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/Mist

37°F

3°C

Humidity 96%
Wind Speed NW 12 mph
Barometer 29.84 in (1011.2 mb)
Dewpoint 36°F (2°C)
Visibility 1.50 mi
Wind Chill29°F (-2°C)
Last update 26 Dec 9:53 am CST
Extended Forecast for

Clemons IA

Dense Fog Advisory December 26, 10:21am until December 26, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 26, 10:21am until December 26, 12:00pm

    NOW until 12:00pm Fri

    Dense Fog Advisory

  • Today

    High: 43 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 37. Calm wind becoming south southeast 5 to 8 mph after midnight.

    Low: 37 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 47. Southeast wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 47 °F

    Areas Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Patchy fog between 7pm and 10pm. Otherwise, mostly cloudy, with a low around 38. Light and variable wind becoming north 5 to 10 mph after midnight.

    Low: 38 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday

    Sunday: A slight chance of rain before noon, then a chance of rain and snow between noon and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 38. Windy, with a north northwest wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance
    Rain/Snow and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Windy.

    Low: 8 °F

    Windy. Slight
    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 20. Windy.

    High: 20 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Today
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 43. Northwest wind 5 to 9 mph becoming calm in the afternoon.
Tonight
Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 37. Calm wind becoming south southeast 5 to 8 mph after midnight.
Saturday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 47. Southeast wind 7 to 13 mph, with gusts as high as 18 mph.
Saturday Night
Patchy fog between 7pm and 10pm. Otherwise, mostly cloudy, with a low around 38. Light and variable wind becoming north 5 to 10 mph after midnight.
Sunday
A slight chance of rain before noon, then a chance of rain and snow between noon and 3pm, then a chance of snow after 3pm. Cloudy, with a high near 38. Windy, with a north northwest wind 13 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8. Windy.
Monday
Mostly sunny, with a high near 20. Windy.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 9.
New Year's Day
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clemons IA
 42.1°N 93.15°W
Last Update:
8:57 am CST Dec 26, 2025
Forecast Valid:
10am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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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