Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Smith Regional Airport (KFSM)

Lat: 35.33°NLon: 94.37°WElev: 436ft.

Fair

81°F

27°C

Humidity	77%
Wind Speed	E 5 mph
Barometer	29.96 in (1013.7 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	18 Aug 2:53 am CDT

More Information:

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

Extended Forecast for

Altus AR

Heat Advisory August 18, 12:00pm until August 18, 08:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 75 °F
Mostly Clear
Monday
High: 100 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 99 °F
Sunny then
Chance
T-storms
Tuesday Night
Low: 71 °F
Chance
T-storms
Wednesday
High: 93 °F
Chance
T-storms
Wednesday Night
Low: 70 °F
Chance
T-storms
Thursday
High: 92 °F
Slight Chance
T-storms
Thursday Night
Low: 70 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 75. Northeast wind around 5 mph.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 110. Northeast wind around 5 mph becoming calm.

Monday Night

Mostly clear, with a low around 74. Calm wind becoming northeast around 5 mph.

Tuesday

A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 99. Heat index values as high as 110. Calm wind becoming north around 5 mph in the afternoon.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. North wind around 5 mph.

Wednesday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Northeast wind around 5 mph.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70. Northeast wind around 5 mph.

Thursday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. East wind around 5 mph.

Thursday Night

Mostly clear, with a low around 70. Northeast wind around 5 mph.

Friday

Sunny, with a high near 94. North wind around 5 mph.