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.

Fair

80°F

27°C

Humidity 23%
Wind Speed S 18 G 24 mph
Barometer 29.74 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 Mar 1:55 pm CDT
Extended Forecast for

5 Miles ESE Tama IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. Breezy, with a south wind 11 to 16 mph, with gusts as high as 23 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 56. South southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 72. Breezy, with a south southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 26 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 36. North wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 36 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 45. Breezy, with an east northeast wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 45 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 35. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 35 °F

    Showers

  • Thursday

    Thursday: Showers. High near 55. Chance of precipitation is 100%.

    High: 55 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. Breezy, with a south wind 11 to 16 mph, with gusts as high as 23 mph.
Tonight
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 56. South southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 72. Breezy, with a south southwest wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 26 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 36. North wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 45. Breezy, with an east northeast wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 35. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers. High near 55. Chance of precipitation is 100%.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 34.
Friday
A 40 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 62.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 50. Breezy.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Blustery. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 50.
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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:
1:27 pm CDT Mar 30, 2026
Forecast Valid:
2pm CDT Mar 30, 2026-6pm CDT Apr 5, 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