National Weather Service United States Department of Commerce

Flash flooding possible across southern Plains through early Thursday

A wet weather system continues across the southern U.S., with abundant moisture bringing heavy rain and a risk of flash flooding to parts of the southern Plains through early Thursday. The heaviest rain will fall across Oklahoma into western Arkansas. The flash flood threat should diminish later Thursday, as the system weakens over Texas.
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Current Conditions

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Waterloo IL

7 Day Forecast

For More Weather Information:

Saint Louis, MO Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 81 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 59 °F

Friday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 82 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Saturday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 83 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 63 °F

Sunday

Mostly Sunny

Mostly
Sunny

High: 84 °F

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: 64 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.
  • Thursday A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 81. Calm wind becoming southeast around 6 mph in the morning.
  • Thursday Night Partly cloudy, with a low around 59. South wind 3 to 6 mph.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. Light and variable wind.
  • Friday Night Partly cloudy, with a low around 60. Northeast wind around 5 mph becoming calm in the evening.
  • Saturday A 20 percent chance of showers. Mostly sunny, with a high near 83.
  • Saturday Night Partly cloudy, with a low around 63.
  • Sunday Mostly sunny, with a high near 84.
  • Sunday Night Partly cloudy, with a low around 64.
  • Monday Sunny, with a high near 86.
  • Monday Night Mostly clear, with a low around 66.
  • Tuesday Mostly sunny, with a high near 89.
  • Tuesday Night Partly cloudy, with a low around 68.
  • Wednesday Mostly sunny, with a high near 89.