October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Marshalltown, Marshalltown Municipal Airport (KMIW)

Lat: 42.11°NLon: 92.92°WElev: 971ft.

Fair

76°F

24°C

Humidity 39%
Wind Speed S 15 mph
Barometer 29.91 in (1012.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Oct 12:53 pm CDT
Extended Forecast for

4 Miles S Garwin IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 78 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. North wind around 5 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. West wind 3 to 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69. Light north wind.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    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

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Breezy, with a south southwest wind 14 to 16 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 55. South southwest wind 5 to 8 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 75. North wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 51. West wind 3 to 5 mph.
Thursday
Sunny, with a high near 69. Light north wind.
Thursday Night
Partly cloudy, with a low around 52.
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 59.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 57.
Columbus Day
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Garwin IA
 42.03°N 92.68°W
1:26 pm CDT Oct 6, 2026
1pm CDT Oct 6, 2026-6pm CDT Oct 12, 2026
 
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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