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Storm system to bring heavy rainfall and the potential for flash flooding over the southern Mid Atlantic and Southeast U.S.

A slow moving low pressure system will bring the threat for heavy rainfall, flash flooding, and a few strong to severe thunderstorms into Tuesday. The main threat areas include the southern Mid Atlantic and Southeast U.S. Excessive runoff may lead to flooding of low lying areas, rivers, and streams. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

46°F

8°C

Humidity 59%
Wind Speed S 8 mph
Barometer 29.93 in
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Wind Chill42°F (6°C)
Last update 24 Apr 4:55 am CDT
Extended Forecast for

Grinnell IA

  • Today

    Today: Mostly sunny, with a high near 71. Windy, with a south southeast wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.

    Mostly Sunny
    and Windy

    High: 71 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Breezy, with a south southeast wind 9 to 17 mph, with gusts as high as 26 mph.

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

    Low: 51 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers after 10am.  Mostly cloudy, with a high near 70. Southeast wind 8 to 15 mph, with gusts as high as 22 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 70 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Cloudy, with a low around 48. Southeast wind 8 to 11 mph becoming west northwest after midnight.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    Low: 48 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers.  Cloudy, with a high near 53. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 22 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    Chance
    Showers and
    Breezy

    High: 53 °F

  • Wednesday
    Night

    Wednesday Night: A chance of rain showers before 5am, then a slight chance of rain and snow showers.  Mostly cloudy, with a low around 36. Breezy.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers and
    Breezy then
    Chance
    Rain/Snow

    Low: 36 °F

  • Thursday

    Thursday: A slight chance of rain and snow showers before 8am, then a slight chance of rain showers between 8am and 1pm.  Partly sunny, with a high near 52. Breezy.  Chance of precipitation is 20%.

    Breezy.
    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

    High: 52 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers after 1am.  Mostly cloudy, with a low around 40.

    Mostly Cloudy
    then Chance
    Showers

    Low: 40 °F

  • Friday

    Friday: A 50 percent chance of showers.  Mostly cloudy, with a high near 59.

    Chance
    Showers

    High: 59 °F

Detailed Forecast

Today
Mostly sunny, with a high near 71. Windy, with a south southeast wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Partly cloudy, with a low around 51. Breezy, with a south southeast wind 9 to 17 mph, with gusts as high as 26 mph.
Tuesday
A 30 percent chance of showers after 10am. Mostly cloudy, with a high near 70. Southeast wind 8 to 15 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 48. Southeast wind 8 to 11 mph becoming west northwest after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers. Cloudy, with a high near 53. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 22 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain showers before 5am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of rain and snow showers before 8am, then a slight chance of rain showers between 8am and 1pm. Partly sunny, with a high near 52. Breezy. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 40.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 59.
Friday Night
A 50 percent chance of showers. Cloudy, with a low around 44.
Saturday
Showers likely. Cloudy, with a high near 56. Breezy. Chance of precipitation is 70%.
Saturday Night
Showers. Low around 45. Breezy. Chance of precipitation is 80%.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 60. Breezy.
Click Map For Forecast
Point Forecast:
Grinnell IA
 41.75°N 92.72°W
3:48 am CDT Apr 24, 2017
4am CDT Apr 24, 2017-6pm CDT Apr 30, 2017
 
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