National Weather Service

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

85°F

29°C

Humidity	68%
Wind Speed	S 18 G 35 mph
Barometer	29.80 in (1007.5 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	22 Jun 10:53 am CDT

More Information:

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

Extended Forecast for

Mason City IA

Heat Advisory June 22, 10:57am until June 22, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 22, 10:57am until June 22, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
Today
High: 93 °F
Sunny and
Windy
Tonight
Low: 74 °F
Breezy. Clear
then Slight
Chance
T-storms
Monday
High: 86 °F
Slight Chance
T-storms then
Showers
Likely
Monday Night
Low: 63 °F
T-storms
Likely then
Showers
Likely
Tuesday
High: 76 °F
Showers
Likely
Tuesday Night
Low: 66 °F
Showers
Likely then
Showers
Wednesday
High: 84 °F
Showers then
T-storms
Wednesday Night
Low: 67 °F
Showers

Detailed Forecast

Today

Sunny, with a high near 93. Heat index values as high as 101. Windy, with a south wind 21 to 24 mph, with gusts as high as 36 mph.

Tonight

A 20 percent chance of showers and thunderstorms after 4am. Mostly clear, with a low around 74. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 33 mph.

Monday

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 86. South southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 63. Northwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Northeast wind around 7 mph becoming east southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.

Wednesday Night

Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 80%.

Thursday

Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Friday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

Friday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

Saturday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.