National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Monticello Regional Airport (KMXO)

Lat: 42.22°NLon: 91.16°WElev: 827ft.

Overcast

39°F

4°C

Humidity 100%
Wind Speed NW 8 mph
Barometer 29.81 in
Dewpoint 39°F (4°C)
Visibility 8.00 mi
Wind Chill33°F (1°C)
Last update 26 Dec 1:55 pm CST
Extended Forecast for

Delaware IA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 39. Northwest wind 5 to 10 mph.

    High: 39 °F

    Cloudy

  • Tonight

    Tonight: Widespread dense fog, mainly after midnight. Otherwise, cloudy, with a low around 35. Calm wind becoming southeast around 5 mph after midnight.

    Low: 35 °F

    Dense Fog

  • Saturday

    Saturday: Widespread fog before 7am. Otherwise, cloudy, with a high near 45. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 45 °F

    Fog then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. Southeast wind 5 to 10 mph becoming northeast after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain showers before noon, then rain likely between noon and 3pm, then snow likely after 3pm. Cloudy, with a high near 45. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Showers then
    Rain/Snow
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 8. Blustery.

    Low: 8 °F

    Chance Snow
    and Blustery

  • Monday

    Monday: Partly sunny, with a high near 16. Blustery.

    High: 16 °F

    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 39. Northwest wind 5 to 10 mph.
Tonight
Widespread dense fog, mainly after midnight. Otherwise, cloudy, with a low around 35. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Widespread fog before 7am. Otherwise, cloudy, with a high near 45. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 39. Southeast wind 5 to 10 mph becoming northeast after midnight.
Sunday
A chance of rain showers before noon, then rain likely between noon and 3pm, then snow likely after 3pm. Cloudy, with a high near 45. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 8. Blustery.
Monday
Partly sunny, with a high near 16. Blustery.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 25.
Wednesday Night
Mostly cloudy, with a low around 1.
New Year's Day
Sunny, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Delaware IA
 42.47°N 91.35°W (Elev. 1076 ft)
Last Update:
1:31 pm CST Dec 26, 2025
Forecast Valid:
2pm CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation