Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Harrison, Boone County Airport (KHRO)

Lat: 36.26°NLon: 93.15°WElev: 1365ft.

Fair

79°F

26°C

Humidity	88%
Wind Speed	SE 8 mph
Barometer	30.01 in (1014.4 mb)
Dewpoint	75°F (24°C)
Visibility	9.00 mi
Heat Index	83°F (28°C)
Last update	31 Jul 12:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles ESE Rule AR

Heat Advisory July 31, 12:00pm until July 31, 09:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 72 °F
Chance
T-storms
Friday
High: 96 °F
Chance
T-storms
Friday Night
Low: 64 °F
Chance
T-storms then
Slight Chance
T-storms
Saturday
High: 79 °F
Mostly Sunny
Saturday Night
Low: 65 °F
Partly Cloudy
Sunday
High: 84 °F
Mostly Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 86 °F
Sunny
Monday Night
Low: 66 °F
Clear

Detailed Forecast

Overnight

A slight chance of showers, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 40%.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 105. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

A 50 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 64. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Mostly sunny, with a high near 79. Northwest wind around 15 mph, with gusts as high as 30 mph.

Saturday Night

Partly cloudy, with a low around 65. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday

Mostly sunny, with a high near 84. North wind 5 to 10 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 64. North wind 5 to 10 mph becoming light northeast in the evening.

Monday

Sunny, with a high near 86. Calm wind becoming northeast around 5 mph.

Monday Night

Clear, with a low around 66. East wind around 5 mph becoming calm in the evening.