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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

63°F

17°C

Humidity 70%
Wind Speed SE 12 mph
Barometer 29.90 in (1011.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 11 Oct 2:53 am CDT
Extended Forecast for

4 Miles E Marshalltown Municipal Airport IA

  • Overnight

    Overnight: Clear, with a steady temperature around 62. South southeast wind around 10 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. South wind around 10 mph.

    Low: 68 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 22 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 62. South southwest wind around 9 mph becoming west northwest after midnight.

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Clear, with a steady temperature around 62. South southeast wind around 10 mph.
Sunday
Sunny, with a high near 86. South wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 68. South wind around 10 mph.
Columbus Day
Sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Monday Night
Clear, with a low around 62. South southwest wind around 9 mph becoming west northwest after midnight.
Tuesday
Sunny, with a high near 76.
Tuesday Night
A 30 percent chance of showers, mainly after 1am. Partly cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 69.
Wednesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Thursday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 57. Windy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Marshalltown Municipal Airport IA
 42.1°N 92.83°W
Last Update:
2:47 am CDT Oct 11, 2026
Forecast Valid:
3am CDT Oct 11, 2026-6pm CDT Oct 17, 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