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

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Light Unknown Precip

45°F

7°C

Humidity 100%
Wind Speed W 8 mph
Barometer 29.73 in
Dewpoint 45°F (7°C)
Visibility 0.75 mi
Wind Chill41°F (5°C)
Last update 26 Dec 2:55 am CST
Extended Forecast for

2 Miles WSW Dunlap IA

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a steady temperature around 41. Light west wind.

    Low: 41 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 53. North northwest wind around 5 mph becoming calm  in the afternoon.

    High: 53 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. Light south southeast wind.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 57. South southeast wind 3 to 8 mph.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. Light and variable wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 22 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon.  Mostly cloudy, with a high near 34. Breezy, with a north northwest wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 34 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 31 mph.

    Low: 8 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 23. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.

    High: 23 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a steady temperature around 41. Light west wind.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 53. North northwest wind around 5 mph becoming calm in the afternoon.
Friday Night
Mostly cloudy, with a low around 37. Light south southeast wind.
Saturday
Mostly cloudy, with a high near 57. South southeast wind 3 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 25. Light and variable wind becoming north 8 to 13 mph after midnight. Winds could gust as high as 22 mph.
Sunday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 34. Breezy, with a north northwest wind 14 to 22 mph, with gusts as high as 33 mph.
Sunday Night
Partly cloudy, with a low around 8. Blustery, with a northwest wind 15 to 18 mph, with gusts as high as 31 mph.
Monday
Sunny, with a high near 23. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 10. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 40. Light southwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 19. West northwest wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 37. West northwest wind 5 to 9 mph becoming south southwest in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 14. South southwest wind around 6 mph becoming light and variable after midnight.
New Year's Day
Mostly sunny, with a high near 30. North northeast wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Dunlap IA
 41.85°N 95.62°W (Elev. 1086 ft)
1:56 am CST Dec 26, 2025
3am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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