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

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

85°F

29°C

Humidity 47%
Wind Speed SW 5 mph
Barometer 30.18 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 12:55 pm CDT
Extended Forecast for

5 Miles ESE Tama IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. South wind around 8 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 65. South wind 3 to 6 mph.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 62. South wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Breezy, with a south wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 87 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 90. South wind around 8 mph.
Tonight
Clear, with a low around 65. South wind 3 to 6 mph.
Saturday
Sunny, with a high near 89. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
Clear, with a low around 62. South wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 87. Breezy, with a south wind 13 to 20 mph, with gusts as high as 31 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Tama IA
 41.94°N 92.48°W
Last Update:
11:53 am CDT Oct 3, 2025
Forecast Valid:
1pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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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