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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

47°F

8°C

Humidity 79%
Wind Speed W 15 G 25 mph
Barometer 30.17 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 16 Oct 4:55 am CDT
Extended Forecast for

Tama IA

Freeze Warning October 17, 01:00am until October 17, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: A 30 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 53. Windy, with a north wind 16 to 22 mph, with gusts as high as 36 mph.

    High: 53 °F

    Windy. Chance
    Showers then
    Decreasing
    Clouds

  • Tonight

    Tonight: Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Saturday

    Saturday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 58. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 58 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38. South wind around 7 mph.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65. South wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 53. Windy, with a north wind 16 to 22 mph, with gusts as high as 36 mph.
Tonight
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 30. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Saturday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 58. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Saturday Night
Clear, with a low around 38. South wind around 7 mph.
Sunday
Sunny, with a high near 65. South wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 42.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tama IA
 41.97°N 92.6°W
Last Update:
3:07 am CDT Oct 16, 2026
Forecast Valid:
5am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation