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Very heavy rainfall and flooding possible in central and southern U.S. on Tuesday and Wednesday

A slow-moving front will bring multiple waves of heavy rain across a swath of the central and southern U.S., from Texas up to Michigan on Tuesday and into Wednesday. Parts of the ArkLaTex region could see 5 to 7 inches of rain on Wednesday. Freezing rain will also be possible in the Upper Midwest over next couple days, with snow in the Northern Plains and Upper Great Lakes on Tuesday. Read More >

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Overcast

-8°C

18°F

Humidity 92%
Wind Speed N 20 km/h
Barometer 1012.2 mb (29.84 in)
Dewpoint -9°C (16°F)
Visibility 16 km
Wind Chill-15°C (5°F)
Last update 19 Feb 11:52 pm CST
Extended Forecast for

2 Miles NNW Allen NE

Winter Weather Advisory until February 20, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 20, 12:00pm

    NOW until
    12:00pm Tue

    Winter Weather Advisory

  • Overnight

    Overnight: Snow and sleet likely before 3am, then snow, possibly mixed with freezing rain between 3am and 5am, then snow likely after 5am. Some thunder is also possible.  Low around -11. North northwest wind 15 to 20 km/h.  Chance of precipitation is 80%. Little or no ice accumulation expected.  Total nighttime snow and sleet accumulation of around 2 centimeters.

    Wintry Mix

    Low: -11 °C

  • Tuesday

    Tuesday: A chance of snow before 8am, then a chance of flurries between 8am and 1pm.  Patchy blowing snow between 10am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near -9. Northwest wind 20 to 25 km/h increasing to 25 to 30 km/h in the morning. Winds could gust as high as 45 km/h.  Chance of precipitation is 40%.

    Chance Snow
    and Patchy
    Blowing Snow

    High: -9 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around -19. Northwest wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight.

    Partly Cloudy

    Low: -19 °C

  • Wednesday

    Wednesday: Sunny, with a high near -6. West northwest wind 5 to 10 km/h becoming east southeast in the afternoon.

    Sunny

    High: -6 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around -16. East southeast wind around 10 km/h.

    Partly Cloudy

    Low: -16 °C

  • Thursday

    Thursday: Snow, mainly after 1pm.  High near -3. Chance of precipitation is 80%. New snow accumulation of around 4 centimeters.

    Slight Chance
    Snow then
    Snow

    High: -3 °C

  • Thursday
    Night

    Thursday Night: Snow, mainly before 1am.  Low around -11. Chance of precipitation is 80%. New snow accumulation of less than one centimeter possible.

    Snow

    Low: -11 °C

  • Friday

    Friday: Mostly sunny, with a high near -2.

    Mostly Sunny

    High: -2 °C

Detailed Forecast

Overnight
Snow and sleet likely before 3am, then snow, possibly mixed with freezing rain between 3am and 5am, then snow likely after 5am. Some thunder is also possible. Low around -11. North northwest wind 15 to 20 km/h. Chance of precipitation is 80%. Little or no ice accumulation expected. Total nighttime snow and sleet accumulation of around 2 centimeters.
Tuesday
A chance of snow before 8am, then a chance of flurries between 8am and 1pm. Patchy blowing snow between 10am and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near -9. Northwest wind 20 to 25 km/h increasing to 25 to 30 km/h in the morning. Winds could gust as high as 45 km/h. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around -19. Northwest wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight.
Wednesday
Sunny, with a high near -6. West northwest wind 5 to 10 km/h becoming east southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around -16. East southeast wind around 10 km/h.
Thursday
Snow, mainly after 1pm. High near -3. Chance of precipitation is 80%. New snow accumulation of around 4 centimeters.
Thursday Night
Snow, mainly before 1am. Low around -11. Chance of precipitation is 80%. New snow accumulation of less than one centimeter possible.
Friday
Mostly sunny, with a high near -2.
Friday Night
Partly cloudy, with a low around -10.
Saturday
Partly sunny, with a high near 1.
Saturday Night
Partly cloudy, with a low around -8.
Sunday
Mostly sunny, with a high near 3.
Sunday Night
Partly cloudy, with a low around -8.
Monday
Mostly sunny, with a high near 3.
Click Map For Forecast
Point Forecast:
2 Miles NNW Allen NE
 42.45°N 96.86°W (Elev. 401 m)
11:16 pm CST Feb 19, 2018
12am CST Feb 20, 2018-6pm CST Feb 25, 2018
 
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