Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Springdale Municipal (KASG)

Lat: 36.18°NLon: 94.12°WElev: 1352ft.

N/A

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

Johnson AR

Heat Advisory August 19, 03:30am until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 03:30am until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Overnight

    Low: 82 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 10pm.  Partly cloudy, with a low around 73. Northwest wind around 5 mph becoming east after midnight.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 96. Heat index values as high as 101. North wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. North wind around 5 mph becoming calm  after midnight.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 97. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. East wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 98. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 98 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a steady temperature around 82. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 106. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 10pm. Partly cloudy, with a low around 73. Northwest wind around 5 mph becoming east after midnight.
Thursday
Mostly sunny, with a high near 96. Heat index values as high as 101. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 70. North wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 97. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 98. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 73. Southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 98. Southeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 99. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph.
Tuesday
Sunny, with a high near 99. South wind 5 to 10 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Johnson AR
 36.14°N 94.17°W
2:50 am CDT Aug 19, 2026
3am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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