National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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Hazardous Weather Conditions

Current Conditions

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Anamosa IA

7 Day Forecast

For More Weather Information:

Quad Cities, IA/IL Local Forecast Office

Overnight

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

Low: 71 °F

Saturday

Scattered Thunderstorms Chance for Measurable Precipitation 40%

Scattered
Thunderstorms

High: 89 °F

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 10%

Slight Chc
Thunderstorms

Low: 71 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 91 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 70 °F

Monday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 86 °F

Monday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 67 °F

Tuesday

Chance Thunderstorms

Chance
Thunderstorms

High: 86 °F

Tuesday
Night

Thunderstorms Likely

Thunderstorms
Likely

Low: 67 °F

Detailed Forecast

  • Overnight Scattered showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 71. East wind around 5 mph. Chance of precipitation is 30%.
  • Saturday Scattered showers and thunderstorms, mainly before 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 100. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
  • Saturday Night A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. East wind around 10 mph.
  • Sunday Mostly sunny, with a high near 91.
  • Sunday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
  • Monday Night A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 86.
  • Tuesday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 67.
  • Wednesday A chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
  • Wednesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
  • Thursday Night Partly cloudy, with a low around 55.
  • Friday Sunny, with a high near 76.