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

80°F

27°C

Humidity 36%
Wind Speed SW 18 G 23 mph
Barometer 29.90 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 6 Oct 3:15 pm CDT
Extended Forecast for

4 Miles N New Sharon IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. South southwest wind around 10 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. South southwest wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog between 8am and 9am.  Otherwise, sunny, with a high near 77. Calm wind becoming north around 5 mph in the morning.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Light west northwest wind.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 71. Light north wind.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. South southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 56. South southwest wind 5 to 7 mph becoming light and variable after midnight.
Wednesday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 77. Calm wind becoming north around 5 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 52. Light west northwest wind.
Thursday
Sunny, with a high near 71. Light north wind.
Thursday Night
Partly cloudy, with a low around 53.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 76.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 58.
Columbus Day
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N New Sharon IA
 41.53°N 92.67°W
1:56 pm CDT Oct 6, 2026
3pm 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