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

61°F

16°C

Humidity 76%
Wind Speed SE 9 mph
Barometer 29.94 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 11 Oct 2:15 am CDT
Extended Forecast for

Montezuma IA

  • Overnight

    Overnight: Clear, with a steady temperature around 62. South southeast wind around 10 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South wind around 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 86. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Partly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 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

Overnight
Clear, with a steady temperature around 62. South southeast wind around 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 86. South wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 67. South southwest wind around 10 mph, with gusts as high as 20 mph.
Columbus Day
Sunny, with a high near 86. South southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday Night
Clear, with a low around 65. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Showers likely, mainly after 1am. Partly cloudy, with a low around 58. Chance of precipitation is 60%.
Wednesday
A 40 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
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 58. Breezy.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montezuma IA
 41.59°N 92.52°W
Last Update:
1:21 am CDT Oct 11, 2026
Forecast Valid:
2am CDT Oct 11, 2026-6pm CDT Oct 17, 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