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

Hazardous Weather Conditions

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fog

32°F

0°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.65 in (1004.7 mb)
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Wind Chill27°F (-3°C)
Last update 6 Jan 7:53 am CST
Extended Forecast for

Marshalltown IA

Dense Fog Advisory January 6, 08:51am until January 6, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory January 6, 08:51am until January 6, 12:00pm

    NOW until 12:00pm Tue

    Dense Fog Advisory

  • Today

    High: 39 °F

    Areas Dense
    Fog

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 29. Northwest wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 29 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 51. South wind 6 to 11 mph.

    High: 51 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 35. South wind 5 to 8 mph becoming calm after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 46. Calm wind becoming north 5 to 9 mph in the morning. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Slight Chance
    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 32. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Chance Rain

  • Friday

    Friday: A chance of rain before noon, then a chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.

    High: 40 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Today
Areas of dense fog before 1pm. Otherwise, mostly cloudy, with a high near 39. West northwest wind 6 to 13 mph, with gusts as high as 22 mph.
Tonight
Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 29. Northwest wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 18 mph.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 51. South wind 6 to 11 mph.
Wednesday Night
Increasing clouds, with a low around 35. South wind 5 to 8 mph becoming calm after midnight.
Thursday
A 50 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 46. Calm wind becoming north 5 to 9 mph in the morning. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of rain before noon, then a chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Saturday
A 30 percent chance of snow before noon. Partly sunny, with a high near 31. Blustery.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.04°N 92.92°W
Last Update:
8:22 am CST Jan 6, 2026
Forecast Valid:
8am CST Jan 6, 2026-6pm CST Jan 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation