National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hurricane Isaias Approaching the Gulf Coast; Remnants of Rachel to Impact the Southwest U.S.

Hurricane Isaias is expected to make landfall along the U.S. northern Gulf Coast late Friday or early Saturday. A life-threatening storm surge is expected along the coast with damaging wind gusts extending well inland. Areas of heavy rainfall are forecast throughout much of the Southeast U.S. The remnants of Rachel will bring gusty winds and heavy rainfall to the Southwest U.S. this weekend. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

69°F

21°C

Humidity 78%
Wind Speed SE 6 mph
Barometer 29.93 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 9 Oct 8:15 pm CDT
Extended Forecast for

Grinnell IA

  • Tonight

    Tonight: Clear, with a low around 61. South wind 7 to 9 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84. South wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. South southeast wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. South wind 7 to 10 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. South southeast wind around 8 mph.

    Low: 65 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 61. South wind 7 to 9 mph.
Saturday
Sunny, with a high near 84. South wind 8 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 58. South southeast wind 7 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 82. South wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 65. South southeast wind around 8 mph.
Columbus Day
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 71.
Tuesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 53.
Wednesday
Showers likely, mainly before 1pm. Partly sunny, with a high near 66. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 67.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grinnell IA
 41.75°N 92.75°W
Last Update:
5:47 pm CDT Oct 9, 2026
Forecast Valid:
8pm CDT Oct 9, 2026-6pm CDT Oct 16, 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