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.

Fair

84°F

29°C

Humidity 65%
Wind Speed SW 9 mph
Barometer 29.92 in (1012.7 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 20 Aug 2:53 am CDT
Extended Forecast for

4 Miles SSW Portland AR

Heat Advisory August 20, 11:00am until August 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 76. Southwest wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

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

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 73. East northeast wind around 5 mph becoming calm.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming north around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. North wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Saturday

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

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 98. Calm wind becoming east northeast around 5 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 76. Southwest wind around 5 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 109. South southwest wind around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 73. East northeast wind around 5 mph becoming calm.
Friday
Mostly sunny and hot, with a high near 100. Heat index values as high as 107. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 71. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 100. Calm wind becoming northwest around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.
Sunday
Mostly sunny and hot, with a high near 98. Calm wind becoming east northeast around 5 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 96. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Portland AR
 33.18°N 91.54°W
Last Update:
2:15 am CDT Aug 20, 2026
Forecast Valid:
2am CDT Aug 20, 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