Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Light Snow

10°F

-12°C

Humidity 85%
Wind Speed NW 15 G 30 mph
Barometer 29.86 in
Dewpoint 7°F (-14°C)
Visibility 6.00 mi
Wind Chill-7°F (-22°C)
Last update 18 Jan 8:15 pm CST
Extended Forecast for

Elgin IA

Cold Weather Advisory January 18, 11:00pm until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: A 30 percent chance of snow before 9pm.  Patchy blowing snow between 9pm and 2am. Mostly cloudy, with a low around -8. Wind chill values as low as -27. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 36 mph.

    Low: -8 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 4. Wind chill values as low as -29. Blustery, with a west wind 9 to 17 mph, with gusts as high as 31 mph.

    High: 4 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around -5. Wind chill values as low as -12. West wind around 6 mph becoming calm  in the evening.

    Low: -5 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 15. Wind chill values as low as -5. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 15 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 8. Light and variable wind becoming west around 5 mph after midnight.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 8 °F

    Snow Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 21. West wind 6 to 11 mph.

    High: 21 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 2. West wind 6 to 10 mph.

    Low: 2 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 14. West wind 6 to 9 mph.

    High: 14 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -1. West wind around 6 mph becoming north after midnight.

    Low: -1 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow before 9pm. Patchy blowing snow between 9pm and 2am. Mostly cloudy, with a low around -8. Wind chill values as low as -27. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 36 mph.
M.L.King Day
Partly sunny and cold, with a high near 4. Wind chill values as low as -29. Blustery, with a west wind 9 to 17 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around -5. Wind chill values as low as -12. West wind around 6 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 15. Wind chill values as low as -5. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 8. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Partly sunny, with a high near 21. West wind 6 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 2. West wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 14. West wind 6 to 9 mph.
Thursday Night
Mostly cloudy, with a low around -1. West wind around 6 mph becoming north after midnight.
Friday
Partly sunny, with a high near 9. North wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around -9. North wind around 7 mph.
Saturday
Partly sunny and cold, with a high near 1. North wind 6 to 8 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -12. North wind 5 to 7 mph.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 5. North wind 5 to 8 mph becoming west in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Elgin IA
 42.97°N 91.62°W
7:57 pm CST Jan 18, 2026
8pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database