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

Lone Rock Tri-County Regional Airport (KLNR)

Lat: 43.21° N Lon: 90.19° W Elev: 712 ft.

Light Snow

12°F

-11°C

Humidity 70%
Wind Speed NW 18 G 29 mph
Barometer 29.87 in (1012.6 mb)
Dewpoint 4°F (-16°C)
Visibility 1.25 mi
Wind Chill-5°F (-21°C)
Last update 18 Jan 10:56 pm CST
Detailed forecast for

Iowa County

Tonight
Bitterly cold. Breezy. Mostly cloudy until early morning then becoming partly cloudy. Light snow in the evening, then chance of light snow late in the evening. Areas of blowing snow in the late evening and overnight. Snow accumulation up to 1 inch. Total snow accumulation up to 2 inches. Lows around 6 below. West winds 10 to 15 mph shifting to the northwest 15 to 25 mph after midnight. Gusts up to 40 mph. Chance of snow 90 percent. Lowest wind chill readings 18 below to 28 below zero after midnight.
Martin Luther King Jr Day
Bitterly cold. Colder. Partly sunny. Areas of blowing snow in the morning. Highs around 3. Northwest winds 10 to 20 mph. Gusts up to 35 mph in the morning. Lowest wind chill readings 19 below to 29 below zero until late afternoon.
Monday Night
Partly cloudy. Lows around 4 below. West winds up to 10 mph.
Tuesday
Not as cold. Sunny in the morning then becoming partly sunny. Highs around 14. Southwest winds up to 10 mph.
Tuesday Night
Not as cold. Mostly cloudy. Chance of light snow through around midnight, then light snow likely after midnight. Snow accumulation of 1 to 2 inches. Lows around 10. South winds up to 5 mph. Chance of snow 70 percent.
Wednesday
Mostly cloudy with a 20 percent chance of light snow. Highs in the lower 20s.
Wednesday Night
Mostly cloudy with a 20 percent chance of light snow through around midnight, then partly cloudy after midnight. Lows around 2.
Thursday
Partly sunny. Highs around 13.
Thursday Night
Partly cloudy through around midnight then becoming mostly cloudy. Lows around 2 below.
Friday
Partly sunny with a 20 percent chance of light snow. Highs around 10.
Friday Night
Partly cloudy. Lows around 9 below.
Saturday
Partly sunny. Highs around 3.
Saturday Night
Mostly cloudy with a 20 percent chance of light snow. Lows around 12 below.
Sunday
Partly sunny with a 20 percent chance of light snow. Highs around 6.



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935 PM CST Sun Jan 18 2026
 
 

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