Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Harrison, Boone County Airport (KHRO)

Lat: 36.26°NLon: 93.15°WElev: 1365ft.

Fair

78°F

26°C

Humidity	82%
Wind Speed	S 6 mph
Barometer	29.97 in (1013.0 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	31 Jul 6:53 am CDT

More Information:

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

Extended Forecast for

4 Miles SSW Carrollton AR

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

Click here for hazard details and duration

Heat Advisory

Today
High: 97 °F
Slight Chance
T-storms
Tonight
Low: 65 °F
Chance
T-storms then
Slight Chance
T-storms
Saturday
High: 80 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Partly Cloudy
Sunday
High: 84 °F
Mostly Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 67 °F
Clear
Tuesday
High: 90 °F
Sunny

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms before 4pm. Mostly sunny, with a high near 97. Heat index values as high as 107. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 65. Southwest wind 5 to 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 80. Northwest wind around 15 mph, with gusts as high as 30 mph.

Saturday Night

Partly cloudy, with a low around 66. Northwest wind 5 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 63. North wind around 5 mph becoming calm in the evening.

Monday

Sunny, with a high near 87. Calm wind becoming northeast around 5 mph.

Monday Night

Clear, with a low around 67. East wind around 5 mph becoming calm.