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

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

60°F

16°C

Humidity 96%
Wind Speed S 7 mph
Barometer 29.94 in
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 15 Oct 12:35 pm CDT
Extended Forecast for

Tama IA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 60. Light and variable wind becoming northwest 6 to 11 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 43. Breezy, with a northwest wind 15 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers between 9am and 10am. Mostly cloudy, with a high near 51. Windy, with a north wind 18 to 23 mph, with gusts as high as 37 mph.

    High: 51 °F

    Windy. Slight
    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Widespread frost, mainly after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 29. North wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 18 mph.

    Low: 29 °F

    Decreasing
    Clouds 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.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Sunday Night

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

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 60. Light and variable wind becoming northwest 6 to 11 mph. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 43. Breezy, with a northwest wind 15 to 17 mph, with gusts as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 20 percent chance of showers between 9am and 10am. Mostly cloudy, with a high near 51. Windy, with a north wind 18 to 23 mph, with gusts as high as 37 mph.
Friday Night
Widespread frost, mainly after 2am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 29. North wind 5 to 10 mph becoming light northwest after midnight. 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.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tama IA
 41.97°N 92.57°W
Last Update:
11:02 am CDT Oct 15, 2026
Forecast Valid:
12pm CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation