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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

86°F

30°C

Humidity 46%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Jun 3:35 pm CDT
Extended Forecast for

Grinnell Regional Airport IA

Extreme Heat Watch June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Juneteenth

    Juneteenth: Sunny, with a high near 86. West wind around 9 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 68. South wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 68 °F

    Clear then
    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 11am. Mostly sunny, with a high near 93. Heat index values as high as 101. Windy, with a south wind 11 to 21 mph, with gusts as high as 31 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Chance
    T-storms and
    Breezy then
    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Windy, with a south wind 18 to 21 mph, with gusts as high as 31 mph.

    Low: 76 °F

    Mostly Clear
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 96. Windy, with a south southwest wind 21 to 25 mph, with gusts as high as 36 mph.

    High: 96 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 77. Windy.

    Low: 77 °F

    Clear and
    Windy

  • Sunday

    Sunday: Sunny, with a high near 96. Windy.

    High: 96 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Breezy.

    Low: 75 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: A 40 percent chance of showers after 1pm. Sunny, with a high near 94.

    High: 94 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Juneteenth
Sunny, with a high near 86. West wind around 9 mph.
Tonight
A 30 percent chance of showers and thunderstorms after 3am. Increasing clouds, with a low around 68. South wind 6 to 11 mph, with gusts as high as 18 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 11am. Mostly sunny, with a high near 93. Heat index values as high as 101. Windy, with a south wind 11 to 21 mph, with gusts as high as 31 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 76. Windy, with a south wind 18 to 21 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 96. Windy, with a south southwest wind 21 to 25 mph, with gusts as high as 36 mph.
Saturday Night
Clear, with a low around 77. Windy.
Sunday
Sunny, with a high near 96. Windy.
Sunday Night
Mostly clear, with a low around 75. Breezy.
Monday
A 40 percent chance of showers after 1pm. Sunny, with a high near 94.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
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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:
2:36 pm CDT Jun 19, 2025
Forecast Valid:
3pm CDT Jun 19, 2025-6pm CDT Jun 25, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation