Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

66°F

19°C

Humidity 95%
Wind Speed S 5 mph
Barometer 30.03 in
Dewpoint 65°F (18°C)
Visibility 7.00 mi
Last update 25 Jul 1:15 am CDT
Extended Forecast for

Tama IA

Extreme Heat Watch July 26, 12:00pm until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Overnight

    Overnight: A slight chance of drizzle before 3am.  Patchy fog.  Otherwise, cloudy, with a low around 64. Light south wind.

    Low: 64 °F

    Slight Chance
    Drizzle and
    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 89 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 70. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 94. Heat index values as high as 109. South southwest wind 3 to 8 mph.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. South wind 7 to 9 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of drizzle before 3am. Patchy fog. Otherwise, cloudy, with a low around 64. Light south wind.
Saturday
Areas of fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming south southwest around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 70. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 94. Heat index values as high as 109. South southwest wind 3 to 8 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 7 to 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Tama IA
 41.97°N 92.57°W
9:43 pm CDT Jul 24, 2026
1am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
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Additional Resources

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