Weather Alert
Lancaster Weather Warning NWS WEATHER ALERT FOR THE LANCASTER, SC AREA - Issued: 758 PM EDT Fri Sep 4 2026 Lancaster Weather Warning

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Lancaster, SC Weather Forecast

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Lancaster, SC Weather Forecast

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Lancaster SC weather - Clear - 87°F
Clear
87°F
Updated 8:47 pm
Feels Like 91°F
Humidity 60%
Wind N 0 mph
Barometer  29.97 in
Dew Point 72°F
Lancaster SC weather - Clear - 31°C
Clear
31°C
Updated 8:47 pm
Feels Like 33°C
Humidity 60%
Wind N 0 km/h
Barometer  101.5 kPa
Dew Point 22°C
WX Settings

Lancaster Weather Forecast

TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Lancaster, SC Weather - Tonight Mostly Clear Lancaster, SC Weather - Saturday Chance Of T-Storm Lancaster, SC Weather - Saturday Night Chance Of T-Storm Lancaster, SC Weather - Sunday Chance Of Showers Lancaster, SC Weather - Sunday Night Chance Of T-Storm Lancaster, SC Weather - Labor Day Chance Of Showers Lancaster, SC Weather - Monday Night Partly Cloudy Lancaster, SC Weather - Tuesday Sunny Lancaster, SC Weather - Tuesday Night Mostly Clear Lancaster, SC Weather - Wednesday Sunny Lancaster, SC Weather - Wednesday Night Mostly Clear Lancaster, SC Weather - Thursday Sunny
Mostly Clear Chance of T-Storm Chance of T-Storm Chance of Showers Chance of T-Storm Chance of Showers Partly Cloudy Sunny Mostly Clear Sunny Mostly Clear Sunny
Lo: 75°FLo: 24°C Hi: 99°FHi: 37°C
 Lo: 71°FLo: 22°C Hi: 91°FHi: 33°C
 Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
 Lo: 65°FLo: 18°C Hi: 89°FHi: 32°C
 Lo: 65°FLo: 18°C Hi: 91°FHi: 33°C
 Lo: 69°FLo: 21°C Hi: 95°FHi: 35°C
POP: 20% POP: 50% POP: 40% POP: 60% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 708 PM EDT Fri Sep 04 2026 Lancaster, SC Weather - WeatherWorld.com

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Issued: 156 PM EDT Fri Sep 4 2026

Key Messages

  • 1. Heat Index values up to 110 Saturday elevating the risk of heat related illnesses.
  • 2. Heat Advisory continues for Lancaster and Chesterfield Counties through 8 pm today.
  • 3. Severe storms possible Saturday afternoon or evening.

Discussion

... KEY MESSAGE 1. Heat Index values up to 110 Saturday elevating the risk of heat related illnesses.

The center of the upper ridge shifts west on Saturday. Weak downslope winds and increasing moisture ahead of a cold front will push afternoon temper...