Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fog/Mist

72°F

22°C

Humidity	100%
Wind Speed	W 5 mph
Barometer	30.01 in
Dewpoint	72°F (22°C)
Visibility	6.00 mi
Last update	16 Aug 5:15 am CDT

More Information:

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

Extended Forecast for

Columbia IA

Today
High: 80 °F
Slight Chance
T-storms and
Patchy Fog
Tonight
Low: 63 °F
Partly Cloudy
Monday
High: 82 °F
Sunny
Monday Night
Low: 66 °F
Increasing
Clouds
Tuesday
High: 83 °F
Chance
Showers then
Showers
Likely
Tuesday Night
Low: 66 °F
Showers
Wednesday
High: 77 °F
Partly Sunny
Wednesday Night
Low: 61 °F
Partly Cloudy
Thursday
High: 78 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 80. North northwest wind 6 to 10 mph. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 63. North northwest wind around 6 mph becoming calm in the evening.

Monday

Sunny, with a high near 82. Light west northwest wind.

Monday Night

Increasing clouds, with a low around 66. Calm wind becoming south around 5 mph after midnight.

Tuesday

A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. West southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

Partly sunny, with a high near 77.

Wednesday Night

Partly cloudy, with a low around 61.

Thursday

Mostly sunny, with a high near 78.

Thursday Night

Partly cloudy, with a low around 62.

Friday

Mostly sunny, with a high near 81.

Friday Night

Partly cloudy, with a low around 64.