Hazardous Weather Conditions
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
Overnight

Low: 70 °F
Partly Cloudy
Tuesday

High: 91 °F
Mostly Sunny
Tuesday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-stormsWednesday
High: 91 °F
T-storms
Likely and
WindyWednesday Night
Low: 66 °F
T-storms
Likely and
Breezy then
Showers
LikelyThursday
High: 84 °F
Showers then
T-stormsThursday Night
Low: 57 °F
Chance
T-storms then
Slight Chance
ShowersFriday

High: 82 °F
Sunny
Friday Night

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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Montezuma IA
41.59°N 92.52°W
41.59°N 92.52°W
1:27 am CDT Jun 9, 2026
3am CDT Jun 9, 2026-6pm CDT Jun 15, 2026



