Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Light Rain and Breezy

63°F

17°C

Humidity	98%
Wind Speed	SE 22 G 26 mph
Barometer	29.76 in
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	19 May 1:15 am CDT

More Information:

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

Extended Forecast for

Grinnell Regional Airport IA

Overnight
Low: 55 °F
Heavy Rain
Tuesday
High: 62 °F
Breezy.
Slight Chance
Showers then
Mostly Cloudy
Tuesday Night
Low: 43 °F
Decreasing
Clouds
Wednesday
High: 62 °F
Increasing
Clouds
Wednesday Night
Low: 44 °F
Mostly Cloudy
Thursday
High: 64 °F
Partly Sunny
then Slight
Chance
Showers
Thursday Night
Low: 47 °F
Chance
Showers then
Showers
Likely
Friday
High: 65 °F
Showers
Likely
Friday Night
Low: 49 °F
Chance
Showers

Detailed Forecast

Overnight

A 40 percent chance of showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 55. Southwest wind around 15 mph, with gusts as high as 22 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 20 percent chance of showers before 8am. Mostly cloudy, with a high near 62. Breezy, with a northwest wind around 18 mph, with gusts as high as 24 mph.

Tuesday Night

Mostly cloudy, then gradually becoming clear, with a low around 43. North northwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

Wednesday

Increasing clouds, with a high near 62. Light north wind becoming northeast 5 to 10 mph.

Wednesday Night

Mostly cloudy, with a low around 44. Calm wind.

Thursday

A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 64.

Thursday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

Friday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

Friday Night

A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 49.

Saturday

Partly sunny, with a high near 74.

Saturday Night

Partly cloudy, with a low around 53.

Sunday

Mostly sunny, with a high near 81.

Sunday Night

Partly cloudy, with a low around 58.

Memorial Day

Mostly sunny, with a high near 85.