Severe Thunderstorm and Flash Flooding Risks from Southern Plains to Midwest; Heat Wave Developing in the Southeast

Severe thunderstorms and flash flooding will again be possible from the Southern Plains into the Midwest on Friday. Periodic risks of severe thunderstorms, along with flash flooding, are forecast from the Central and Southern Plains to the Great Lakes and Northeast into the Memorial Day weekend. Temperatures across much of the East will run above normal where they will hold into Memorial Day. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

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Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Heavy Rain Fog/Mist

53°F

12°C

Humidity	96%
Wind Speed	SE 20 G 28 mph
Barometer	29.98 in (1014.8 mb)
Dewpoint	52°F (11°C)
Visibility	3.00 mi
Wind Chill	48°F (9°C)
Last update	24 May 5:53 am CDT

More Information:

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

Extended Forecast for

Mason City Municipal Airport IA

Today

T-storms and
Breezy then
Isolated
T-storms
High: 73 °F
Tonight

Partly Cloudy
Low: 57 °F
Saturday

Mostly Sunny
High: 80 °F
Saturday
Night

Partly Cloudy
Low: 51 °F
Sunday

Mostly Sunny
High: 75 °F
Sunday
Night

Slight Chance
T-storms then
T-storms
Likely
Low: 58 °F
Memorial
Day

T-storms
Likely
High: 74 °F
Monday
Night

Chance
T-storms
Low: 57 °F
Tuesday

Chance
T-storms
High: 71 °F

Detailed Forecast

Today

Periods of showers and thunderstorms, mainly before 9am. High near 73. Breezy, with an east southeast wind 13 to 17 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Partly cloudy, with a low around 57. Southwest wind 6 to 10 mph.

Saturday

Mostly sunny, with a high near 80. West wind 8 to 11 mph.

Saturday Night

Partly cloudy, with a low around 51. Northwest wind 6 to 8 mph becoming northeast after midnight.

Sunday

Mostly sunny, with a high near 75. Northeast wind around 7 mph becoming east southeast in the afternoon.

Sunday Night

Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Memorial Day

Showers and thunderstorms likely. Cloudy, with a high near 74. Chance of precipitation is 70%.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71.

Tuesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.

Wednesday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 69.

Wednesday Night

Partly cloudy, with a low around 48.