Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

81°F

27°C

Humidity	74%
Wind Speed	SW 14 mph
Barometer	29.93 in
Dewpoint	72°F (22°C)
Visibility	9.00 mi
Heat Index	85°F (29°C)
Last update	1 Jul 8:55 am CDT

More Information:

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

Extended Forecast for

2 Miles ESE Hamilton IA

Extreme Heat Warning July 1, 09:13am until July 2, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 1, 09:13am until July 2, 10:00pm
NOW until 10:00pm Thu
Extreme Heat Warning
Today
High: 92 °F
Sunny then
Sunny and
Breezy
Tonight
Low: 76 °F
Mostly Clear
and Breezy
then Partly
Cloudy
Thursday
High: 93 °F
Mostly Sunny
Thursday Night
Low: 74 °F
Partly Cloudy
Friday
High: 93 °F
Chance
T-storms
Friday Night
Low: 72 °F
Chance
T-storms
Independence Day
High: 91 °F
Chance
T-storms
Saturday Night
Low: 70 °F
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 92. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 26 mph.

Tonight

Partly cloudy, with a low around 76. Breezy, with a south wind 13 to 16 mph, with gusts as high as 26 mph.

Thursday

Mostly sunny, with a high near 93. Heat index values as high as 100. South southwest wind around 11 mph, with gusts as high as 20 mph.

Thursday Night

Partly cloudy, with a low around 74. South wind 8 to 10 mph, with gusts as high as 18 mph.

Friday

A 30 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 93. South southwest wind 10 to 13 mph, with gusts as high as 21 mph.

Friday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Independence Day

A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91.

Saturday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Sunday

Partly sunny, with a high near 89.

Sunday Night

Partly cloudy, with a low around 68.

Monday

Mostly sunny, with a high near 89.

Monday Night

Partly cloudy, with a low around 68.