Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorms and heavy rainfall will shift into the southern Appalachians today. Strong to severe thunderstorms may produce large hail, scattered wind gusts, and heavy rain today across the northern and central Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

A Few Clouds

81°F

27°C

Humidity	51%
Wind Speed	W 9 mph
Barometer	30.08 in
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	17 Aug 3:55 pm CDT

More Information:

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

Extended Forecast for

Melcher-Dallas IA

This Afternoon
High: 82 °F
Sunny
Tonight
Low: 66 °F
Partly Cloudy
Tuesday
High: 80 °F
Showers
Likely then
Chance
T-storms
Tuesday Night
Low: 65 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 79 °F
Partly Sunny
Wednesday Night
Low: 62 °F
Partly Cloudy
Thursday
High: 80 °F
Sunny
Thursday Night
Low: 64 °F
Slight Chance
T-storms
Friday
High: 82 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Sunny, with a high near 82. Northwest wind around 6 mph.

Tonight

Partly cloudy, with a low around 66. Calm wind becoming south southwest around 6 mph after midnight.

Tuesday

Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 80. West southwest wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly between midnight and 1am. Mostly cloudy, with a low around 65. West southwest wind around 5 mph becoming calm in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Partly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 62.

Thursday

Sunny, with a high near 80.

Thursday Night

A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 64.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.

Friday Night

A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 40%.