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

Osceola Municipal Airport (KI75)

Lat: 41.05°NLon: 93.69°WElev: 1109ft.

Light Drizzle

75°F

24°C

Humidity	99%
Wind Speed	Calm
Barometer	29.98 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Last update	15 Aug 4:15 am CDT

More Information:

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

Extended Forecast for

Le Roy IA

Flood Watch August 15, 04:30am until August 15, 10:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 15, 04:30am until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Overnight
Low: 73 °F
Showers and
Patchy Fog
Saturday
High: 87 °F
Chance
T-storms then
Partly Sunny
Saturday Night
Low: 69 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 82 °F
Slight Chance
T-storms then
Partly Sunny
Sunday Night
Low: 63 °F
Partly Cloudy
Monday
High: 82 °F
Sunny
Monday Night
Low: 65 °F
Partly Cloudy
Tuesday
High: 85 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Patchy fog. Low around 73. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Mostly cloudy, with a high near 87. Heat index values as high as 100. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 30%. 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 69. 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 82. North wind 6 to 11 mph.

Sunday Night

Partly cloudy, with a low around 63. North wind 3 to 8 mph.

Monday

Sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 65.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.