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Weirton, West Virginia 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Weirton WV
National Weather Service Forecast for: Weirton WV
Issued by: National Weather Service Pittsburgh, PA
Updated: 1:05 am EDT Jul 28, 2025
 
Overnight

Overnight: Areas of fog.  Otherwise, mostly cloudy, with a low around 69. Calm wind.
Areas Fog

Monday

Monday: Areas of fog before 9am.  Otherwise, mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Calm wind.
Areas Fog
then Sunny

Monday
Night
Monday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 70. Calm wind.
Partly Cloudy
then Patchy
Fog
Tuesday

Tuesday: Patchy fog before 8am.  Otherwise, mostly sunny and hot, with a high near 92. Light and variable wind.
Patchy Fog
then Mostly
Sunny
Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 72. Calm wind.
Partly Cloudy

Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny and hot, with a high near 90. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
T-storms
Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Chance
T-storms

Thursday

Thursday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Chance
T-storms

Thursday
Night
Thursday Night: Mostly cloudy, with a low around 62.
Mostly Cloudy

Lo 69 °F Hi 90 °F Lo 70 °F Hi 92 °F Lo 72 °F Hi 90 °F Lo 68 °F Hi 80 °F Lo 62 °F

Hazardous Weather Outlook
 

Overnight
 
Areas of fog. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Monday
 
Areas of fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny and hot, with a high near 90. Calm wind.
Monday Night
 
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 70. Calm wind.
Tuesday
 
Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 92. Light and variable wind.
Tuesday Night
 
Partly cloudy, with a low around 72. Calm wind.
Wednesday
 
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 90. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
 
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Thursday Night
 
Mostly cloudy, with a low around 62.
Friday
 
Mostly sunny, with a high near 77.
Friday Night
 
Mostly clear, with a low around 58.
Saturday
 
Sunny, with a high near 79.
Saturday Night
 
Mostly clear, with a low around 57.
Sunday
 
Sunny, with a high near 79.

 

Forecast from NOAA-NWS for Weirton WV.

Weather Forecast Discussion
850
FXUS61 KPBZ 272343
AFDPBZ

Area Forecast Discussion
National Weather Service Pittsburgh PA
743 PM EDT Sun Jul 27 2025

.SYNOPSIS...
Showers and thunderstorms continue into the early evening with a
crossing trough. Hot and humid weather will return for the
first half of the upcoming week. Showers and thunderstorms
return with a mid week cold front, with cooler and less humid
weather to end the week.

&&

.NEAR TERM /THROUGH MONDAY/...
KEY MESSAGES:


- Areas of fog late tonight, locally dense
- Limited shower/storm chances Monday, mainly across eastern OH
---------------------------------------------------------------

A drier column and increasing subsidence will lead to some partial
clearing overnight. With light wind, lingering low-level moisture,
and a wet ground, areas of fog and stratus are a good bet
tonight, and could be locally dense towards morning.

The fog and low stratus should mix out Monday morning after sunrise.

Dry weather is expected for much of the area during the day as a low-
level high pressure builds in from the northwest. The Upper Ohio
Valley region is expected to be under a west-northwest flow aloft,
and a weak shortwave embedded in this flow could spark a few showers
and thunderstorms Monday evening, mainly across Ohio, as it tracks
east.


&&

.SHORT TERM /MONDAY NIGHT THROUGH TUESDAY NIGHT/...
KEY MESSAGES:

- Mainly dry Tuesday
- Hot and humid through the period
----------------------------------------------------------------

An upper-level high is progged to build across the Central CONUS on
Tuesday, with the Upper Ohio Valley region on the NE periphery of
the high. Model soundings indicate the region should be capped under
warm air aloft, with generally dry conditions expected. Highs are
expected to be in the low to mid 90s for much of the area, with heat
index values ranging from 95 to 100. Dry and warm weather is
expected to continue Tuesday night under the weak surface high.

&&

.LONG TERM /WEDNESDAY THROUGH SUNDAY/...
KEY MESSAGES:

- Hot and humid Wednesday with heat indices around 95F-100F.
- Showers/storms return Wednesday afternoon into Thursday.
- Cooler and less humid to end the week and start the weekend.
-------------------------------------------------------------------

The upper high over the Central CONUS is expected to retrograde to
the west and weaken beginning mid week. A more amplified pattern is
expected across the northern CONUS, with a trough and surface cold
front approaching the Upper Ohio Valley region late Wednesday.
Chance for showers and thunderstorms will begin by Wednesday
afternoon as the shortwave and cold front approach, and continue
through Wednesday night into Thursday as they cross the Upper Ohio
Valley region.

Dry weather is expected to return Thursday night through Saturday,
as surface high pressure builds under NW flow aloft. This should
result in cooler and less humid conditions for late week into the
weekend.

&&

.AVIATION /00Z MONDAY THROUGH FRIDAY/...

Increasing subsidence will lead to some partial clearing
overnight, with a short period of VFR through 06Z.

With light wind, lingering low-level moisture, and a wet
ground, areas of fog are expected across multiple terminals
(probabilities are elevated for less than 1SM). HREF shows
40-60 percent probabilities of a half- mile or less visibility
over a large portion of the region late tonight. IFR to LIFR fog
is forecast currently at all terminals with medium to high
confidence.

Fog should lift between 12Z and 14Z Monday morning, with VFR and
light southerly wind by late morning. Stray showers/isolated
storm may linger in the vicinity of ZZV late afternoon, chance
of measurement precip in eastern Ohio is 30-40%.

Outlook... Other than another possible round of morning fog,
VFR conditions are expected through Tuesday. Another chance of
restrictions returns Wednesday with a cold front.

&&

.PBZ WATCHES/WARNINGS/ADVISORIES...
PA...None.
OH...None.
WV...None.

&&

$$

SYNOPSIS...CL
NEAR TERM...CL
SHORT TERM...Lupo
LONG TERM...Lupo
AVIATION...Hefferan/CL
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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