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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

77°F

25°C

Humidity 48%
Wind Speed SW 13 mph
Barometer 29.83 in (1009.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 6 Oct 5:53 pm CDT
Extended Forecast for

3 Miles SSW Le Grand IA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 55. South southwest wind 5 to 9 mph becoming west after midnight.

    Low: 55 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 75. North northwest wind 5 to 8 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. West wind around 6 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. North northwest wind around 5 mph becoming calm in the afternoon.

    High: 70 °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 74.

    High: 74 °F

    Chance
    Showers

  • Friday Night

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

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Breezy.

    High: 81 °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 2am. Otherwise, mostly clear, with a low around 55. South southwest wind 5 to 9 mph becoming west after midnight.
Wednesday
Sunny, with a high near 75. North northwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 51. West wind around 6 mph.
Thursday
Sunny, with a high near 70. 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 74.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 81. Breezy.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 57.
Columbus Day
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Le Grand IA
 41.97°N 92.8°W
Last Update:
6:21 pm CDT Oct 6, 2026
Forecast Valid:
6pm 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