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Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fog/Mist

43°F

6°C

Humidity	94%
Wind Speed	SE 16 mph
Barometer	29.71 in
Dewpoint	42°F (6°C)
Visibility	4.00 mi
Wind Chill	35°F (2°C)
Last update	27 Dec 1:55 pm CST

More Information:

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

Extended Forecast for

Sully IA

Dense Fog Advisory December 27, 02:11pm until December 28, 12:00pm

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory December 27, 02:11pm until December 28, 12:00pm
NOW until 12:00pm Sun
Dense Fog Advisory
This Afternoon
High: 51 °F
Patchy Fog
Tonight
Low: 43 °F
Chance Rain
and Dense Fog
Sunday
High: 44 °F⇓
Rain and
Areas Fog
then Wintry
Mix and
Patchy
Blowing Snow
Sunday Night
Low: 10 °F
Windy. Chance
Snow then
Mostly Cloudy
Monday
High: 18 °F
Partly Sunny
and Windy
Monday Night
Low: 10 °F
Mostly Clear
and Blustery
then Mostly
Clear
Tuesday
High: 33 °F
Mostly Sunny
Tuesday Night
Low: 22 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Patchy fog after 3pm. Otherwise, mostly cloudy, with a high near 51. Southeast wind 7 to 10 mph, with gusts as high as 21 mph.

Tonight

A slight chance of rain before 11pm, then a chance of rain after 5am. Widespread dense fog, mainly between 9pm and 10pm. Otherwise, cloudy, with a low around 43. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

Sunday

Rain, possibly mixed with snow and sleet before 1pm, then snow and sleet, possibly mixed with rain and freezing rain between 1pm and 3pm, then snow after 3pm. Patchy blowing snow after 3pm. Areas of fog before 1pm. Temperature falling to around 21 by 5pm. Wind chill values as low as 5. Windy, with a light north northwest wind becoming northwest 24 to 29 mph in the morning. Winds could gust as high as 43 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

Sunday Night

A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 10. Wind chill values as low as -10. Windy, with a west northwest wind 26 to 28 mph, with gusts as high as 44 mph. New snow accumulation of less than a half inch possible.

Monday

Partly sunny, with a high near 18. Windy, with a northwest wind 18 to 28 mph, with gusts as high as 39 mph.

Monday Night

Mostly clear, with a low around 10. Blustery.

Tuesday

Mostly sunny, with a high near 33.

Tuesday Night

Mostly cloudy, with a low around 22.

Wednesday

Mostly cloudy, with a high near 33.

Wednesday Night

Mostly cloudy, with a low around 9.