Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

53°F

12°C

Humidity 60%
Wind Speed S 15 G 22 mph
Barometer 30.35 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 18 Oct 10:55 am CDT
Extended Forecast for

4 Miles W Chelsea IA

  • Today

    Today: Sunny, with a high near 66. South wind 13 to 15 mph, with gusts as high as 22 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 40. South wind 5 to 8 mph becoming calm  after midnight.

    Low: 40 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. Light southeast wind.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 68. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 68 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. South wind 13 to 15 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 40. South wind 5 to 8 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 40. Light southeast wind.
Tuesday
Sunny, with a high near 68. Calm wind becoming south southeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Chelsea IA
 41.92°N 92.48°W
11:07 am CDT Oct 18, 2026
11am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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Additional Resources

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