Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High 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

84°F

29°C

Humidity	79%
Wind Speed	S 6 mph
Barometer	29.82 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	94°F (34°C)
Last update	9 Aug 8:15 pm CDT

More Information:

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

Extended Forecast for

Knoxville IA

Tonight
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 89 °F
Slight Chance
T-storms then
Mostly Sunny
Monday Night
Low: 72 °F
Partly Cloudy
Tuesday
High: 91 °F
Partly Sunny
Tuesday Night
Low: 71 °F
Chance
T-storms
Wednesday
High: 87 °F
Chance
T-storms
Wednesday Night
Low: 68 °F
Chance
T-storms
Thursday
High: 77 °F
Showers
Likely
Thursday Night
Low: 64 °F
Chance
T-storms then
Showers
Likely

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. East southeast wind around 6 mph.

Monday

A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 89. East wind 5 to 7 mph becoming south in the afternoon.

Monday Night

Partly cloudy, with a low around 72. South wind around 6 mph becoming east in the evening.

Tuesday

Partly sunny, with a high near 91. Heat index values as high as 102. Southwest wind 6 to 9 mph.

Tuesday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. North northeast wind 5 to 7 mph becoming south in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Friday

A 50 percent chance of showers. Mostly cloudy, with a high near 75.

Friday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Saturday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.

Saturday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 65.

Sunday

A 30 percent chance of showers. Mostly cloudy, with a high near 77.