Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Overcast

70°F

21°C

Humidity	88%
Wind Speed	Calm
Barometer	30.01 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	3 Jul 3:55 am CDT

More Information:

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

Extended Forecast for

4 Miles SSW Lovilia IA

Extreme Heat Warning July 3, 03:59am until July 3, 10:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 3, 03:59am until July 3, 10:00pm
NOW until 10:00pm Fri
Extreme Heat Warning
Overnight
Low: 73 °F
Chance
T-storms
Friday
High: 90 °F
Showers
Likely then
Chance
T-storms
Friday Night
Low: 71 °F
Chance
T-storms
Independence Day
High: 88 °F
Chance
T-storms then
Mostly Sunny
Saturday Night
Low: 68 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 86 °F
Mostly Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 86 °F
Sunny

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms, mainly between 4am and 5am. Mostly cloudy, with a steady temperature around 73. South wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and thunderstorms likely, mainly before 10am. Mostly sunny, with a high near 90. South southwest wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A 50 percent chance of showers and thunderstorms, mainly after 11pm. Increasing clouds, with a low around 71. South wind 6 to 8 mph becoming north northwest in the evening. New rainfall amounts between a quarter and half of an inch possible.

Independence Day

A 40 percent chance of showers and thunderstorms, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 88. South southwest wind 7 to 9 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 68. West wind 3 to 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly sunny, with a high near 86.

Sunday Night

Mostly clear, with a low around 66.

Monday

Sunny, with a high near 86.

Monday Night

Mostly clear, with a low around 66.

Tuesday

Sunny, with a high near 88.

Tuesday Night

Mostly clear, with a low around 67.