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

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Fog/Mist

74°F

23°C

Humidity	97%
Wind Speed	E 9 mph
Barometer	30.02 in (1015.9 mb)
Dewpoint	73°F (23°C)
Visibility	6.00 mi
Last update	14 Aug 11:54 pm CDT

More Information:

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

Extended Forecast for

Norwalk IA

Flood Watch August 15, 12:25am until August 15, 10:00am

Click here for hazard details and duration

Flood Watch

Flood Watch August 15, 12:25am until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Overnight
Low: 75 °F
Chance
T-storms and
Patchy Fog
Saturday
High: 89 °F
Slight Chance
T-storms and
Patchy Fog
Saturday Night
Low: 70 °F
T-storms
Likely
Sunday
High: 82 °F
Slight Chance
T-storms then
Mostly Sunny
Sunday Night
Low: 63 °F
Partly Cloudy
Monday
High: 82 °F
Mostly Sunny
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 85 °F
Slight Chance
Showers then
Slight Chance
T-storms

Detailed Forecast

Overnight

A 40 percent chance of showers and thunderstorms, mainly after 3am. Patchy fog after 2am. Otherwise, mostly cloudy, with a steady temperature around 75. East wind around 7 mph. New rainfall amounts between a quarter and half of an inch possible.

Saturday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 106. South southwest wind around 7 mph becoming northwest in the morning. Chance of precipitation is 10%.

Saturday Night

Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 70. West northwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday

A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 82. North northwest wind 6 to 10 mph.

Sunday Night

Partly cloudy, with a low around 63. North wind 5 to 8 mph becoming calm after midnight.

Monday

Mostly sunny, with a high near 82.

Monday Night

Mostly clear, with a low around 65.

Tuesday

A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

Tuesday Night

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