Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fog/Mist

59°F

15°C

Humidity	95%
Wind Speed	E 10 mph
Barometer	30.14 in
Dewpoint	58°F (14°C)
Visibility	5.00 mi
Last update	21 Sep 1:35 pm CDT

More Information:

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

Extended Forecast for

Brooklyn IA

This Afternoon
High: 60 °F
Showers
Likely and
Patchy Fog
Tonight
Low: 51 °F
Showers and
Patchy Fog
then Chance
Showers and
Patchy Fog
Tuesday
High: 60 °F
Chance
Showers and
Patchy Fog
then Mostly
Cloudy
Tuesday Night
Low: 46 °F
Partly Cloudy
Wednesday
High: 65 °F
Mostly Sunny
Wednesday Night
Low: 50 °F
Partly Cloudy
Thursday
High: 64 °F
Mostly Cloudy
Thursday Night
Low: 53 °F
Mostly Cloudy
then Slight
Chance
Showers
Friday
High: 65 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Showers likely, mainly after 5pm. Patchy fog. Otherwise, cloudy, with a high near 60. East northeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

Showers and thunderstorms before 1am, then a chance of drizzle between 1am and 2am, then a chance of showers after 2am. Patchy fog. Low around 51. East northeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 30 percent chance of showers, mainly before 9am. Patchy fog before noon. Otherwise, cloudy, with a high near 60. East northeast wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

Partly cloudy, with a low around 46. Northeast wind 3 to 5 mph.

Wednesday

Mostly sunny, with a high near 65. East wind 3 to 5 mph.

Wednesday Night

Partly cloudy, with a low around 50.

Thursday

Mostly cloudy, with a high near 64.

Thursday Night

A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 53.

Friday

Mostly cloudy, with a high near 65.