Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Unknown Precip Fog

37°F

3°C

Humidity	100%
Wind Speed	SE 13 mph
Barometer	29.89 in
Dewpoint	37°F (3°C)
Visibility	0.25 mi
Wind Chill	29°F (-2°C)
Last update	27 Dec 10:15 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Ryan IA

Dense Fog Advisory December 27, 10:38am until December 27, 12:00pm

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory December 27, 10:38am until December 27, 12:00pm
NOW until 12:00pm Sat
Dense Fog Advisory
Today
High: 43 °F
Dense Fog
Tonight
Low: 40 °F
Slight Chance
Rain and
Areas Fog
Sunday
High: 45 °F⇓
Rain then
Wintry Mix
and Breezy
Sunday Night
Low: 9 °F
Snow Likely
and Windy
Monday
High: 15 °F
Partly Sunny
and Blustery
Monday Night
Low: 6 °F
Mostly Clear
and Blustery
then Mostly
Clear
Tuesday
High: 28 °F
Mostly Sunny
Tuesday Night
Low: 18 °F
Mostly Cloudy

Detailed Forecast

Today

Widespread dense fog, mainly before 11am. Otherwise, cloudy, with a high near 43. Southeast wind around 10 mph, with gusts as high as 20 mph.

Tonight

A 20 percent chance of rain after 9pm. Areas of fog. Otherwise, cloudy, with a low around 40. Southeast wind 5 to 10 mph.

Sunday

Rain before 1pm, then rain, possibly mixed with sleet between 1pm and 3pm, then snow, possibly mixed with rain and sleet after 3pm. Temperature rising to near 45 by 9am, then falling to around 27 during the remainder of the day. Breezy, with a southeast wind 5 to 10 mph becoming northwest 15 to 25 mph in the morning. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than a half inch possible.

Sunday Night

Snow likely, mainly before midnight. Cloudy, with a low around 9. Wind chill values as low as -10. Windy, with a northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

Monday

Partly sunny, with a high near 15. Blustery.

Monday Night

Mostly clear, with a low around 6. Blustery.

Tuesday

Mostly sunny, with a high near 28.

Tuesday Night

Mostly cloudy, with a low around 18.

Wednesday

Partly sunny, with a high near 28.

Wednesday Night

Mostly cloudy, with a low around 4.