Stephenson County COAD

10/16/2026

10/15/2026

New event: Freeze Watch for Jo Daviess County, IL, Carroll County, IL
Sent via Email at 157 pm CDT, Oct 15th 2026
alert map
Radar valid at 159 pm CDT, Oct 15th 2026
alert legend
IAZ040>042-051>054-063>066-076-ILZ001-002-007-160300-
/O.NEW.KDVN.FZ.A.0001.261017T0600Z-261017T1400Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Keokuk-Jo Daviess-Stephenson-Carroll-
Including the cities of Tipton, Manchester, Cedar Rapids, Iowa City,
Dubuque, Mount Carroll, Galena, Maquoketa, Freeport, Sigourney,
Anamosa, Vinton, Clinton, Marengo, and Independence
157 PM CDT Thu Oct 15 2026
..FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY
MORNING...

* WHAT...Sub-freezing temperatures as low as 30 possible.

* WHERE...Portions of northwest Illinois and east central, northeast,
and southeast Iowa.

* WHEN...From late Friday night through Saturday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

09/29/2026

09/19/2026

Flood Watch
Update: Flood Watch issued September 19 at 11:22AM CDT until September 20 at 7:00AM CDT by NWS Quad Cities IA IL

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Areas Affected

Buchanan; Delaware; Dubuque; Linn; Jones; Jackson; Cedar; Clinton; Muscatine; Scott; Jo Daviess; Stephenson; Carroll; Whiteside; Rock Island

Details

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of northwest Illinois, including the following
counties, Carroll, Jo Daviess, Rock Island, Stephenson and
Whiteside and Iowa, including the following counties, Buchanan,
Cedar, Clinton, Delaware, Dubuque, Jackson, Jones, Linn, Muscatine
and Scott.

* WHEN...Through Sunday morning.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Widespread showers and storms are expected to develop late
tonight and last into Saturday. These storms will be capable of
rainfall rates between 1 to 2 inches per hour. Rainfall totals of
1 to 3 inches are likely in the hardest hit areas through
Saturday evening with the potential for localized areas of 3+
inches.
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

09/18/2026

Flood Watch
Update: Flood Watch issued September 18 at 1:56PM CDT until September 19 at 7:00PM CDT by NWS Quad Cities IA IL

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Areas Affected

Buchanan; Delaware; Dubuque; Jackson; Jo Daviess; Stephenson; Carroll

Details

* WHAT...Flooding and flash flooding caused by excessive rainfall is
possible.

* WHERE...Portions of northwest Illinois, including the following
counties, Carroll, Jo Daviess and Stephenson and Iowa, including
the following counties, Buchanan, Delaware, Dubuque and Jackson.

* WHEN...From 1 AM CDT Saturday through Saturday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Rounds of showers and storms are expected from late tonight
through Saturday. These storms will be capable of rainfall rates
between 1 to 2 inches per hour. Rainfall totals of 1 to 3 inches
are likely in the hardest hit areas through Saturday evening with
the potential for localized areas of 3+ inches.
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

09/18/2026

Flood Watch
Update: Flood Watch issued September 18 at 10:45AM CDT until September 19 at 7:00PM CDT by NWS Quad Cities IA IL

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Areas Affected

Dubuque; Jackson; Jo Daviess; Stephenson; Carroll

Details

* WHAT...Flooding and flash flooding caused by excessive rainfall are
possible.

* WHERE...Portions of northwest Illinois, including the following
counties, Carroll, Jo Daviess and Stephenson and Iowa, including
the following counties, Dubuque and Jackson.

* WHEN...From late tonight through Saturday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
- Widespread showers and storms are expected to develop late
tonight and last into Saturday. These storms will be capable of
rainfall rates between 1 to 2 inches per hour. Rainfall totals of
1 to 3 inches are likely in the hardest hit areas through
Saturday evening with the potential for localized areas of 3+
inches.
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

09/04/2026

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
234 PM CDT Fri Sep 4 2026

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
DAY ONE...THIS AFTERNOON AND TONIGHT

An isolated strong storms is possible north of Highway 20 this
afternoon and evening. Lightning and brief downpours are the
primary risks.
DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Dangerous heat continues Saturday, with afternoon peak heat
indices in the 100 to 110 degree range. Isolated storms are
possible Saturday afternoon and evening, with the primary risks
lightning and brief downpours.

Heat and humidity will surge back into the area Tuesday and
Wednesday with heat indices approaching 100.
SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.