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.

Mostly Cloudy

46°F

8°C

Humidity 64%
Wind Speed NW 8 mph
Barometer 30.12 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 9 Apr 4:55 am CDT
Extended Forecast for

Tama IA

  • Today

    Today: A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 60. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Sunny then
    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 3am. Low around 38. Northeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 38 °F

    Showers then
    Showers
    Likely

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 57. North wind around 8 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 60. Southeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Windy.

    Low: 60 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: Partly sunny, with a high near 80. Windy.

    High: 80 °F

    Partly Sunny
    and Windy

Detailed Forecast

Today
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 60. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 3am. Low around 38. Northeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 57. North wind around 8 mph.
Friday Night
Mostly clear, with a low around 37. Light and variable wind.
Saturday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 60. Southeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, with thunderstorms also possible after 7am. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Windy.
Monday
Partly sunny, with a high near 80. Windy.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 59. Breezy. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tama IA
 41.97°N 92.57°W
Last Update:
3:12 am CDT Apr 9, 2026
Forecast Valid:
5am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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