Mercer County Pennsylvania Weather Page

Mercer County Pennsylvania Weather Page Relaying weather information for Mercer county Pennsylvania since 8-December-2010. Weather information for Mercer county Pennsylvania.

Feel free to comment and tell us whats happening where you are. On the left side of the page is links to the current observations, forecast, radar, cameras, photos, etc. Severe weather warnings are automatically updated to the page. Facebook text alerts are not very reliable so if you want a more assured way of receiving text alerts from our page follow the steps below.

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11/04/2025

Hazardous Weather Outlook... CORRECTED
National Weather Service Pittsburgh PA
332 AM EST Tue Nov 4 2025

PAZ007>009-015-016-050845-
Mercer-Venango-Forest-Clarion-Jefferson PA-
332 AM EST Tue Nov 4 2025

This Hazardous Weather Outlook is for northwest Pennsylvania and western Pennsylvania.
DAY ONE... Today and tonight.

Hazardous weather is not expected at this time.
DAYS TWO THROUGH SEVEN... Wednesday through Monday.

A cold front will cross the region Wednesday afternoon and early evening. There is a Marginal Risk, or level 1 out of 5, for isolated damaging wind gusts associated with heavy rain showers as this front moves through.
SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures.

$$

WM

11/03/2025

What's happening weather-wise this week:

10/31/2025

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
158 PM EDT Fri Oct 31 2025

PAZ007>009-013>016-020>022-029-031-073>078-WVZ001>004-012-021- 509>513-011800-
Mercer-Venango-Forest-Lawrence-Butler-Clarion-Jefferson PA-Beaver- Allegheny-Armstrong-Washington-Greene-Westmoreland-
Higher Elevations of Westmoreland-Fayette-
Higher Elevations of Fayette-Indiana-Higher Elevations of Indiana- Hancock-Brooke-Ohio-Marshall-Wetzel-Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston- Eastern Preston-Western Tucker-
158 PM EDT Fri Oct 31 2025

This Hazardous Weather Outlook is for western Pennsylvania, and northern West Virginia.
DAY ONE... This afternoon and tonight.

Breezy conditions are expected today, with peak wind gusts potentially reaching the 40 to 45 mph range at higher elevations, while peak gusts around 30 to 35 mph are expected for lowland areas.
DAYS TWO THROUGH SEVEN... Saturday through Thursday.

No hazardous weather is expected at this time.
SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

10/31/2025

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
113 AM EDT Fri Oct 31 2025

This Hazardous Weather Outlook is for east central Ohio, western Pennsylvania, and northern West Virginia.
DAY ONE... Today and tonight.

Breezy conditions are expected today, with peak wind gusts potentially reaching the 40 to 45 mph range at higher elevations, while peak gusts around 30 to 35 mph are expected for lowland areas.
DAYS TWO THROUGH SEVEN... Saturday through Thursday.

No hazardous weather is expected at this time.
SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

https://www.facebook.com/share/p/16cQx3eE4f/
10/27/2025

https://www.facebook.com/share/p/16cQx3eE4f/

JUST IN: MELISSA IS NOW ONE OF THE STRONGEST HURRICANES EVER RECORDED IN THE ATLANTIC BASIN. The new 2PM update now has sustained winds of 175 mph and gusts approaching 220 mph. Pressure now down to 906 mb. Catastrophic impacts coming to the Island of Jamaica later tonight.

10/26/2025

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
113 AM EDT Sun Oct 26 2025

PAZ007>009-015-016-270515-
Mercer-Venango-Forest-Clarion-Jefferson PA-
113 AM EDT Sun Oct 26 2025

This Hazardous Weather Outlook is for northwest Pennsylvania and western Pennsylvania.
DAY ONE... Today and tonight.

In areas where clouds do clear overnight, a frost/freeze is locally more likely this morning.
DAYS TWO THROUGH SEVEN... Monday through Saturday.

Additional threats for frost/freeze are expected nightly through the middle of the coming week should the growing season not end.
SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$
Milcarek

10/26/2025

Special Weather Statement
National Weather Service Pittsburgh PA
640 AM EDT Sun Oct 26 2025
.. PATCHY DENSE FOG IN RIVER VALLEYS THIS MORNING...

River valley fog is ongoing across much of the area this morning, with visibilities as low as one-quarter of a mile or less in localized areas.

Motorists should be prepared for rapidly fluctuating and locally poor visibility, especially along area rivers and their tributaries. Visibility will gradually improve as fog lifts by mid-morning.

$$

TC

10/25/2025

Cooler-than-average temperatures will dominate for much of the next couple of weeks. There are indications that a milder period may unfold during the 2nd week of November.

10/21/2025

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
1258 AM EDT Tue Oct 21 2025

OHZ041-PAZ007>009-013>016-020-022-220500-
Columbiana-Mercer-Venango-Forest-Lawrence-Butler-Clarion- Jefferson PA-Beaver-Armstrong-
1258 AM EDT Tue Oct 21 2025

This Hazardous Weather Outlook is for east central Ohio and western Pennsylvania.
DAY ONE... Today and tonight.

Showers and isolated thunderstorms this evening may create gusty conditions; 40-45mph wind gusts are most likely between 5pm to 11pm.
DAYS TWO THROUGH SEVEN... Wednesday through Monday.

No hazardous weather is expected at this time.
SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hefferan

10/19/2025

Hazardous Weather Outlook
National Weather Service Pittsburgh PA
1253 PM EDT Sun Oct 19 2025

OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>022-029- 031-073>078-WVZ001>004-012-021-509>513-201700-
Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH- Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango-Forest- Lawrence-Butler-Clarion-Jefferson PA-Beaver-Allegheny-Armstrong- Washington-Greene-Westmoreland-Higher Elevations of Westmoreland- Fayette-Higher Elevations of Fayette-Indiana-
Higher Elevations of Indiana-Hancock-Brooke-Ohio-Marshall-Wetzel- Marion-Monongalia-
Ridges of Eastern Monongalia and Northwestern Preston-Preston- Eastern Preston-Western Tucker-
1253 PM EDT Sun Oct 19 2025

This Hazardous Weather Outlook is for east central Ohio, western Pennsylvania, and northern West Virginia.
DAY ONE... This afternoon and tonight.

Showers, thunderstorms, and gusty wind are all possible this afternoon with the passage of a cold front. A few storms along the front could become severe Sunday afternoon with damaging wind the primary threat.
DAYS TWO THROUGH SEVEN... Monday through Saturday.

The potential for frost/freeze conditions increases Wednesday and Thursday night.
SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

$$

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