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 >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fog

41°F

5°C

Humidity 100%
Wind Speed E 3 mph
Barometer 29.94 in
Dewpoint 41°F (5°C)
Visibility 0.50 mi
Last update 26 Dec 10:55 pm CST
Extended Forecast for

Farmington IA

Dense Fog Advisory December 26, 11:04pm until December 27, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 26, 11:04pm until December 27, 12:00pm

    NOW until 12:00pm Sat

    Dense Fog Advisory

  • Tonight

    Low: 40 °F

    Dense Fog

  • Saturday

    Saturday: Areas of dense fog before noon.  Otherwise, mostly cloudy, with a high near 56. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 56 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am.  Cloudy, with a temperature rising to around 58 by midnight. Southeast wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Rain showers likely before noon, then rain likely between noon and 3pm, then rain likely, possibly mixed with snow after 3pm. Some thunder is also possible.  Cloudy, with a high near 55. Breezy, with a light and variable wind becoming northwest 20 to 25 mph in the morning. Winds could gust as high as 35 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 55 °F

    Showers
    Likely then
    Rain/Snow
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Blustery.

    Low: 13 °F

    Mostly Cloudy
    and Blustery

  • Monday

    Monday: Mostly sunny, with a high near 22. Blustery.

    High: 22 °F

    Partly Sunny
    and Blustery
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Tonight
Widespread dense fog, mainly after midnight. Otherwise, cloudy, with a low around 40. Calm wind becoming southeast around 5 mph after midnight.
Saturday
Areas of dense fog before noon. Otherwise, mostly cloudy, with a high near 56. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Cloudy, with a temperature rising to around 58 by midnight. Southeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
Rain showers likely before noon, then rain likely between noon and 3pm, then rain likely, possibly mixed with snow after 3pm. Some thunder is also possible. Cloudy, with a high near 55. Breezy, with a light and variable wind becoming northwest 20 to 25 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 13. Blustery.
Monday
Mostly sunny, with a high near 22. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 12.
New Year's Day
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Mostly sunny, with a high near 26.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Farmington IA
 40.64°N 91.73°W (Elev. 643 ft)
8:51 pm CST Dec 26, 2025
11pm CST Dec 26, 2025-6pm CST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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