Severe Thunderstorms from the Midwest to Mid-Atlantic Tonight; The Heat Continues in the Southern and Eastern U.S.

Strong to severe thunderstorms capable of producing large to very large hail, damaging wind gusts and a few strong tornadoes are likely from the Midwest to the Mid-Atlantic tonight. Moderate Risk (level 4 of 5) of severe thunderstorms is outlooked for the Midwest. A widespread heat wave will peak in the South and East on Friday, with many temperature records expected to be broken. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

71°F

22°C

Humidity	57%
Wind Speed	W 10 mph
Barometer	29.94 in (1012.8 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	12 Jun 9:53 am CDT

More Information:

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

Extended Forecast for

Rock Falls IA

Today
High: 81 °F
Sunny then
Sunny and
Breezy
Tonight
Low: 60 °F
Mostly Clear
Saturday
High: 78 °F
Chance
Showers then
Chance
T-storms
Saturday Night
Low: 50 °F
Slight Chance
T-storms then
Slight Chance
Showers
Sunday
High: 72 °F
Sunny and
Breezy
Sunday Night
Low: 49 °F
Mostly Clear
Monday
High: 75 °F
Sunny
Monday Night
Low: 51 °F
Partly Cloudy
then Slight
Chance
Showers
Tuesday
High: 76 °F
Mostly Sunny

Detailed Forecast

Today

Sunny, with a high near 81. Breezy, with a west wind 10 to 16 mph, with gusts as high as 24 mph.

Tonight

Mostly clear, with a low around 60. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

Saturday

A slight chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 78. West southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. 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 slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly clear, with a low around 50. Northwest wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Sunday

Sunny, with a high near 72. Breezy, with a northwest wind 14 to 18 mph, with gusts as high as 26 mph.

Sunday Night

Mostly clear, with a low around 49.

Monday

Sunny, with a high near 75.

Monday Night

A 20 percent chance of showers after 1am. Partly cloudy, with a low around 51.

Tuesday

Mostly sunny, with a high near 76.

Tuesday Night

A 30 percent chance of showers after 1am. Partly cloudy, with a low around 53.