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

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Overcast

72°F

22°C

Humidity	97%
Wind Speed	E 12 mph
Barometer	30.07 in (1017.7 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	14 Aug 10:53 pm CDT

More Information:

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

Extended Forecast for

Beaman IA

Tonight
Low: 73 °F
Chance
T-storms and
Patchy Fog
Saturday
High: 87 °F
Chance
T-storms and
Patchy Fog
Saturday Night
Low: 67 °F
Chance
T-storms
Sunday
High: 80 °F
Slight Chance
T-storms then
Mostly Sunny
Sunday Night
Low: 60 °F
Mostly Clear
Monday
High: 80 °F
Sunny
Monday Night
Low: 61 °F
Mostly Clear
then Slight
Chance
T-storms
Tuesday
High: 82 °F
Chance
T-storms
Tuesday Night
Low: 64 °F
Showers
Likely

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, cloudy, with a steady temperature around 73. East wind around 8 mph, with gusts as high as 18 mph. New rainfall amounts between a half and three quarters of an inch possible.

Saturday

A 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 87. Heat index values as high as 100. Southeast wind around 6 mph becoming west northwest in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 67. West northwest wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A 10 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 80. North northwest wind 6 to 10 mph.

Sunday Night

Mostly clear, with a low around 60. Northwest wind 3 to 7 mph.

Monday

Sunny, with a high near 80.

Monday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 61.

Tuesday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82.

Tuesday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.