National Weather Service United States Department of Commerce

Flash flooding possible for parts of Upper Midwest

A slow-moving weather system progressing from the northern Plains to the Great Lakes will bring excessive rainfall and a risk of flash flooding to portions of the Upper Midwest on Friday. The heaviest rainfall is expected from central Iowa northeastward across southeastern Minn. and into Wisc. Rainfall totals of 1-2 inches, with locally-higher amounts, are possible through Saturday morning.
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Hazardous Weather Conditions

Current Conditions

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Iona FL

7 Day Forecast

For More Weather Information:

Tampa Bay, FL Local Forecast Office

This
Afternoon

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 92 °F

Tonight

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 78 °F

Saturday

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

High: 93 °F

Saturday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 77 °F

Sunday

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

High: 92 °F

Sunday
Night

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

Low: 77 °F

Labor
Day

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

High: 92 °F

Monday
Night

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

Low: 77 °F

Tuesday

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

High: 93 °F

Detailed Forecast

  • This Afternoon Showers and thunderstorms likely. Partly sunny, with a high near 92. Heat index values as high as 98. South southeast wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Tonight Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Light east wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday Scattered showers and thunderstorms after noon. Mostly sunny, with a high near 93. Heat index values as high as 99. East southeast wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Saturday Night Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 77. East wind 3 to 5 mph. Chance of precipitation is 20%.
  • Sunday Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. East wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Sunday Night Scattered showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77. East wind 5 to 9 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Labor Day Scattered showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92. East wind 7 to 9 mph. Chance of precipitation is 40%.
  • Monday Night Scattered showers and thunderstorms. Partly cloudy, with a low around 77. East wind 7 to 9 mph. Chance of precipitation is 30%.
  • Tuesday Scattered showers and thunderstorms. Mostly sunny, with a high near 93. East wind 6 to 9 mph. Chance of precipitation is 40%.
  • Tuesday Night Scattered showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 30%.
  • Wednesday Scattered showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
  • Wednesday Night Scattered showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
  • Thursday Scattered showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%.