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

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

76°F

24°C

Humidity 74%
Wind Speed Calm
Barometer 29.83 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Jun 7:55 pm CDT
Extended Forecast for

4 Miles SSE Tama IA

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 65. South wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 76. East northeast wind 7 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 59. North northwest wind 5 to 10 mph becoming light west northwest after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 86. West wind 3 to 8 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. South southwest wind 6 to 8 mph.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Breezy.

    High: 90 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

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

    Low: 75 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 95. Breezy.

    High: 95 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 75. Breezy.

    Low: 75 °F

    Clear and
    Breezy

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 65. South wind around 5 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. High near 76. East northeast wind 7 to 11 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 59. North northwest wind 5 to 10 mph becoming light west northwest after midnight. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 86. West wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 66. South southwest wind 6 to 8 mph.
Friday
Sunny, with a high near 90. Breezy.
Friday Night
Mostly clear, with a low around 75. Breezy.
Saturday
Sunny, with a high near 95. Breezy.
Saturday Night
Clear, with a low around 75. Breezy.
Sunday
Sunny, with a high near 94. Breezy.
Sunday Night
Mostly clear, with a low around 74. Breezy.
Monday
Sunny, with a high near 93.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Tama IA
 41.9°N 92.54°W
Last Update:
8:08 pm CDT Jun 17, 2025
Forecast Valid:
8pm CDT Jun 17, 2025-6pm CDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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