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.

Partly Cloudy

38°F

3°C

Humidity 44%
Wind Speed NW 10 mph
Barometer 30.05 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 13 Mar 7:35 pm CDT
Extended Forecast for

5 Miles NNE New Sharon IA

Winter Storm Watch March 15, 10:00am until March 16, 10:00am
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming light and variable.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 49. Breezy, with an east southeast wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 49 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 42. East southeast wind around 14 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain before 4pm, then snow, possibly mixed with rain. Some thunder is also possible. Temperature rising to near 51 by 9am, then falling to around 37 during the remainder of the day. Windy, with a south southeast wind 15 to 20 mph becoming northwest 26 to 31 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 51 °F⇓

    Windy. Rain
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all snow after 7pm. Widespread blowing snow, mainly after 11pm. Low around 8. Windy, with a north northwest wind 30 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Rain/Snow and
    Blowing Snow
    then Snow
    Likely and
    Blowing Snow

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Patchy blowing snow before 8am. Partly sunny, with a high near 17. Windy.

    High: 17 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. Windy.

    Low: 1 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow before 1am. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Tonight
A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming light and variable.
Saturday
Partly sunny, with a high near 49. Breezy, with an east southeast wind 7 to 17 mph, with gusts as high as 25 mph.
Saturday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 42. East southeast wind around 14 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain before 4pm, then snow, possibly mixed with rain. Some thunder is also possible. Temperature rising to near 51 by 9am, then falling to around 37 during the remainder of the day. Windy, with a south southeast wind 15 to 20 mph becoming northwest 26 to 31 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow, possibly mixed with rain, becoming all snow after 7pm. Widespread blowing snow, mainly after 11pm. Low around 8. Windy, with a north northwest wind 30 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Monday
A 20 percent chance of snow before 1pm. Patchy blowing snow before 8am. Partly sunny, with a high near 17. Windy.
Monday Night
Mostly clear, with a low around 1. Windy.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
A 50 percent chance of snow before 1am. Mostly cloudy, with a low around 21.
Wednesday
Sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE New Sharon IA
 41.53°N 92.61°W
Last Update:
6:22 pm CDT Mar 13, 2026
Forecast Valid:
7pm CDT Mar 13, 2026-6pm CDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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