Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

40°F

4°C

Humidity 68%
Wind Speed W 6 mph
Barometer 29.95 in (1015.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 Mar 11:53 am CDT
Extended Forecast for

Garwin IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 50. Southwest wind around 6 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South southwest wind around 5 mph becoming west after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 55. North northwest wind 5 to 7 mph becoming east in the afternoon.

    High: 55 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. Light and variable wind becoming south around 6 mph in the evening.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Southwest wind 7 to 10 mph becoming west northwest in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Breezy.

    High: 58 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 50. Southwest wind around 6 mph.
Tonight
Mostly cloudy, with a low around 33. South southwest wind around 5 mph becoming west after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 55. North northwest wind 5 to 7 mph becoming east in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. Light and variable wind becoming south around 6 mph in the evening.
Friday
Mostly sunny, with a high near 70. Southwest wind 7 to 10 mph becoming west northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 43. Breezy.
Sunday
Mostly cloudy, with a high near 58. Breezy.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly cloudy, with a high near 44.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Garwin IA
 42.1°N 92.68°W
8:17 am CDT Mar 18, 2026
12pm CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database