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

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

56°F

13°C

Humidity 69%
Wind Speed S 9 mph
Barometer 30.05 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 6 Oct 8:55 am CDT
Extended Forecast for

5 Miles WSW Chelsea IA

  • Today

    Today: Sunny, with a high near 78. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. North northwest wind 3 to 6 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. Light northwest wind.

    Low: 50 °F

    Partly Cloudy

  • Thursday

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

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 78. South southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 55. South southwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 77. North northwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 50. Light northwest wind.
Thursday
Mostly sunny, with a high near 69. Light north wind.
Thursday Night
Mostly clear, with a low around 48.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 57.
Columbus Day
A 30 percent chance of showers. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Chelsea IA
 41.9°N 92.48°W
5:51 am CDT Oct 6, 2026
9am CDT Oct 6, 2026-6pm CDT Oct 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database