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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Light Drizzle

44°F

7°C

Humidity	95%
Wind Speed	Calm
Barometer	29.70 in
Dewpoint	43°F (6°C)
Visibility	0.25 mi
Last update	27 Dec 9:35 pm CST

More Information:

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

Extended Forecast for

Tama IA

Wind Advisory December 28, 09:00am until December 29, 06:00am

Dense Fog Advisory December 27, 09:39pm until December 28, 09:00am

Click here for hazard details and duration

Wind Advisory

Dense Fog Advisory

Dense Fog Advisory December 27, 09:39pm until December 28, 09:00am
NOW until 9:00am Sun
Dense Fog Advisory
Tonight
Low: 40 °F
Dense Fog
then Slight
Chance Rain
and Dense Fog
Sunday
High: 42 °F⇓
Wintry Mix
and Patchy
Blowing Snow
Sunday Night
Low: 8 °F
Chance Snow
and Patchy
Blowing Snow
Monday
High: 15 °F
Decreasing
Clouds and
Windy
Monday Night
Low: 5 °F
Mostly Clear
Tuesday
High: 29 °F
Mostly Sunny
Tuesday Night
Low: 20 °F
Partly Cloudy
Wednesday
High: 30 °F
Mostly Cloudy

Detailed Forecast

Tonight

A 20 percent chance of rain after 5am. Widespread dense fog, mainly before 3am. Otherwise, mostly cloudy, with a low around 40. Southeast wind around 5 mph becoming calm in the evening.

Sunday

Rain, possibly mixed with snow and sleet before 1pm, then snow, possibly mixed with sleet between 1pm and 2pm, then snow after 2pm. Patchy blowing snow after 1pm. Areas of dense fog before 1pm. Temperature rising to near 42 by 8am, then falling to around 20 during the remainder of the day. Wind chill values as low as zero. Windy, with a light north wind becoming northwest 24 to 29 mph in the morning. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow and sleet accumulation of less than one inch possible.

Sunday Night

A 50 percent chance of snow. Patchy blowing snow after 11pm. Mostly cloudy, with a low around 8. Wind chill values as low as -15. Windy, with a west northwest wind 28 to 30 mph, with gusts as high as 46 mph. New snow accumulation of less than a half inch possible.

Monday

Mostly cloudy, then gradually becoming sunny, with a high near 15. Wind chill values as low as -15. Windy, with a northwest wind 16 to 26 mph, with gusts as high as 43 mph.

Monday Night

Mostly clear, with a low around 5. Northwest wind 6 to 14 mph, with gusts as high as 24 mph.

Tuesday

Mostly sunny, with a high near 29.

Tuesday Night

Partly cloudy, with a low around 20.

Wednesday

Mostly cloudy, with a high near 30.

Wednesday Night

Mostly cloudy, with a low around 10.

New Year's Day

Mostly sunny, with a high near 20.