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.

Fair

87°F

31°C

Humidity 35%
Wind Speed S 16 G 29 mph
Barometer 29.68 in (1004.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 May 3:53 pm CDT
Extended Forecast for

Marshalltown Municipal Airport IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. Breezy, with a south wind around 16 mph, with gusts as high as 23 mph.

    High: 86 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 2am. Some of the storms could be severe. Low around 57. South wind 6 to 15 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Severe
    Thunderstorms

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Northwest wind 5 to 13 mph becoming east in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly after midnight. Increasing clouds, with a low around 59. East southeast wind 10 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Windy, with a south wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Windy. Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 64. Windy. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms and
    Windy then
    Showers
    Likely and
    Breezy

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 85. Windy. Chance of precipitation is 80%.

    High: 85 °F

    Windy.
    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. Windy. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely and
    Windy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. Breezy.

    High: 68 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 86. Breezy, with a south wind around 16 mph, with gusts as high as 23 mph.
Tonight
Showers and thunderstorms, mainly before 2am. Some of the storms could be severe. Low around 57. South wind 6 to 15 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 83. Northwest wind 5 to 13 mph becoming east in the afternoon.
Saturday Night
Showers and thunderstorms likely, mainly after midnight. Increasing clouds, with a low around 59. East southeast wind 10 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Windy, with a south wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 64. Windy. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 85. Windy. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. Windy. Chance of precipitation is 70%.
Tuesday
Partly sunny, with a high near 68. Breezy.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown Municipal Airport IA
 42.1°N 92.92°W
Last Update:
3:22 pm CDT May 15, 2026
Forecast Valid:
4pm CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation