Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

72°F

22°C

Humidity	88%
Wind Speed	SE 6 mph
Barometer	29.94 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	13 Jun 11:55 pm CDT

More Information:

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

Extended Forecast for

Knoxville IA

Overnight
Low: 65 °F
Mostly Cloudy
Saturday
High: 86 °F
Patchy Fog
then Mostly
Sunny
Saturday Night
Low: 66 °F
Partly Cloudy
Sunday
High: 87 °F
Chance
T-storms
Sunday Night
Low: 68 °F
Chance
T-storms
Monday
High: 88 °F
Slight Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 87 °F
Chance
T-storms
Tuesday Night
Low: 68 °F
T-storms

Detailed Forecast

Overnight

Mostly cloudy, with a low around 65. Southeast wind 3 to 6 mph.

Saturday

Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. East southeast wind around 6 mph.

Saturday Night

Partly cloudy, with a low around 66. Southeast wind around 7 mph.

Sunday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. South southeast wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southeast wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am, then a slight chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Monday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

Tuesday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

Tuesday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 68. Chance of precipitation is 80%.

Wednesday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

Wednesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.

Juneteenth

Sunny, with a high near 83.

Thursday Night

Mostly clear, with a low around 64.

Friday

Sunny, with a high near 87.