National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

Big Sandy Regional Airport (KSJS)

Lat: 37.75°NLon: 82.64°WElev: 1220ft.

Partly Cloudy

72°F

22°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 29.93 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 22 Aug 7:35 pm EDT
Extended Forecast for

Williamsport KY

Severe T-storm Watch until August 22, 10:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until August 22, 10:00pm

    NOW until 10:00pm Sat

    Severe T-storm Watch

  • Tonight

    Low: 61 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Light west wind.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 8am. Otherwise, sunny, with a high near 82. Calm wind.

    High: 82 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, sunny, with a high near 84.

    High: 84 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms before 11pm. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 61. Light west wind.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 82. Light west wind.
Sunday Night
Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 57. Calm wind.
Monday
Areas of fog before 8am. Otherwise, sunny, with a high near 82. Calm wind.
Monday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 53. Calm wind.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsport KY
 37.83°N 82.73°W (Elev. 705 ft)
Last Update:
3:15 pm EDT Aug 22, 2026
Forecast Valid:
7pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation