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

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fog/Mist

72°F

22°C

Humidity	94%
Wind Speed	E 7 mph
Barometer	30.04 in (1016.7 mb)
Dewpoint	70°F (21°C)
Visibility	6.00 mi
Last update	15 Aug 3:54 am CDT

More Information:

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

Extended Forecast for

Shell Rock IA

Overnight
Low: 70 °F
Slight Chance
T-storms and
Patchy Fog
Saturday
High: 82 °F
Slight Chance
T-storms and
Patchy Fog
Saturday Night
Low: 68 °F
Chance
T-storms then
Slight Chance
Showers
Sunday
High: 78 °F
Decreasing
Clouds
Sunday Night
Low: 59 °F
Mostly Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 62 °F
Slight Chance
T-storms then
Chance
Showers
Tuesday
High: 79 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 62 °F
Heavy Rain

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Patchy fog after 5am. Otherwise, cloudy, with a steady temperature around 70. East southeast wind around 6 mph.

Saturday

A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 82. East wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.

Saturday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 68. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly cloudy, then gradually becoming sunny, with a high near 78. North northwest wind 8 to 14 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 59. Northwest wind 5 to 9 mph.

Monday

Sunny, with a high near 79.

Monday Night

A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 62.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.

Tuesday Night

Showers and possibly a thunderstorm before 1am, then showers likely. Some of the storms could produce heavy rainfall. Low around 62. Chance of precipitation is 80%.

Wednesday

Partly sunny, with a high near 74.

Wednesday Night

Partly cloudy, with a low around 55.

Thursday

Mostly sunny, with a high near 72.

Thursday Night

Partly cloudy, with a low around 57.

Friday

Mostly sunny, with a high near 74.