Dangerous Heat Continues; Monitoring Excessive Rainfall and Flash Flooding

The heat continues along and east of the Mississippi River. The most significant cumulative heat impacts are expected across the Mid-Atlantic through today and eastern Ohio Valley through Friday. Severe weather and heavy rainfall potential from the Southwest, Plains, upper Midwest, Great Lakes, mid-Atlantic and Northeast the next couple of days. A disturbance near the Marianas may bring flooding. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fog/Mist

70°F

21°C

Humidity	97%
Wind Speed	NE 5 mph
Barometer	29.96 in (1013.4 mb)
Dewpoint	69°F (21°C)
Visibility	4.00 mi
Last update	26 Jun 6:53 am CDT

More Information:

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

Extended Forecast for

4 Miles N Mason City IA

Today
High: 80 °F
Chance
T-storms then
Heavy Rain
Tonight
Low: 61 °F
Heavy Rain
then Cloudy
Friday
High: 78 °F
Decreasing
Clouds
Friday Night
Low: 62 °F
Partly Cloudy
Saturday
High: 89 °F
Mostly Sunny
Saturday Night
Low: 69 °F
Chance
T-storms
Sunday
High: 89 °F
Chance
T-storms then
T-storms
Likely
Sunday Night
Low: 65 °F
Chance
T-storms
Monday
High: 83 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 80. Light and variable wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Tonight

Showers and thunderstorms, mainly before 9pm. Some of the storms could produce heavy rainfall. Low around 61. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Cloudy, then gradually becoming mostly sunny, with a high near 78. North northwest wind around 6 mph.

Friday Night

Partly cloudy, with a low around 62. Light and variable wind.

Saturday

Mostly sunny, with a high near 89. South wind 5 to 10 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

Monday

Mostly sunny, with a high near 83.

Monday Night

Mostly clear, with a low around 62.

Tuesday

Sunny, with a high near 83.

Tuesday Night

Partly cloudy, with a low around 61.