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

Columbia IA

This Afternoon
High: 86 °F
Mostly Sunny
Tonight
Low: 67 °F
Partly Cloudy
Sunday
High: 87 °F
Slight Chance
Showers then
Chance
T-storms
Sunday Night
Low: 68 °F
Chance
T-storms then
Chance
Showers
Monday
High: 88 °F
Slight Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 88 °F
Chance
T-storms
Tuesday Night
Low: 68 °F
T-storms
Wednesday
High: 83 °F
Showers
Likely

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 86. East southeast wind around 5 mph.

Tonight

Partly cloudy, with a low around 67. Southeast wind around 6 mph.

Sunday

A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. South southeast wind 6 to 8 mph. Chance of precipitation is 30%. 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. East southeast wind 5 to 8 mph becoming north in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind 6 to 9 mph.

Monday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. 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 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

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. Partly sunny, with a high near 83. 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 66.

Friday

Mostly sunny, with a high near 89.