Local Forecast

Mason City, IA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Mason City, IA.

Active Alerts 2 active

Hour-by-Hour  Current Observation

Sunday 5:25 PM CDTSunday 5:25 PM

°F °C
Regional Observations →
78°F

Cloudy

  • 87° / 75° High / Low
  • 82° Feels Like
  • 0% Chance of Rain

Wind

16 mph

G 24 mph

SE

UV Index

6

High

Humidity

84%

Dew 73°F

Sun

5:35 AM · 8:56 PM

Rise · Set

Source: MASON CITY (KMCW). Slider scrubs the next 12 hours.

5-Day Outlook

Through Thursday

Local Radar →

Today

87° 75°

Thunderstorms

Overnight: Isolated T-storm

Detailed forecast

Today

Showers and thunderstorms likely before 2pm. Partly sunny. High near 88, with temperatures falling to around 86 in the afternoon. Southeast wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Night

A slight chance of showers and thunderstorms between 9pm and midnight. Partly cloudy. Low around 75, with temperatures rising to around 77 overnight. South southeast wind 12 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Monday

95° 77°

Mostly Sunny

Overnight: Chance of Thunderstorms

Detailed forecast

Monday

Sunny, with a high near 95. Heat index values as high as 106. South wind 13 to 23 mph, with gusts as high as 36 mph.

Night

A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 76. Heat index values as high as 106. South wind 12 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tuesday

95° 73°

Partly Sunny

Overnight: Thunderstorms Likely

Detailed forecast

Tuesday

A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 94. South southwest wind 12 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Night

A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Wednesday

91° 73°

Mostly Cloudy

Overnight: Scattered Thunderstorms Likely

Detailed forecast

Wednesday

Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 91. Chance of precipitation is 70%.

Night

Showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 60%.

Thursday

91° 71°

Isolated T-storm

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Thursday

A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%.

Mason City, IA Weather Analysis Tools