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

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Fog/Mist

73°F

23°C

Humidity	100%
Wind Speed	E 7 mph
Barometer	29.99 in
Dewpoint	73°F (23°C)
Visibility	4.00 mi
Last update	15 Aug 6:35 am CDT

More Information:

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

Extended Forecast for

3 Miles ESE Newton Municipal IA

Flood Watch August 15, 07:06am until August 15, 10:00am

Click here for hazard details and duration

...

Flood Watch August 15, 07:06am until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Today
High: 84 °F
Slight Chance
T-storms and
Patchy Fog
Tonight
Low: 70 °F
Chance
T-storms
Sunday
High: 82 °F
Slight Chance
Showers then
Partly Sunny
Sunday Night
Low: 62 °F
Decreasing
Clouds
Monday
High: 82 °F
Sunny
Monday Night
Low: 64 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 84 °F
Chance
T-storms
Tuesday Night
Low: 66 °F
Heavy Rain

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 84. East wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.

Tonight

A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 70. Light and variable wind. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A 20 percent chance of showers before 8am. Partly sunny, with a high near 82. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.

Sunday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 62. North northwest wind 3 to 8 mph.

Monday

Sunny, with a high near 82. Calm wind.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.

Tuesday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 66. Chance of precipitation is 80%.