Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Partly Cloudy

83°F

28°C

Humidity	65%
Wind Speed	Vrbl 6 mph
Barometer	29.98 in (1013.9 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	14 Jun 12:53 pm CDT

More Information:

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

Extended Forecast for

3 Miles W Mason City IA

This Afternoon
High: 83 °F
Chance
T-storms
Tonight
Low: 64 °F
Chance
T-storms
Sunday
High: 84 °F
Showers
Likely then
T-storms
Likely
Sunday Night
Low: 64 °F
Chance
T-storms
Monday
High: 85 °F
Chance
T-storms
Monday Night
Low: 64 °F
T-storms
Likely
Tuesday
High: 83 °F
Chance
T-storms
Tuesday Night
Low: 62 °F
Showers
Wednesday
High: 79 °F
Showers
Likely

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 83. Southwest wind 7 to 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 6 mph becoming northeast in the evening. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers likely and possibly a thunderstorm before 10am, then showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 84. East southeast wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind 5 to 7 mph becoming southeast in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 85. South wind 6 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.

Tuesday Night

Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.

Wednesday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

Wednesday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59.

Juneteenth

Sunny, with a high near 82.

Thursday Night

A 30 percent chance of showers. Partly cloudy, with a low around 61.