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

Agency IA

Flood Watch August 15, 04:45am until August 15, 10:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 15, 04:45am until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Overnight
Low: 72 °F
Showers and
Patchy Fog
Saturday
High: 88 °F
Showers
Likely and
Patchy Fog
then Partly
Sunny
Saturday Night
Low: 71 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 84 °F
Slight Chance
T-storms then
Partly Sunny
Sunday Night
Low: 64 °F
Partly Cloudy
Monday
High: 82 °F
Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 85 °F
Mostly Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Patchy fog. Low around 72. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Showers and thunderstorms likely, mainly before 10am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 88. Heat index values as high as 106. Light and variable wind becoming south around 5 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 60%. 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 84. North northwest wind 5 to 10 mph.

Sunday Night

Partly cloudy, with a low around 64. North northwest wind 5 to 8 mph.

Monday

Sunny, with a high near 82.

Monday Night

Mostly clear, with a low around 64.

Tuesday

Mostly sunny, with a high near 85.

Tuesday Night

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