Weather Forecast for Benton, Boone, Carroll, Madison, Newton & Washington Counties in Northwest Arkansas
Including Bentonville, Berryville, Fayetteville, Harrison, Huntsville, Jasper, Siloam Springs & Springdale
4:30 a.m. cdt Saturday September 19, 2026
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Today
High 97°F H~I: 107°F
Tonight
Low 73°F
Sunday
High 95°F H~I: 107°F
Sunday Night 
Low 68°F
Monday
High 85°F
Monday Night 
Low 64°F
Tuesday
High 80°F
Tuesday Night
Low 60°F
Wednesday
High 83°F
Wednesday Night 
Low 63°F
Thursday
High 88°F
Thursday Night 
Low 67°F
Friday
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TODAY: Mostly sunny, breezy, hot and humid. High around 97°F. Heat index values up to 107°F. Wind south to southwest 10 to 15 mph.
TONIGHT: Clear to partly cloudy, unusually warm and humid. Low near 73°F. Wind southerly 5 to 10 mph.
SUNDAY: Increasing cloudiness, hot and humid. High around 95°F. Heat index values up to 107°F. Wind becoming variable 5 to 10 mph.
.EXTENDED FORECAST...
SUNDAY NIGHT: Mostly cloudy, warm and humid. A good chance of showers and thunderstorms after 1 a.m.. Low near 68°F. Chance of rain increasing to 60% after 1 a.m..
MONDAY: Partly to mostly cloudy and cooler. A good chance of showers and thunderstorms before 10 a.m., then a chance of showers and thunderstorms. High around 85°F. Chance of rain is 60% before 10 a.m., decreasing to 30% through 4 p.m..
MONDAY NIGHT: A chance of evening showers and thunderstorms. Otherwise, partly to mostly cloudy and cooler. Low near 64°F. Chance of rain is 20% until around sunset.
TUESDAY: Partly cloudy and not as warm, less humid. High around 80°F.
TUESDAY NIGHT: Clear to partly cloudy and continued cooler. Low near 60°F.
WEDNESDAY: Sunny and warm. High around 83°F.
WEDNESDAY NIGHT: Clear and relatively mild. Low near 63°F.
THURSDAY: Mostly sunny and very warm. High around 88°F.
THURSDAY NIGHT: Partly cloudy, warmer and more humid. Low near 67°F.
FRIDAY: Partly cloudy, very warm and humid. High around 87°F.