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.

A Few Clouds

84°F

29°C

Humidity	58%
Wind Speed	Vrbl 6 mph
Barometer	30.01 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	14 Jun 1:55 pm CDT

More Information:

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

Extended Forecast for

Swan IA

This Afternoon
High: 87 °F
Mostly Sunny
Tonight
Low: 67 °F
Slight Chance
T-storms then
Mostly Cloudy
Sunday
High: 87 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 68 °F
Chance
T-storms then
Chance
Showers
Monday
High: 89 °F
Slight Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 88 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 68 °F
T-storms
Wednesday
High: 82 °F
Showers
Likely

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 87. Southeast wind around 6 mph.

Tonight

A slight chance of showers and thunderstorms between 10pm and 11pm. Mostly cloudy, with a low around 67. Southeast wind around 6 mph. Chance of precipitation is 20%.

Sunday

A 30 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 87. South southeast wind 5 to 9 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 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. South wind 6 to 9 mph.

Monday Night

A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

Tuesday Night

Showers and possibly a thunderstorm. 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. Partly sunny, with a high near 82. Chance of precipitation is 60%.

Wednesday Night

Partly cloudy, with a low around 64.

Juneteenth

Sunny, with a high near 86.

Thursday Night

Partly cloudy, with a low around 65.

Friday

Mostly sunny, with a high near 89.