National Weather Service United States Department of Commerce

A Moderate Risk of Severe Thunderstorms is Forecast This Evening and Tonight

Damaging winds and large hail are likely from North Dakota into western and northern Minnesota this evening into tonight. Some wind gusts could be particularly damaging. Storms are also possible over the Texas panhandle and the Carolinas.
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Current Conditions

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Ottawa IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Today

Mostly Sunny

Mostly
Sunny

High: 91 °F

Tonight

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 69 °F

Wednesday

Partly Sunny

Partly
Sunny

High: 77 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 55 °F

Thursday

Sunny

Sunny

High: 76 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 56 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 78 °F

Friday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 64 °F

Saturday

Chance Thunderstorms

Chance
Thunderstorms

High: 80 °F

Detailed Forecast

  • Today Mostly sunny, with a high near 91. Heat index values as high as 98. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
  • Tonight A 50 percent chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 69. Southwest wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 15 mph.
  • Wednesday Partly sunny, with a high near 77. North northeast wind 10 to 15 mph.
  • Wednesday Night Mostly clear, with a low around 55. North northeast wind 5 to 10 mph.
  • Thursday Sunny, with a high near 76. Northeast wind around 5 mph becoming calm in the afternoon.
  • Thursday Night Mostly clear, with a low around 56.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
  • Friday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
  • Saturday A chance of showers and thunderstorms. Partly sunny, with a high near 80.
  • Saturday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
  • Sunday A chance of showers and thunderstorms. Partly sunny, with a high near 82.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
  • Monday A chance of showers and thunderstorms. Partly sunny, with a high near 78.