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	30.02 in
Dewpoint	73°F (23°C)
Visibility	3.00 mi
Last update	15 Aug 3:55 am CDT

More Information:

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

Extended Forecast for

Colfax IA

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

Click here for hazard details and duration

Flood Watch

Flood Watch August 15, 04:04am until August 15, 10:00am
NOW until 10:00am Sat
Flood Watch
Overnight
Low: 72 °F
Heavy Rain
and Patchy
Fog
Saturday
High: 84 °F
Chance
T-storms and
Patchy Fog
Saturday Night
Low: 70 °F
Chance
T-storms
Sunday
High: 82 °F
Slight Chance
Showers then
Mostly Sunny
Sunday Night
Low: 62 °F
Partly Cloudy
Monday
High: 82 °F
Sunny
Monday Night
Low: 65 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 84 °F
Chance
T-storms

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Patchy fog. Otherwise, cloudy, with a low around 72. East wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 84. Light and variable wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

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

Sunday

A 20 percent chance of showers before 9am. Partly sunny, with a high near 82. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.

Sunday Night

Partly cloudy, with a low around 62. North northwest wind 3 to 8 mph.

Monday

Sunny, with a high near 82.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.

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%.