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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Northwest Arkansas Regional Airport (KXNA)

Lat: 36.29°NLon: 94.31°WElev: 1266ft.

Fair

79°F

26°C

Humidity 85%
Wind Speed S 5 mph
Barometer 30.04 in (1015.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 26 Jul 2:53 am CDT
Extended Forecast for

Decatur AR

Heat Advisory July 26, 12:00pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 99. Heat index values as high as 109. Southwest wind 5 to 10 mph.

    High: 99 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 99. Heat index values as high as 108. Southwest wind 5 to 10 mph.

    High: 99 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. Southwest wind around 5 mph.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 95. South wind around 5 mph.

    High: 95 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. South wind around 5 mph.
Sunday
Sunny, with a high near 99. Heat index values as high as 109. Southwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 78. South wind around 5 mph.
Monday
Sunny, with a high near 99. Heat index values as high as 108. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 77. South wind around 5 mph.
Tuesday
Sunny, with a high near 99. Southwest wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming southeast after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 95. South wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 75. Southeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South wind around 10 mph becoming west in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72. North wind 5 to 10 mph becoming east after midnight.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. North wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur AR
 36.35°N 94.44°W
Last Update:
2:50 am CDT Jul 26, 2026
Forecast Valid:
3am CDT Jul 26, 2026-6pm CDT Aug 1, 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