten even more through Friday
with heights not quite as anamolously-high as the past couple of
days. As a result, temps will be a tad lower with afternoon highs in
the upper 80s to lower 90s. Even with this, humidity (dewpoints) will
still be in the lower 70s, leading to peak afternoon heat index
values in the upper 90s to lower 100s. As such, will maintain the
current Heat Advisory through 8 PM Friday.

Meanwhile, some diurnally-driven SHRA/TSRA are expected once again,
particularly for locales near/E of I-71 where the best instby should
develop. The overall environment may be /slightly/ less conducive to
gusty/damaging wind potential, but the overall high CAPE/low shear
environment remains largely unchanged from today. Any slow-moving or
persistent activity will also bring with it an isolated flood
potential, too.

&&

.LONG TERM /SATURDAY THROUGH THURSDAY/...
Upper ridge flattens out but maintains increased heights ~590dm at
this level, then begins a drop Sun night ahead of a very weak s/w
trough. The upper trough crosses CWA Mon night and nw flow aloft
takes its place. GFS never really drops much, maintaining a 30dm
increase over the ECMWF, and has support from the Canadian model.
Ahead of a building high pressure ridge in the upper Midwest,
heights begin to increase again on Thurs per Canadian and GFS. Euro
at this time continues a cool nw flow and lower heights. Ridge
should be over local area later on Friday.

Saturday looks to have a weak fropa and associated shower/tstorm
activity, with a notable decrease in the evening. A chance of precip
exists on Sun, decreasing again overnight. This precip threat looks
to be an artifact of the NBM and should be dry in the north with
lower chances to the south per deterministic models and neutral/weak
height increases. Mon/Mon night stand a good chance for more
convective activity given the upper trough and a trailing surface
fropa. Once again, NBM pops on Tuesday are likely noise from the
blended ensemble members. It will depend on if front is still in the
southeast in the morning with a potential for lingering showers, but
fcst should be trimmed by 20-30% on Tues and continued dry through
Thurs.

Temps drop into the mid 80s on Sat and hover near 90 Sun/Mon,
dropping to the mid 80s for the remainder of the fcst. Lows near 70
will drop to the mid 60s Tues night, lingering there for rest of
fcst.

&&

.AVIATION /02Z FRIDAY THROUGH TUESDAY/...
Thunderstorm activity has finally cleared area TAF sites this
evening, with any lingering light rain dissipating within the next
hour or two. With all of the thunderstorm generated outflow
boundaries, winds are a bit variable across the area but generally
less than 10 knots. Eventually, winds will either become light out of
the south or completely calm. VFR CIGs are expected into the
overnight as debris clouds left over from the thunderstorms gradually
clears.

Through the early morning (08Z-12Z), there are some expectations for
fog development due to the added moisture from the rainfall today.
These forecasts are typically made with low confidence so expect some
adjustments through the overnight.

Southerly flow will become more southwesterly Friday afternoon with
another round of showers and thunderstorms expected.

OUTLOOK...Thunderstorms are possible each day through Monday, mainly
in the afternoon and evening.

&&

.ILN WATCHES/WARNINGS/ADVISORIES...
OH...Heat Advisory until 8 PM EDT Friday for OHZ026-034-035-042>046-
     051>056-060>065-070>074-077>082-088.
KY...Heat Advisory until 8 PM EDT Friday for KYZ089>100.
IN...Heat Advisory until 8 PM EDT Friday for INZ050-058-059-066-073>075-
     080.

&&

$$

SYNOPSIS...JGL
NEAR TERM...McGinnis
SHORT TERM...JGL
LONG TERM...JGL
AVIATION...McGinnis
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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