WEST MIFFLIN, PA 15123 Weather Forecast & Current Conditions

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15123 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
ALLEGHENY CO. ARPT, PA Current Weather
12:53 PM EST FEB 20, 2026
Clear 64°F
Feels Like:	61°F
Dewpoint:	25°F
Rel. Hum.:	22%
Visibility:	10 miles
Wind:	WSW at 28 mph, gusts to 37
Pressure:	29.43 inches
Last 72 hours
Local Area Snow Depth
Pennsylvania Current Weather
Pennsylvania MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

15123 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	WEST MIFFLIN, PA 15123 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly sunny and breezy. Unseasonably warm with highs in the lower 60s. Temperatures falling into the lower 50s late. West winds 20 to 25 mph with gusts up to 40 mph.

TONIGHT
Mostly cloudy. Lows in the lower 30s. West winds 15 to 20 mph with gusts up to 30 mph.

SATURDAY
Partly sunny in the morning, then becoming partly cloudy. Much colder with highs in the mid 40s. West winds 5 to 10 mph with gusts up to 20 mph.

SATURDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of snow after midnight. Little or no snow accumulation. Lows around 30. North winds around 5 mph. Chance of snow 40 percent.

SUNDAY
Snow. Little or no snow accumulation. Highs in the upper 30s. Northwest winds 5 to 10 mph. Chance of snow 90 percent.

SUNDAY NIGHT
Snow likely. Little or no snow accumulation. Lows in the upper 20s. Chance of snow 70 percent.

MONDAY
Snow likely, mainly in the morning. Little or no snow accumulation. Highs in the mid 30s. Chance of snow 70 percent.

MONDAY NIGHT
Considerable cloudiness. Lows around 20.

TUESDAY
Mostly cloudy. Highs in the lower 30s.

TUESDAY NIGHT
Mostly cloudy with a 50 percent chance of snow. Lows in the mid 20s.

WEDNESDAY
A chance of snow in the morning. Mostly cloudy with a chance of rain. Highs in the mid 40s. Chance of precipitation 50 percent.

WEDNESDAY NIGHT
Rain likely. Lows in the mid 30s. Chance of rain 70 percent.

THURSDAY
Mostly cloudy with a 50 percent chance of rain. Highs in the lower 40s.

15123 WEATHER SATELLITE LOOPS

Visible Weather Satellite
WEST MIFFLIN, PA 15123

Infrared Weather Satellite
WEST MIFFLIN, PA 15123

15123 WEATHER RADAR LOOP

NEXRAD Weather Radar
WEST MIFFLIN, PA 15123

MOS COMPUTER WEATHER FORECAST

ALLEGHENY CO. ARPT, PA 3 hourly weather forecast

weather forecast created 6:00 AM CST 2/20/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
20 FEB 2026

1 PM

58°

54°

Clear

7%

0% Thunder
( 3% severe)

SW 21

47%

38°

High 59°

4 PM

51°

45°

Clear

W 20

42%

29°

Increasing Clouds

Breezy

7 PM

45°

38°

Mostly Cloudy

7%

0% Thunder
( 1% severe)

W 15

51%

28°

10 PM

40°

32°

Mostly Cloudy

W 14

62%

28°

Saturday
21 FEB 2026

1 AM

37°

29°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

WSW 13

66%

27°

Low 33°

4 AM

35°

27°

Mostly Cloudy

WSW 12

69%

26°

High 45°

7 AM

33°

25°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

WSW 10

71%

25°

Mostly Cloudy

10 AM

36°

28°

Mostly Cloudy

WSW 10

60%

24°

1 PM

41°

35°

Partly Cloudy

3%

0% Thunder
( 0% severe)

W 10

50%

24°

4 PM

43°

38°

Partly Cloudy

W 9

46%

24°

7 PM

40°

36°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 0% severe)

W 6

54%

25°

10 PM

36°

32°

Mostly Cloudy

N 5

66%

26°

Sunday
22 FEB 2026

1 AM

33°

30°

Mostly Cloudy

33%
RAIN/SNOW
.5–1.25 in

0% Thunder
( 1% severe)

NNE 3

74%

26°

Low 31°

4 AM

32°

27°

Mostly Cloudy

NNW 5

78%

26°

High 36°

7 AM

31°

25°

Mostly Cloudy

65%
SNOW
***

0% Thunder
( 3% severe)

NW 6

81%

26°

Mostly Cloudy

Snow Likely

10 AM

33°

27°

Mostly Cloudy

W 7

74%

26°

1 PM

34°

27°

Mostly Cloudy

69%
SNOW
***

0% Thunder
( 4% severe)

W 9

68%

25°

4 PM

34°

27°

Mostly Cloudy

WNW 9

65%

24°

7 PM

33°

26°

Mostly Cloudy

WNW 8

71%

25°


ALLEGHENY CO. ARPT, PA extended weather forecast
Monday 23 FEB 2026	Tuesday 24 FEB 2026	Wednesday 25 FEB 2026	Thursday 26 FEB 2026	Friday 27 FEB 2026
Low 26°	Low 22°	Low 29°	Low 37°	Low 32°
High 32°	High 30°	High 46°	High 48°	High 39°

Overcast 81% Snow	Overcast 59% Snow	Overcast 53% Rain/Snow	Overcast 69% Rain	Overcast 57% Ice

WEATHER SELECT BOX EXAMPLES:

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