Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. 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

80°F

27°C

Humidity	54%
Wind Speed	S 9 mph
Barometer	30.06 in (1017.0 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	20 Aug 1:53 pm CDT

More Information:

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

Extended Forecast for

Rock Falls IA

This Afternoon
High: 81 °F
Partly Sunny
Tonight
Low: 64 °F
Slight Chance
T-storms
Friday
High: 82 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 54 °F
Mostly Clear
Sunday
High: 76 °F
Sunny
Sunday Night
Low: 56 °F
Slight Chance
Showers
Monday
High: 76 °F
Partly Sunny

Detailed Forecast

This Afternoon

Partly sunny, with a high near 81. South wind around 9 mph.

Tonight

A slight chance of showers and thunderstorms between 11pm and 3am. Mostly cloudy, with a low around 64. South wind around 8 mph. Chance of precipitation is 20%.

Friday

Sunny, with a high near 82. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

Friday Night

Mostly clear, with a low around 61. Northwest wind 3 to 7 mph.

Saturday

Sunny, with a high near 78. North northwest wind 5 to 13 mph, with gusts as high as 21 mph.

Saturday Night

Mostly clear, with a low around 54.

Sunday

Sunny, with a high near 76.

Sunday Night

A 20 percent chance of showers. Partly cloudy, with a low around 56.