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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

80°F

27°C

Humidity 45%
Wind Speed S 13 G 18 mph
Barometer 29.90 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Oct 5:55 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

  • Tonight

    Tonight: Clear, with a low around 59. South southeast wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. South wind around 9 mph.

    Low: 69 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 87. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers, mainly after 1am. Mostly clear, with a low around 57.

    Low: 57 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 59. South southeast wind 9 to 13 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 86. South wind 8 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 69. South wind around 9 mph.
Columbus Day
Sunny, with a high near 87. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 63. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
A 50 percent chance of showers, mainly after 1am. Mostly clear, with a low around 57.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 70.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 61. Breezy.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grinnell Regional Airport IA
 41.71°N 92.75°W
Last Update:
5:51 pm CDT Oct 10, 2026
Forecast Valid:
6pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation