National Weather Service

News Headlines

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

49°F

9°C

Humidity	66%
Wind Speed	Calm
Barometer	29.85 in
Dewpoint	38°F (3°C)
Visibility	10.00 mi
Last update	30 Mar 4:15 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles WSW Chelsea IA

Today
High: 83 °F
Increasing
Clouds
Tonight
Low: 60 °F
Chance
T-storms
Tuesday
High: 69 °F⇓
Chance
Showers and
Breezy
Tuesday Night
Low: 35 °F
Slight Chance
Showers and
Breezy
Wednesday
High: 46 °F
Chance
Showers then
Showers
Likely and
Breezy
Wednesday Night
Low: 33 °F
Showers and
Breezy then
Rain/Snow
Thursday
High: 51 °F
Showers
Thursday Night
Low: 33 °F
Chance Rain
Friday
High: 57 °F
Mostly Cloudy
then Chance
Rain

Detailed Forecast

Today

Increasing clouds, with a high near 83. Southeast wind 5 to 15 mph becoming south southwest in the morning. Winds could gust as high as 21 mph.

Tonight

A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 60. South southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 4pm, then a chance of showers after 4pm. Partly sunny, with a temperature rising to near 69 by 10am, then falling to around 60 during the remainder of the day. Breezy, with a south southwest wind 13 to 18 mph becoming north in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 35. Breezy, with a north wind 11 to 17 mph, with gusts as high as 26 mph.

Wednesday

Showers likely, mainly after 1pm. Mostly cloudy, with a high near 46. Breezy, with an east northeast wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain showers before 1am, then rain and snow showers between 1am and 4am, then rain showers after 4am. Low around 33. Breezy. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thursday

Showers. High near 51. Chance of precipitation is 90%.

Thursday Night

A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 33.

Friday

A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 57.

Friday Night

Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

Saturday

A 50 percent chance of rain. Mostly cloudy, with a high near 51. Windy.

Saturday Night

Mostly cloudy, with a low around 30. Blustery.