Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Rock Hill, Rock Hill - York County Airport (KUZA)

Lat: 34.98°NLon: 81.06°WElev: 669ft.

Fair

68°F

20°C

Humidity 87%
Wind Speed SW 5 mph
Barometer 29.99 in (1014.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 11:54 pm EDT
Extended Forecast for

Lancaster Mill SC

  • Overnight

    Overnight: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. Light south wind.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 93. Southwest wind 7 to 14 mph.  Chance of precipitation is 30%.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 73. Southwest wind 6 to 9 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm.  Sunny, with a high near 93. Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 72. Light south wind.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Southwest wind 7 to 14 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Southwest wind 6 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Lancaster Mill SC
 34.7°N 80.8°W (Elev. 499 ft)
3:48 pm EDT Jun 20, 2026
12am EDT Jun 21, 2026-6pm EDT Jun 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database