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

Areas of Severe Thunderstorms and Excessive Rainfall Through This Weekend

Severe thunderstorms which can bring large hail, damaging winds, and isolated tornadoes will be possible over parts of the central U.S. through this weekend. Thunderstorms with heavy to excessive rainfall moving from Texas into the mid-Mississippi Valley through this weekend may produce areas of flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Partly Cloudy

71°F

22°C

Humidity 87%
Wind Speed S 6 mph
Barometer 29.89 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 7 Jun 1:35 am CDT
Extended Forecast for

Tama IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. South wind 3 to 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 83. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 66. East southeast wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms
    Likely then
    Showers
    Likely

  • Monday

    Monday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 84. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Windy.

    High: 94 °F

    Sunny and
    Breezy then
    Slight Chance
    T-storms and
    Windy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 66. Windy. Chance of precipitation is 70%.

    Low: 66 °F

    T-storms
    Likely and
    Windy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. South wind 3 to 5 mph.
Sunday
Showers and thunderstorms likely, mainly after 5pm. Mostly cloudy, with a high near 83. Light south southeast wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 66. East southeast wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 84. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Partly cloudy, with a low around 65. Light and variable wind.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Windy.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Partly cloudy, with a low around 66. Windy. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Breezy.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 84.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 60.
Saturday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tama IA
 41.97°N 92.57°W
Last Update:
1:31 am CDT Jun 7, 2026
Forecast Valid:
2am CDT Jun 7, 2026-6pm CDT Jun 13, 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