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Tropical Depression Nine in the Gulf of America; California October Heat Wave Continues

Tropical Depression Nine is forecast to track toward the central U.S. Gulf Coast while strengthening into a tropical storm by early Wednesday and a hurricane on Thursday. Stay tuned to forecast updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday in Coastal California. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

70°F

21°C

Humidity 61%
Wind Speed S 9 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 6 Oct 8:53 pm CDT
Extended Forecast for

4 Miles NW Garwin IA

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 55. South southwest wind 6 to 8 mph becoming west northwest after midnight.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 75. North wind 6 to 8 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. North northwest wind 5 to 7 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. North northwest wind around 5 mph becoming calm in the afternoon.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 73.

    High: 73 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Breezy.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 55. South southwest wind 6 to 8 mph becoming west northwest after midnight.
Wednesday
Sunny, with a high near 75. North wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 51. North northwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 69. North northwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 52. Light and variable wind.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 73.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 80. Breezy.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Garwin IA
 42.12°N 92.74°W
Last Update:
9:46 pm CDT Oct 6, 2026
Forecast Valid:
9pm CDT Oct 6, 2026-6pm CDT Oct 13, 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