National Weather Service United States Department of Commerce

Severe weather possible for parts of northern, central Plains and Upper Midwest, as well as parts of OH, TN Valleys and Southeast

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Wednesday afternoon and evening for two areas: one covering parts of the northern & central Plains and Upper Midwest; and the other area covering parts of the Tenn. & Ohio Valleys and Southeast. Large hail & damaging winds will be the main threats, but there is a possibility of tornadoes for the Plains/Midwest area.
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Hazardous Weather Conditions

Current Conditions

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Mason City Municipal Airport IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

Tonight

Heavy Rain Chance for Measurable Precipitation 50%

Heavy
Rain

Low: 69 °F

Thursday

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

High: 89 °F

Thursday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 69 °F

Friday

Partly Sunny

Partly
Sunny

High: 88 °F

Friday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 69 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

High: 85 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 68 °F

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 84 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 63 °F

Detailed Forecast

  • Tonight Scattered showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 69. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
  • Thursday Scattered showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 89. South southwest wind 8 to 13 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Thursday Night A 30 percent chance of showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 69. South southwest wind 5 to 9 mph becoming calm after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Friday Partly sunny, with a high near 88. Northwest wind around 5 mph becoming north northeast in the afternoon.
  • Friday Night Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 69. East northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
  • Saturday A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. New rainfall amounts between a quarter and half of an inch possible.
  • Saturday Night A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
  • Sunday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
  • Sunday Night A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
  • Monday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
  • Monday Night Partly cloudy, with a low around 58.
  • Tuesday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
  • Tuesday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
  • Wednesday A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.