Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast

72°F

22°C

Humidity	87%
Wind Speed	SE 6 mph
Barometer	29.98 in (1014.0 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	14 Aug 7:53 pm CDT

More Information:

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

Extended Forecast for

Manly IA

Tonight
Low: 66 °F
Partly Cloudy
then Slight
Chance
T-storms
Friday
High: 87 °F
Partly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 70 °F
Mostly Cloudy
Saturday
High: 90 °F
Mostly Sunny
Saturday Night
Low: 70 °F
Chance
T-storms
Sunday
High: 88 °F
Chance
T-storms
Sunday Night
Low: 68 °F
Chance
T-storms
Monday
High: 85 °F
Chance
T-storms
Monday Night
Low: 67 °F
Chance
T-storms

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 66. South wind 8 to 10 mph, with gusts as high as 18 mph.

Friday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South wind 8 to 10 mph, with gusts as high as 18 mph.

Friday Night

Mostly cloudy, with a low around 70. South wind 6 to 8 mph.

Saturday

Mostly sunny, with a high near 90. Heat index values as high as 103. South wind 6 to 10 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 70. South southeast wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.

Monday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.

Monday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Tuesday

Partly sunny, with a high near 82.

Tuesday Night

Partly cloudy, with a low around 63.

Wednesday

Mostly sunny, with a high near 80.