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

36°F

2°C

Humidity 97%
Wind Speed NW 7 mph
Barometer 29.88 in (1012.6 mb)
Dewpoint 35°F (2°C)
Visibility 5.00 mi
Wind Chill30°F (-1°C)
Last update 26 Dec 3:53 pm CST
Extended Forecast for

Garwin IA

  • This Afternoon

    This Afternoon: Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 38. Northwest wind 3 to 5 mph.

    High: 38 °F

    Patchy Fog

  • Tonight

    Tonight: Widespread dense fog, mainly before 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming south southeast 5 to 8 mph after midnight.

    Low: 36 °F

    Dense Fog

  • Saturday

    Saturday: Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 46. Southeast wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 46 °F

    Areas Fog

  • Saturday Night

    Saturday Night: Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 36. Southeast wind 5 to 8 mph becoming light and variable.

    Low: 36 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Sunday

    Sunday: A chance of rain before noon, then rain and snow likely between noon and 3pm, then snow likely after 3pm. Cloudy, with a high near 42. Windy, with a north northwest wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Windy. Chance
    Rain then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 7. Windy.

    Low: 7 °F

    Slight Chance
    Snow and
    Windy

  • Monday

    Monday: Mostly sunny, with a high near 16. Windy.

    High: 16 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 38. Northwest wind 3 to 5 mph.
Tonight
Widespread dense fog, mainly before 4am. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming south southeast 5 to 8 mph after midnight.
Saturday
Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 46. Southeast wind 9 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 36. Southeast wind 5 to 8 mph becoming light and variable.
Sunday
A chance of rain before noon, then rain and snow likely between noon and 3pm, then snow likely after 3pm. Cloudy, with a high near 42. Windy, with a north northwest wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 7. Windy.
Monday
Mostly sunny, with a high near 16. Windy.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 3.
New Year's Day
Sunny, with a high near 13.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garwin IA
 42.1°N 92.68°W
Last Update:
3:16 pm CST Dec 26, 2025
Forecast Valid:
3pm 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