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

Hazardous Weather Conditions

Current conditions at

Fletcher Field, Clarksdale (KCKM)

Lat: 34.3°NLon: 90.51°WElev: 173ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Lyon MS

Extreme Heat Warning August 15, 06:36am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 06:36am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. South southwest wind around 5 mph becoming calm.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Heat index values as high as 114. West southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 80. Calm wind becoming southwest around 5 mph.

    Low: 80 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. West wind around 5 mph.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. North wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Calm wind becoming south southwest around 5 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 110. Southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 78. South southwest wind around 5 mph becoming calm.
Sunday
Sunny and hot, with a high near 102. Heat index values as high as 114. West southwest wind around 5 mph.
Sunday Night
Mostly clear, with a low around 80. Calm wind becoming southwest around 5 mph.
Monday
Sunny and hot, with a high near 103. West wind around 5 mph.
Monday Night
Mostly clear, with a low around 76. North wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 77. Calm wind becoming south southwest around 5 mph.
Wednesday
Sunny and hot, with a high near 101.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Thursday Night
Mostly clear, with a low around 73.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lyon MS
 34.22°N 90.53°W (Elev. 164 ft)
Last Update:
6:15 am CDT Aug 15, 2026
Forecast Valid:
6am CDT Aug 15, 2026-6pm CDT Aug 21, 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