Grafton, IL

5:07 AM CDT on April 23, 2017 (GMT -0500)
Polestar Boating Center | | Change Station
Active Advisory: Flood Warning

Elev 449 ft 38.93 °N, 90.47 °W | Updated 8 seconds ago

Clear
Clear
48.2 °F
Feels Like 46 °F
N
5.0
Wind Variable Wind from NE
Gusts 13.0 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 30.09 in
Visibility 10.0 miles
Clouds Clear
Windchill 46 °F
Dew Point 33 °F
Humidity 56%
Rainfall 0.00 in
Snow Depth Not available.
6:13 AM 7:46 PM
Waning Crescent, 13% visible
METAR KSET 230954Z AUTO 03010KT 10SM CLR 08/M01 A3009 RMK AO2 SLP187 T00781011
Pressure 30.09 in
Visibility 10.0 miles
Clouds Clear
Windchill 46 °F
Dew Point 33 °F
Humidity 56%
Rainfall 0.00 in
Snow Depth Not available.
6:13 AM 7:46 PM
Waning Crescent, 13% visible
METAR KSET 230954Z AUTO 03010KT 10SM CLR 08/M01 A3009 RMK AO2 SLP187 T00781011

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10-Day Weather Forecast

Almanac

Astronomy

Apr. 23, 2017 Rise Set
Actual Time
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Nautical Twilight
Astronomical Twilight
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Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

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Not available.

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City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

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Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Flood Warning
Issued: 8:46 PM CDT Apr. 22, 2017 – National Weather Service

The Flood Warning continues for
the Mississippi River at Grafton
* until Saturday April 29.
* At 8:30 PM Saturday the stage was 18.1 feet.
* Flood stage is 18.0 feet.
* Minor flooding is forecast.
* The river is forecast to crest near 18.2 feet by tomorrow evening,
then fall below flood stage Friday evening.
* Impact: at 18.0 feet... flood stage. Right bank begins to
overflow... flooding farmland.
* Impact: at 16.2 feet... for navigational purposes through Alton lock
and dam control, the corps will not allow the river to exceed this
level, if at all possible. Above this level, water inundates land
not owned by the usace.

                   Fld latest 7 a.M. Forecast
location stg obs stg 04/23 04/24 04/25 04/26 04/27

Mississippi River
Grafton 18.0 18.08 18.2 18.2 18.1 18.0 18.0




Lat... Lon 3881 9057 3888 9057 3899 9046 3895 9028
      3882 9048






820 PM CDT Sat Apr 22 2017

The Flood Warning continues for
the Illinois River at Hardin
* until Sunday April 30.
* At 8:00 PM Saturday the stage was 25.5 feet.
* Flood stage is 25.0 feet.
* Minor flooding is forecast.
* The river is forecast to continue falling to below flood stage by
Saturday morning.
* Impact: at 25.0 feet... flood stage. Lowland flooding of
unprotected agricultural land begins.
* Impact: at 18.2 feet... at and below this height, barge traffic will
need to consider lowering tonnage to avoid grounding.

                   Fld latest 7 a.M. Forecast
location stg obs stg 04/23 04/24 04/25 04/26 04/27

Illinois River
Hardin 25.0 25.50 25.4 25.3 25.2 25.1 25.0




Lat... Lon 3952 9064 3952 9052 3898 9048 3891 9054
      3903 9062