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

Hazardous Weather Conditions

Current conditions at

Monticello, Monticello Municipal Airport/Ellis Field (KLLQ)

Lat: 33.64°NLon: 91.75°WElev: 269ft.

Partly Cloudy

88°F

31°C

Humidity 63%
Wind Speed W 9 G 17 mph
Barometer 30.19 in (1021.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 15 Aug 9:53 am CDT
Extended Forecast for

Portland AR

Heat Advisory August 15, 10:43am until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 10:43am until August 17, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 100 °F

    Hot

  • Tonight

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

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 102. Heat index values as high as 109. West wind around 5 mph.

    High: 102 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. Southwest wind around 5 mph.

    Low: 77 °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. West wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 102. Calm wind becoming west around 5 mph in the morning.

    High: 102 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. West southwest wind around 5 mph becoming calm.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 106. South southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 77. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 102. Heat index values as high as 109. West wind around 5 mph.
Sunday Night
Mostly clear, with a low around 77. Southwest wind 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. West wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 102. Calm wind becoming west around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 76. West southwest wind around 5 mph becoming calm.
Wednesday
Sunny and hot, with a high near 100. Southwest wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Portland AR
 33.23°N 91.51°W
Last Update:
10:15 am CDT Aug 15, 2026
Forecast Valid:
10am 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