National Weather Service United States Department of Commerce

Severe weather possible for parts of central, northern Plains

The NWS Storm Prediction Center is forecasting a risk of severe thunderstorms Tuesday afternoon and evening across portions of the central and northern Plains, from northeastern Nebraska across parts of eastern and northern South Dakota. Large hail will be the main risk, though a tornado or two is possible, as well.
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Hazardous Weather Conditions

Current Conditions

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Johnston IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

This
Afternoon

Mostly Cloudy

Mostly
Cloudy

High: 71 °F

Tonight

Showers Likely Chance for Measurable Precipitation 70%

Showers
Likely

Low: 61 °F

Wednesday

Showers Chance for Measurable Precipitation 90%

Showers

High: 72 °F

Wednesday
Night

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 59 °F

Thursday

Thunderstorms Likely Chance for Measurable Precipitation 70%

Thunderstorms
Likely

High: 71 °F

Thursday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 47 °F

Friday

Windy

Windy

High: 55 °F

Friday
Night

Breezy

Breezy

Low: 39 °F

Saturday

Sunny

Sunny

High: 59 °F

Detailed Forecast

  • This Afternoon Mostly cloudy, with a high near 71. East southeast wind 11 to 14 mph, with gusts as high as 18 mph.
  • Tonight Scattered showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 61. Southeast wind 10 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
  • Wednesday Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 72. South southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
  • Wednesday Night Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. South southeast wind around 6 mph becoming north northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
  • Thursday Showers and thunderstorms likely before 1pm, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 71. North wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
  • Thursday Night Mostly cloudy, with a low around 47.
  • Friday Mostly sunny, with a high near 55. Windy.
  • Friday Night Mostly clear, with a low around 39. Breezy.
  • Saturday Sunny, with a high near 59.
  • Saturday Night Partly cloudy, with a low around 45.
  • Sunday Mostly sunny, with a high near 69.
  • Sunday Night Mostly clear, with a low around 47.
  • Monday Mostly sunny, with a high near 65.