Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

62°F

17°C

Humidity 75%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 May 3:15 am CDT
Extended Forecast for

6 Miles SSW Tama IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Calm wind becoming east around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. East wind around 9 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. East wind 5 to 8 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 63. Calm wind.
Wednesday
Sunny, with a high near 90. Calm wind.
Wednesday Night
Mostly clear, with a low around 61. Calm wind becoming east around 5 mph after midnight.
Thursday
Sunny, with a high near 86. East wind around 9 mph.
Thursday Night
Partly cloudy, with a low around 57. East wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Tama IA
 41.9°N 92.63°W
1:56 am CDT May 27, 2026
3am CDT May 27, 2026-6pm CDT Jun 2, 2026
 
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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