Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Drizzle Fog

41°F

5°C

Humidity	100%
Wind Speed	Calm
Barometer	29.65 in
Dewpoint	41°F (5°C)
Visibility	0.25 mi
Last update	26 Dec 3:35 am CST

More Information:

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

Extended Forecast for

4 Miles NNE Center Junction IA

Dense Fog Advisory December 26, 03:50am until December 26, 09:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory December 26, 03:50am until December 26, 09:00am
NOW until 9:00am Fri
Dense Fog Advisory
Overnight
Low: 41 °F
Chance
Drizzle and
Dense Fog
Friday
High: 46 °F
Patchy
Drizzle and
Dense Fog
then Cloudy
Friday Night
Low: 36 °F
Mostly Cloudy
then Patchy
Fog
Saturday
High: 47 °F
Patchy Fog
then Mostly
Cloudy
Saturday Night
Low: 43 °F
Cloudy
Sunday
High: 45 °F
Chance Rain
then Chance
Rain/Snow and
Breezy
Sunday Night
Low: 12 °F
Blustery.
Chance Snow
then Mostly
Cloudy
Monday
High: 21 °F
Mostly Sunny
and Blustery

Detailed Forecast

Overnight

A chance of drizzle, mainly before 5am. Widespread dense fog. Otherwise, cloudy, with a steady temperature around 41. Southeast wind around 5 mph becoming north.

Friday

Patchy drizzle before 7am. Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 36. North wind around 5 mph becoming calm.

Saturday

Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 47. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Saturday Night

Cloudy, with a low around 43.

Sunday

A chance of rain before 3pm, then a chance of rain and snow. Cloudy, with a high near 45. Breezy. Chance of precipitation is 50%. Little or no snow accumulation expected.

Sunday Night

A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 12. Blustery.

Monday

Mostly sunny, with a high near 21. Blustery.

Monday Night

Mostly clear, with a low around 10.

Tuesday

Mostly sunny, with a high near 32.

Tuesday Night

Mostly cloudy, with a low around 17.

Wednesday

Partly sunny, with a high near 26.