Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Mostly Cloudy

77°F

25°C

Humidity	74%
Wind Speed	N 6 mph
Barometer	30.09 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	30 Jul 7:35 pm CDT

More Information:

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

Extended Forecast for

Columbia IA

Tonight
Low: 63 °F
Slight Chance
Showers
Thursday
High: 76 °F
Partly Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 55 °F
Partly Cloudy
Saturday
High: 75 °F
Mostly Sunny
Saturday Night
Low: 57 °F
Partly Cloudy
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 60 °F
Mostly Cloudy

Detailed Forecast

Tonight

A slight chance of showers between 8pm and 1am. Mostly cloudy, with a low around 63. North northeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Thursday

Partly sunny, with a high near 76. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.

Thursday Night

Mostly clear, with a low around 54. Northeast wind 6 to 10 mph.

Friday

Sunny, with a high near 76. East northeast wind 6 to 9 mph.

Friday Night

Partly cloudy, with a low around 55. East northeast wind 3 to 6 mph.

Saturday

Mostly sunny, with a high near 75.

Saturday Night

Partly cloudy, with a low around 57.