Severe Thunderstorms and Heavy Rainfall Across the Central Plains and Central Appalachians

Severe thunderstorms producing damaging winds, heavy rainfall, hail and possibly a few tornadoes will continue through tonight across portions of Kansas and Oklahoma. Heavy rainfall will persist across the Central Appalachians through tonight, potentially leading to areas of flooding. The severe weather and heavy rainfall threat will shift into the lower Great Lakes on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast

65°F

18°C

Humidity	97%
Wind Speed	W 5 mph
Barometer	29.82 in (1008.6 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	18 Jun 2:53 am CDT

More Information:

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

Extended Forecast for

3 Miles W Mason City IA

Flood Warning June 18, 10:00pm until June 20, 01:00am

Click here for hazard details and duration

Flood Warning

Overnight
Low: 62 °F
Chance
T-storms
Wednesday
High: 78 °F
Chance
T-storms
Wednesday Night
Low: 59 °F
Chance
T-storms then
Mostly Clear
Juneteenth
High: 85 °F
Sunny
Thursday Night
Low: 66 °F
Mostly Clear
then Chance
T-storms
Friday
High: 90 °F
Chance
T-storms and
Breezy
Friday Night
Low: 76 °F
Mostly Clear
and Windy
Saturday
High: 95 °F
Sunny and
Windy
Saturday Night
Low: 75 °F
Mostly Clear
and Breezy

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 62. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 78. Calm wind becoming north northwest 5 to 9 mph in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 30 percent chance of showers and thunderstorms, mainly between 8pm and 9pm. Partly cloudy, with a low around 59. West wind 6 to 9 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth

Sunny, with a high near 85. West wind 6 to 10 mph.

Thursday Night

A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South wind 7 to 10 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 90. Breezy. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Mostly clear, with a low around 76. Windy.

Saturday

Sunny, with a high near 95. Windy.

Saturday Night

Mostly clear, with a low around 75. Breezy.

Sunday

Sunny, with a high near 93. Windy.

Sunday Night

A 40 percent chance of showers. Mostly clear, with a low around 72. Breezy.

Monday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.