National Weather Service

News Headlines

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Light Rain

N/A

Humidity	NA
Wind Speed	E 15 G 21 mph
Barometer	29.75 in
Dewpoint	N/A
Visibility	7.00 mi
Last update	2 Apr 4:15 am CDT

More Information:

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

Extended Forecast for

Grinnell IA

Overnight
Low: 39 °F
Showers
Thursday
High: 66 °F
Showers and
Patchy Fog
Thursday Night
Low: 35 °F
Slight Chance
T-storms and
Windy then
Mostly Cloudy
Friday
High: 62 °F
Chance
Showers then
Showers
Friday Night
Low: 35 °F
Showers
Saturday
High: 46 °F
Mostly Cloudy
and Windy
Saturday Night
Low: 30 °F
Mostly Cloudy
and Windy
then Partly
Cloudy
Sunday
High: 54 °F
Sunny
Sunday Night
Low: 33 °F
Mostly Clear

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Steady temperature around 39. East wind around 15 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog between 8am and 11am. High near 66. Windy, with an east wind 14 to 19 mph becoming southwest 20 to 25 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 35. Windy, with a west wind 17 to 22 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

Friday

A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 62. East wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 35. Southeast wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Mostly cloudy, with a high near 46. Windy.

Saturday Night

Partly cloudy, with a low around 30. Windy.

Sunday

Sunny, with a high near 54.

Sunday Night

Mostly clear, with a low around 33.

Monday

Mostly sunny, with a high near 52.

Monday Night

Partly cloudy, with a low around 27.