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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Overcast

58°F

14°C

Humidity 87%
Wind Speed NW 13 mph
Barometer 29.83 in (1009.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Oct 1:53 am CDT
Extended Forecast for

Marshalltown IA

  • Overnight

    Overnight: Mostly clear, with a low around 59. West northwest wind 7 to 9 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. North wind around 5 mph becoming calm in the morning.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 55. North wind 5 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. North northeast wind around 9 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 53. Northeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers. High near 63. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 57. Breezy.

    High: 57 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33.

    Low: 33 °F

    Clear then
    Frost

Detailed Forecast

Overnight
Mostly clear, with a low around 59. West northwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 72. North wind around 5 mph becoming calm in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 55. North wind 5 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 67. North northeast wind around 9 mph.
Wednesday Night
A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 53. Northeast wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers. High near 63. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Sunny, with a high near 57. Breezy.
Friday Night
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 60.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marshalltown IA
 42.04°N 92.92°W
Last Update:
1:27 am CDT Oct 13, 2026
Forecast Valid:
2am CDT Oct 13, 2026-6pm CDT Oct 19, 2026
 
Forecast Discussion
 
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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