Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

4 Miles WNW Marysville IA

Independence Day
High: 85 °F
Slight Chance
T-storms
Tonight
Low: 66 °F
Slight Chance
T-storms then
Mostly Cloudy
Sunday
High: 84 °F
Chance
T-storms
Sunday Night
Low: 64 °F
Partly Cloudy
Monday
High: 84 °F
Mostly Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny

Detailed Forecast

Independence Day

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Light west northwest wind.

Tonight

A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 66. Light and variable wind.

Sunday

A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 84. North wind 5 to 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Partly cloudy, with a low around 64. North northeast wind around 6 mph becoming calm in the evening.

Monday

Mostly sunny, with a high near 84. East wind 3 to 7 mph.

Monday Night

Mostly clear, with a low around 64.

Tuesday

Sunny, with a high near 87.

Tuesday Night

Mostly clear, with a low around 66.

Wednesday

Sunny, with a high near 89.