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
9:53 PM EDT MAR 20, 2026
Broken Clouds 54°F
Feels Like:	53°F
Dewpoint:	48°F
Rel. Hum.:	80%
Visibility:	10 miles
Wind:	NNE at 5 mph
Pressure:
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

REST OF TONIGHT
Mostly cloudy. A chance of showers and thunderstorms early this evening. Lows in the upper 30s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming northwest. Chance of rain 50 percent.

SATURDAY
Mostly cloudy in the morning, then becoming partly cloudy. Mild. Highs around 60. Northwest winds around 5 mph.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. South winds around 5 mph.

SUNDAY
Partly cloudy in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Much warmer with highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

SUNDAY NIGHT
Showers with a chance of thunderstorms in the evening, then showers after midnight. Lows in the upper 30s. Northwest winds around 10 mph with gusts up to 25 mph. Chance of rain 80 percent.

MONDAY
Mostly cloudy with showers likely in the morning, then partly sunny in the afternoon. Much colder with highs in the upper 40s. Chance of rain 70 percent.

MONDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 20s.

TUESDAY
Mostly sunny. Highs in the lower 50s.

TUESDAY NIGHT
Mostly cloudy. Lows in the mid 30s.

WEDNESDAY
Partly sunny. Highs in the upper 40s.

WEDNESDAY NIGHT
Mostly cloudy. Lows in the mid 30s.

THURSDAY
Partly sunny. Much warmer with highs in the mid 60s.

THURSDAY NIGHT
Rain likely. Lows in the upper 30s. Chance of rain 70 percent.

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 3/20/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Friday
20 MAR 2026

1 PM

60°

57°

Mostly Cloudy

79%
RAIN
.5–1 in

0% Thunder
( 19% severe)

SW 16

47%

40°

High 61°

4 PM

59°

57°

Mostly Cloudy

SW 13

60%

45°

Mostly Cloudy

Rain Likely

7 PM

59°

57°

Mostly Cloudy

43%
RAIN
.25–.5 in

0% Thunder
( 31% severe)

SW 9

64%

47°

10 PM

56°

54°

Mostly Cloudy

W 8

74%

48°

Saturday
21 MAR 2026

1 AM

50°

47°

Mostly Cloudy

1%

0% Thunder
( 1% severe)

NNW 8

80%

44°

Low 40°

4 AM

44°

40°

Mostly Cloudy

NNW 7

82%

39°

High 59°

7 AM

41°

37°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

NNW 6

86%

37°

Mostly Cloudy

10 AM

45°

44°

Mostly Cloudy

N 3

71%

36°

1 PM

53°

53°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

N 2

52%

36°

4 PM

58°

58°

Partly Cloudy

SSW 3

42%

35°

7 PM

54°

54°

Mostly Cloudy

0%

0% Thunder
( 1% severe)

S 3

50%

36°

10 PM

51°

49°

Mostly Cloudy

S 6

59%

37°

Sunday
22 MAR 2026

1 AM

50°

47°

Mostly Cloudy

1%

0% Thunder
( 1% severe)

S 7

66%

39°

Low 48°

4 AM

51°

48°

Partly Cloudy

SSW 8

71%

42°

High 73°

7 AM

52°

49°

Partly Cloudy

4%

0% Thunder
( 7% severe)

SSW 9

74%

44°

Partly Cloudy

Chance of Rain

10 AM

64°

63°

Partly Cloudy

SW 12

60%

50°

1 PM

71°

71°

Partly Cloudy

29%
RAIN
1–2 in

0% Thunder
( 32% severe)

SW 14

47%

50°

4 PM

72°

72°

Mostly Cloudy

WSW 13

46%

50°

7 PM

66°

66°

Mostly Cloudy

W 12

54%

49°


ALLEGHENY CO. ARPT, PA extended weather forecast
Monday 23 MAR 2026	Tuesday 24 MAR 2026	Wednesday 25 MAR 2026	Thursday 26 MAR 2026	Friday 27 MAR 2026
Low 40°	Low 25°	Low 36°	Low 45°	Low 43°
High 43°	High 50°	High 54°	High 64°	High 52°

Mostly Cloudy 91% Rain/Snow	Partly Cloudy 6% Snow	Overcast 31% Rain	Overcast 38% Rain	Mostly Cloudy 53% Rain

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