Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

A Few Clouds

65°F

18°C

Humidity	93%
Wind Speed	Calm
Barometer	30.08 in (1017.6 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	29 Aug 9:53 pm CDT

More Information:

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

Extended Forecast for

4 Miles E Grafton IA

Tonight
Low: 58 °F
Partly Cloudy
then Patchy
Fog
Saturday
High: 75 °F
Fog then
Slight Chance
T-storms
Saturday Night
Low: 58 °F
Mostly Cloudy
Sunday
High: 75 °F
Partly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 57 °F
Slight Chance
T-storms then
Slight Chance
Showers
Labor Day
High: 74 °F
Chance
Showers
Monday Night
Low: 55 °F
Partly Cloudy
Tuesday
High: 74 °F
Slight Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 53 °F
Chance
Showers

Detailed Forecast

Tonight

Patchy fog after 3am. Otherwise, increasing clouds, with a low around 58. Calm wind.

Saturday

A slight chance of showers between noon and 1pm, then a slight chance of showers and thunderstorms after 1pm. Widespread fog, mainly before 8am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

Saturday Night

Mostly cloudy, with a low around 58. East wind 3 to 5 mph.

Sunday

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 75. Southeast wind 5 to 7 mph. Chance of precipitation is 20%.

Sunday Night

A slight chance of thunderstorms before 7pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 57. Southeast wind 3 to 6 mph. Chance of precipitation is 20%.

Labor Day

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. East wind 3 to 6 mph. Chance of precipitation is 30%.

Monday Night

Partly cloudy, with a low around 55. Light south wind.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 40%.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. West wind 5 to 7 mph.

Wednesday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 63. North wind 9 to 14 mph.

Wednesday Night

Partly cloudy, with a low around 41. Northwest wind 7 to 10 mph.

Thursday

Mostly sunny, with a high near 61. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.

Thursday Night

Partly cloudy, with a low around 46. West wind around 7 mph.

Friday

Mostly sunny, with a high near 69. Northwest wind 7 to 11 mph.