Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

Shaw Air Force Base (KSSC)

Lat: 33.97°NLon: 80.48°WElev: 243ft.

Fair

69°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 30.19 in (1022.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 May 4:55 am EDT
Extended Forecast for

South Sumter SC

  • Today

    Today: Patchy fog between 7am and 8am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 93. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 93 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. South wind 5 to 9 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.

    High: 93 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. South wind 5 to 7 mph becoming calm  after midnight.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after 2pm.  Mostly sunny, with a high near 94. Chance of precipitation is 40%.

    High: 94 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 8pm and 2am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 2pm.  High near 87. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Today
Patchy fog between 7am and 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 93. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 64. South wind 5 to 9 mph becoming calm in the evening.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 93. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. South wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 94. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Thursday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 87. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 69. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 88. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 70. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
South Sumter SC
 33.89°N 80.35°W (Elev. 141 ft)
2:21 am EDT May 18, 2026
5am EDT May 18, 2026-6pm EDT May 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database