IRWIN, PA 15642 Weather Forecast & Current Conditions

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15642 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLEGHENY CO. ARPT, PA Current Weather
6:53 AM EST DEC 14, 2025
Broken Clouds 14°F
Feels Like:	2°F
Dewpoint:	10°F
Rel. Hum.:	82%
Visibility:	10 miles
Wind:	WNW at 9 mph, gusts to 20
Pressure:	30.12 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

15642 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	IRWIN, PA 15642 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Considerable cloudiness with a 50 percent chance of snow showers. Very cold. Near steady temperature around 15. West winds 10 to 15 mph with gusts up to 30 mph.

TONIGHT
Mostly cloudy. A chance of snow showers, mainly in the evening. Cold. Near steady temperature around 13. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 50 percent.

MONDAY
Considerable cloudiness. Highs in the lower 20s. Southwest winds around 10 mph with gusts up to 20 mph.

MONDAY NIGHT
Partly cloudy. Cold with lows around 12. Southwest winds 5 to 10 mph with gusts up to 20 mph.

TUESDAY
Partly cloudy in the morning, then becoming partly sunny. Highs in the mid 30s. Southwest winds 5 to 10 mph.

TUESDAY NIGHT
Partly cloudy. Not as cold with lows in the upper 20s. Temperatures rising into the lower 30s after midnight.

WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 40s.

WEDNESDAY NIGHT
Mostly cloudy. Lows in the upper 20s.

THURSDAY
Considerable cloudiness. A chance of rain in the morning, then rain likely in the afternoon. Mild. Highs in the lower 50s. Chance of rain 70 percent.

THURSDAY NIGHT
Rain in the evening, then a chance of rain and snow after midnight. Lows in the mid 20s. Chance of precipitation 90 percent.

FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. Much colder with highs in the mid 30s.

FRIDAY NIGHT
Mostly cloudy. Lows in the lower 20s.

SATURDAY
Considerable cloudiness with a 50 percent chance of rain. Highs in the upper 40s.

15642 WEATHER SATELLITE LOOPS

Visible Weather Satellite
IRWIN, PA 15642

Infrared Weather Satellite
IRWIN, PA 15642

15642 WEATHER RADAR LOOP

NEXRAD Weather Radar
IRWIN, PA 15642

MOS COMPUTER WEATHER FORECAST

ALLEGHENY CO. ARPT, PA 3 hourly weather forecast

weather forecast created 6:00 PM CST 12/13/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
14 DEC 2025

1 AM

21°

11°

Overcast

49%
SNOW
1–2.5 in

0% Thunder
( 2% severe)

WNW 9

79%

16°

Low 11°

4 AM

18°

6°

Mostly Cloudy

WNW 10

74%

12°

High 16°

7 AM

13°

-1°

Mostly Cloudy

8%

0% Thunder
( 3% severe)

WNW 12

70%

6°

Mostly Cloudy

10 AM

12°

-3°

Mostly Cloudy

WNW 13

66%

4°

1 PM

13°

-3°

Mostly Cloudy

19%
SNOW
<.1 in

0% Thunder
( 3% severe)

W 15

63%

4°

4 PM

14°

-1°

Mostly Cloudy

W 14

66%

6°

7 PM

14°

0°

Mostly Cloudy

12%
SNOW
<.1 in

0% Thunder
( 0% severe)

WNW 12

70%

7°

10 PM

15°

2°

Mostly Cloudy

WNW 10

74%

9°

Monday
15 DEC 2025

1 AM

16°

4°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

W 9

70%

9°

Low 11°

4 AM

15°

3°

Mostly Cloudy

W 9

74%

9°

High 21°

7 AM

13°

0°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

WSW 10

77%

8°

Mostly Cloudy

10 AM

13°

-1°

Mostly Cloudy

SW 12

77%

8°

1 PM

17°

5°

Mostly Cloudy

5%

0% Thunder
( 0% severe)

SW 10

67%

9°

4 PM

19°

7°

Mostly Cloudy

SSW 10

61%

9°

7 PM

19°

8°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

SW 9

61%

9°

10 PM

19°

9°

Partly Cloudy

SW 8

58%

8°


ALLEGHENY CO. ARPT, PA extended weather forecast
Tuesday 16 DEC 2025	Wednesday 17 DEC 2025	Thursday 18 DEC 2025	Friday 19 DEC 2025	Saturday 20 DEC 2025
Low 18°	Low 31°	Low 29°	Low 27°	Low 21°
High 34°	High 42°	High 45°	High 28°	High 42°

Partly Cloudy 3% Snow	Mostly Cloudy 11% Rain/Ice	Mostly Cloudy 60% Rain/Snow	Overcast 83% Rain/Snow	Overcast 20% Snow

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