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

Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

27°F

-3°C

Humidity 86%
Wind Speed NW 20 mph
Barometer 30.03 in
Dewpoint 23°F (-5°C)
Visibility 9.00 mi
Wind Chill13°F (-11°C)
Last update 10 Dec 12:35 pm CST
Extended Forecast for

Defiance IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a temperature falling to around 24 by 4pm. Northwest wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 27 °F⇓

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 16. Northwest wind 5 to 8 mph becoming calm.

    Low: 16 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow before 10am, then a chance of freezing rain. Cloudy, with a high near 32. South wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 32 °F

    Slight Chance
    Wintry Mix
    then Chance
    Freezing Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16. South southeast wind 6 to 10 mph becoming north northwest after midnight. Winds could gust as high as 17 mph.

    Low: 16 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 23. North northwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 23 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Cloudy, with a low around 6. North northwest wind 5 to 9 mph becoming light and variable in the evening.

    Low: 6 °F

    Cloudy then
    Slight Chance
    Snow

  • Saturday

    Saturday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 12. East northeast wind 3 to 8 mph.

    High: 12 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -8. North wind 3 to 6 mph.

    Low: -8 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 14. Light and variable wind becoming southeast 5 to 9 mph in the morning.

    High: 14 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a temperature falling to around 24 by 4pm. Northwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 16. Northwest wind 5 to 8 mph becoming calm.
Thursday
A slight chance of snow before 10am, then a chance of freezing rain. Cloudy, with a high near 32. South wind 5 to 9 mph. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 16. South southeast wind 6 to 10 mph becoming north northwest after midnight. Winds could gust as high as 17 mph.
Friday
Mostly cloudy, with a high near 23. North northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Friday Night
A 20 percent chance of snow after midnight. Cloudy, with a low around 6. North northwest wind 5 to 9 mph becoming light and variable in the evening.
Saturday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 12. East northeast wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around -8. North wind 3 to 6 mph.
Sunday
Sunny, with a high near 14. Light and variable wind becoming southeast 5 to 9 mph in the morning.
Sunday Night
Partly cloudy, with a low around 6. South southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 33. Southwest wind 7 to 10 mph, with gusts as high as 17 mph.
Monday Night
Partly cloudy, with a low around 16. South southwest wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 39. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Defiance IA
 41.83°N 95.35°W (Elev. 1293 ft)
Last Update:
12:35 pm CST Dec 10, 2025
Forecast Valid:
12pm CST Dec 10, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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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