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

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Overcast

47°F

8°C

Humidity 69%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 4 Mar 2:15 pm CST
Extended Forecast for

Brooklyn IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 49. East wind around 6 mph.

    High: 49 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain or sprinkles before 2am, then a chance of rain, mainly between 2am and 5am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 40. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: A chance of sprinkles before 10am. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 59. Calm wind becoming east around 5 mph in the afternoon.

    High: 59 °F

    Areas Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm after midnight. Low around 44. Southeast wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Partly Cloudy
    then Rain

  • Friday

    Friday: Rain and possibly a thunderstorm. High near 70. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Rain then
    Rain Likely
    and Breezy

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 35. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 32.

    Low: 32 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy.

    High: 61 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 49. East wind around 6 mph.
Tonight
A chance of rain or sprinkles before 2am, then a chance of rain, mainly between 2am and 5am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 40. East wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of sprinkles before 10am. Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 59. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Rain and possibly a thunderstorm after midnight. Low around 44. Southeast wind 5 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain and possibly a thunderstorm. High near 70. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain and possibly a thunderstorm before midnight, then a chance of rain. Low around 35. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Clear, with a low around 32.
Sunday
Sunny, with a high near 61. Breezy.
Sunday Night
Clear, with a low around 43.
Monday
Sunny, with a high near 70.
Monday Night
A 30 percent chance of rain. Mostly clear, with a low around 46.
Tuesday
Rain likely. Partly sunny, with a high near 60. Breezy. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brooklyn IA
 41.73°N 92.46°W
Last Update:
1:43 pm CST Mar 4, 2026
Forecast Valid:
2pm CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation