National Weather Service United States Department of Commerce

Wintry mix and snow from the western mountains to the southern Plains

A storm system in the west will bring rain to California and the Desert Southwest Saturday. Snow will fall in the Sierra, Great Basin and southern Rocky Mountains. Meanwhile a warm front will bring rain to Texas with a wintry mix from the Red River Valley to southern Ohio Valley. North of this front, snow is expected from the southern Plains to northern Ohio Valley.
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Current Conditions

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Knoxville IA

7 Day Forecast

For More Weather Information:

Des Moines, IA Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: -19 °C

Saturday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: -6 °C

Saturday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: -8 °C

Sunday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: -1 °C

Sunday
Night

Partly Cloudy

Partly
Cloudy

Low: -11 °C

Monday

Partly Sunny

Partly
Sunny

High: -2 °C

Monday
Night

Wintry Mix Chance for Measurable Precipitation 50%

Wintry
Mix

Low: -3 °C

Tuesday

Wintry Mix Chance for Measurable Precipitation 80%

Wintry
Mix

High: 3 °C

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: -13 °C

Detailed Forecast

  • Overnight Mostly clear, with a low around -19. Wind chill values as low as -25. Southeast wind 8 to 10 km/h.
  • Saturday A 50 percent chance of snow, mainly after 2pm. Increasing clouds, with a high near -6. Wind chill values as low as -25. South southeast wind 11 to 14 km/h. New snow accumulation of around a centimeter possible.
  • Saturday Night Snow likely. Cloudy, with a low around -8. South southeast wind 5 to 13 km/h. Chance of precipitation is 70%. New snow accumulation of 3 to 5 centimeters possible.
  • Sunday Snow likely, mainly before noon. Cloudy, with a high near -1. Light and variable wind becoming west northwest 9 to 14 km/h in the morning. Chance of precipitation is 60%. New snow accumulation of 1 to 2 centimeters possible.
  • Sunday Night Partly cloudy, with a low around -11. Northwest wind 11 to 16 km/h.
  • Monday Partly sunny, with a high near -2.
  • Monday Night A chance of snow before midnight, then a chance of freezing rain. Cloudy, with a low around -3. Chance of precipitation is 50%.
  • Tuesday Rain, snow, and freezing rain. High near 3. Chance of precipitation is 80%.
  • Tuesday Night A 40 percent chance of snow. Cloudy, with a low around -13. Blustery.
  • Wednesday Partly sunny, with a high near -8. Windy.
  • Wednesday Night Partly cloudy, with a low around -17.
  • Thursday Sunny, with a high near -3.
  • Thursday Night Mostly clear, with a low around -8.
  • Friday Sunny, with a high near 3.