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

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

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

Extended Forecast for

Ottumwa IA

Flood Watch August 15, 09:06am until August 15, 10:00am

Click here for hazard details and duration

...

Flood Watch August 15, 09:06am until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Today
High: 88 °F
Chance
T-storms then
Partly Sunny
Tonight
Low: 71 °F
Chance
T-storms
Sunday
High: 85 °F
Slight Chance
T-storms then
Partly Sunny
Sunday Night
Low: 64 °F
Partly Cloudy
Monday
High: 83 °F
Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 68 °F
Showers
Likely

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 88. Heat index values as high as 105. South southwest wind 5 to 7 mph becoming west in the afternoon. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 71. Light west wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A 20 percent chance of showers and thunderstorms before 9am. Partly sunny, with a high near 85. Light northwest wind becoming north northwest 5 to 9 mph in the morning.

Sunday Night

Partly cloudy, with a low around 64. North northwest wind 3 to 7 mph.

Monday

Sunny, with a high near 83. Calm wind.

Monday Night

Mostly clear, with a low around 65.

Tuesday

Mostly sunny, with a high near 86.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

Wednesday

Partly sunny, with a high near 81.