National Weather Service United States Department of Commerce

Flash flooding possible across southern Plains

A wet weather system continues across the southern U.S., with abundant moisture brining heavy rain and a risk of flash flooding to parts of the southern Plains on Wednesday. The heaviest rain will fall across Oklahoma, though flood watches and warnings are in effect eastern Colorado to western Arkansas. The flash flood threat should diminish on Thursday, as the system weakens over Texas.
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Current Conditions

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Johnston IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

This
Afternoon

Sunny

Sunny

High: 80 °F

Tonight

Mostly Clear

Mostly
Clear

Low: 57 °F

Thursday

Sunny

Sunny

High: 81 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 59 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 82 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 60 °F

Saturday

Sunny

Sunny

High: 82 °F

Saturday
Night

Mostly Clear

Mostly
Clear

Low: 61 °F

Sunday

Sunny

Sunny

High: 84 °F

Detailed Forecast

  • This Afternoon Sunny, with a high near 80. North northwest wind around 6 mph.
  • Tonight Mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm in the evening.
  • Thursday Sunny, with a high near 81. Light west northwest wind.
  • Thursday Night Partly cloudy, with a low around 59. Calm wind.
  • Friday Mostly sunny, with a high near 82. Calm wind.
  • Friday Night Partly cloudy, with a low around 60.
  • Saturday Sunny, with a high near 82.
  • Saturday Night Mostly clear, with a low around 61.
  • Sunday Sunny, with a high near 84.
  • Sunday Night Mostly clear, with a low around 64.
  • Monday Mostly sunny, with a high near 85.
  • Monday Night Partly cloudy, with a low around 65.
  • Tuesday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.