Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

71°F

22°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 29.93 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 9 Jun 3:15 am CDT
Extended Forecast for

Montezuma IA

Heat Advisory June 9, 01:00pm until June 9, 09:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between midnight and 3am.  Partly cloudy, with a low around 72. South wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm.  Mostly sunny, with a high near 91. Windy, with a south southwest wind 14 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    T-storms
    Likely and
    Windy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm.  Partly cloudy, with a low around 66. Breezy, with a southwest wind 13 to 18 mph becoming light south southwest  after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    T-storms
    Likely and
    Breezy then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 84. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 84 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am.  Mostly clear, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 70. Calm wind.
Tuesday
Mostly sunny, with a high near 91. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms between midnight and 3am. Partly cloudy, with a low around 72. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 91. Windy, with a south southwest wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm. Partly cloudy, with a low around 66. Breezy, with a southwest wind 13 to 18 mph becoming light south southwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly clear, with a low around 57. Chance of precipitation is 30%.
Friday
Sunny, with a high near 82.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 84.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Montezuma IA
 41.59°N 92.52°W
1:27 am CDT Jun 9, 2026
3am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
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Additional Resources

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