National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Current Conditions

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Shelbyville IL

7 Day Forecast

For More Weather Information:

Lincoln, IL Local Forecast Office

Tonight

Patchy Fog

Patchy
Fog

Low: 35 °F

Saturday

Partly Sunny

Partly
Sunny

High: 56 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 49 °F

Sunday

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

High: 59 °F

Sunday
Night

Chance Rain Chance for Measurable Precipitation 30%

Chance
Rain

Low: 24 °F

Monday

Partly Sunny

Partly
Sunny

High: 30 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 19 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 36 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 28 °F

Detailed Forecast

  • Tonight Patchy fog. Otherwise, partly cloudy, with a low around 35. South wind around 14 mph, with gusts as high as 18 mph.
  • Saturday Partly sunny, with a high near 56. South wind 13 to 16 mph, with gusts as high as 24 mph.
  • Saturday Night Mostly cloudy, with a low around 49. South southwest wind around 15 mph, with gusts as high as 21 mph.
  • Sunday A 30 percent chance of rain after noon. Mostly cloudy, with a high near 59. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
  • Sunday Night A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 24. North northwest wind 11 to 14 mph, with gusts as high as 24 mph.
  • Monday Partly sunny, with a high near 30.
  • Monday Night Mostly clear, with a low around 19.
  • Tuesday Mostly sunny, with a high near 36.
  • Tuesday Night Mostly cloudy, with a low around 28.
  • Wednesday Mostly sunny, with a high near 42.
  • Wednesday Night Mostly cloudy, with a low around 29.
  • Thursday A chance of rain. Mostly cloudy, with a high near 42.
  • Thursday Night A chance of rain. Mostly cloudy, with a low around 32.
  • Friday Mostly cloudy, with a high near 44.