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.

Light Drizzle Fog

43°F

6°C

Humidity	100%
Wind Speed	E 6 mph
Barometer	29.72 in
Dewpoint	43°F (6°C)
Visibility	0.50 mi
Wind Chill	39°F (4°C)
Last update	27 Dec 9:35 pm CST

More Information:

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

Extended Forecast for

Martelle IA

Wind Advisory December 28, 02:00pm until December 29, 06:00pm

Dense Fog Advisory December 27, 09:54pm until December 28, 12:00pm

Click here for hazard details and duration

Wind Advisory

Dense Fog Advisory

Dense Fog Advisory December 27, 09:54pm until December 28, 12:00pm
NOW until 12:00pm Sun
Dense Fog Advisory
Tonight
Low: 42 °F
Slight Chance
Rain and
Dense Fog
Sunday
High: 45 °F⇓
Rain then
Wintry Mix
and Breezy
Sunday Night
Low: 10 °F
Windy. Snow
Likely then
Chance Snow
Monday
High: 16 °F
Partly Sunny
and Windy
Monday Night
Low: 6 °F
Mostly Clear
Tuesday
High: 28 °F
Mostly Sunny
Tuesday Night
Low: 21 °F
Mostly Cloudy
Wednesday
High: 30 °F
Mostly Cloudy

Detailed Forecast

Tonight

A slight chance of rain before 1am, then a slight chance of rain after 2am. Widespread dense fog. Otherwise, cloudy, with a low around 42. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

Sunday

Rain and snow, possibly mixed with sleet before 3pm, then snow and sleet likely between 3pm and 4pm, then snow likely after 4pm. Temperature rising to near 45 by 10am, then falling to around 24 during the remainder of the day. Breezy, with a south wind 5 to 10 mph becoming northwest 15 to 25 mph. 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. Mostly cloudy, with a low around 10. Wind chill values as low as -10. Windy, with a west wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Monday

Partly sunny, with a high near 16. Wind chill values as low as -10. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 40 mph.

Monday Night

Mostly clear, with a low around 6.

Tuesday

Mostly sunny, with a high near 28.

Tuesday Night

Mostly cloudy, with a low around 21.

Wednesday

Mostly cloudy, with a high near 30.

Wednesday Night

Mostly cloudy, with a low around 10.