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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Springdale Municipal (KASG)

Lat: 36.18°NLon: 94.12°WElev: 1352ft.

Partly Cloudy

95°F

35°C

Humidity 50%
Wind Speed N 9 G 15 mph
Barometer 29.87 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 19 Aug 7:48 pm CDT
Extended Forecast for

Huntsville AR

Heat Advisory August 19, 08:33pm until August 19, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 19, 08:33pm until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Tonight

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of thunderstorms before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 95. Heat index values as high as 100. North wind around 5 mph. Chance of precipitation is 10%.

    High: 95 °F

    Slight Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Increasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 95. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. South wind around 5 mph becoming northwest in the afternoon.

    High: 96 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. Southeast wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. East wind around 5 mph becoming south in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%.
Thursday
A slight chance of thunderstorms before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 95. Heat index values as high as 100. North wind around 5 mph. Chance of precipitation is 10%.
Thursday Night
Increasing clouds, with a low around 69. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 95. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96. South wind around 5 mph becoming northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 71. Southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. East wind around 5 mph becoming south in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 94. Southwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 73. South wind around 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 97. Southwest wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 73. South wind around 5 mph.
Wednesday
Sunny, with a high near 96. South wind around 5 mph becoming northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Huntsville AR
 36.07°N 93.75°W
Last Update:
6:50 pm CDT Aug 19, 2026
Forecast Valid:
8pm CDT Aug 19, 2026-6pm CDT Aug 26, 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