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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Hannibal MO

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

This
Afternoon

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

High: 89 °F

Tonight

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 69 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 85 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 68 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 87 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 71 °F

Labor
Day

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 84 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 67 °F

Tuesday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 84 °F

Detailed Forecast

  • This Afternoon Scattered showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 89. South wind around 9 mph. Chance of precipitation is 30%.
  • Tonight Showers and thunderstorms likely, mainly after 7pm. Mostly cloudy, with a low around 69. South wind around 7 mph. Chance of precipitation is 60%.
  • Saturday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Southwest wind 6 to 8 mph.
  • Saturday Night Partly cloudy, with a low around 68. Light south wind.
  • Sunday Mostly sunny, with a high near 87. South wind 5 to 7 mph.
  • Sunday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
  • Labor Day Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
  • Monday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
  • Tuesday A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
  • Tuesday Night A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
  • Wednesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
  • Wednesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
  • Thursday Mostly sunny, with a high near 88.