Lexington Weather

Lexington, Massachusetts, USA

58°F

4/18/2026 2:09pm

Lexington Conditions: Mostly cloudy
Temperature: 57.7°F / 14.3°C
Dew Point: 47.7°F
Relative Humidity: 69%
Wind: Calm, 10-min avg: Calm, gust: 7 mph
Barometer: 30.06 in Steady
Visibility: 10 miles
Rain Today: 0.00 in

Watches, Warnings, and Advisories

Issued by the National Weather Service - Milwaukee/Sullivan, WI

FLOOD WARNING

Jefferson County, WI

Flood Warning issued April 18 at 10:06AM CDT by NWS Milwaukee/Sullivan WI

FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE

Areas Affected: Jefferson, WI

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Saturday 10:06am CDT

Alert Effective: Saturday 10:06am CDT

Alert Expires: Saturday 10:15pm CDT

Event Onset: Saturday 10:06am CDT

Issued by: NWS Milwaukee/Sullivan WI

Details:

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

...The Flood Warning is extended for the following rivers in
Wisconsin...

Baraboo River Near Baraboo affecting Sauk and Columbia Counties.

Pecatonica River At Martintown affecting Green County.

Wisconsin River At Portage affecting Columbia County.

...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...

Root River At Racine affecting Racine County.

Sheboygan River At Sheboygan affecting Sheboygan County.

Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.

Rock River At Fort Atkinson affecting Jefferson County.

Rock River At Afton affecting Rock and Winnebago Counties.

Rock River At Jefferson affecting Jefferson County.

Rock River At Watertown affecting Jefferson County.

ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.

Fox River Near Berlin affecting Green Lake County.

Crawfish River At Milford affecting Jefferson County.

Fox River Lower At Waukesha affecting Waukesha County.

Fox River Lower Near New Munster affecting Lake and Kenosha
Counties.

Milwaukee River Near Cedarburg affecting Ozaukee County.

Root River Canal At Raymond affecting Racine County.

...Observed flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Illinois...
Wisconsin...

Sugar River At Brodhead affecting Rock, Winnebago and Green
Counties.

* WHAT...Moderate flooding is occurring and moderate flooding is
forecast.

* WHERE...Rock River at Jefferson.

* WHEN...Until further notice.

* IMPACTS...At 12.0 feet, Riverview Drive is closed due to
floodwaters on the road. The Tensfeldt Park boat launch is closed.
Intersection of S Main St and E Dane St is closed, and S Center
Ave. Floodwaters affect highway K between Jefferson and Fort
Atkinson. River's Edge Park flooded.

* ADDITIONAL DETAILS...
- At 9:00 AM CDT Saturday the stage was 11.1 feet.
- Bankfull stage is 8.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:00 AM CDT Saturday was 11.2 feet.
- Forecast...The river is expected to rise to a crest of 12.8
feet Thursday morning.
- Flood stage is 10.0 feet.
- Flood History...This crest compares to a previous crest of
12.8 feet on 04/02/1979.
- http://www.weather.gov/safety/flood

Information:

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 1015 PM CDT.

Meta data:

ID: urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.012.1
Codes: WIC055
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.012.1

FLOOD WARNING

Jefferson County, WI

Flood Warning issued April 18 at 10:06AM CDT by NWS Milwaukee/Sullivan WI

FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE

Areas Affected: Jefferson, WI

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Saturday 10:06am CDT

Alert Effective: Saturday 10:06am CDT

Alert Expires: Saturday 10:15pm CDT

Event Onset: Saturday 10:06am CDT

Issued by: NWS Milwaukee/Sullivan WI

Details:

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

...The Flood Warning is extended for the following rivers in
Wisconsin...

Baraboo River Near Baraboo affecting Sauk and Columbia Counties.

Pecatonica River At Martintown affecting Green County.

Wisconsin River At Portage affecting Columbia County.

...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...

Root River At Racine affecting Racine County.

Sheboygan River At Sheboygan affecting Sheboygan County.

Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.

Rock River At Fort Atkinson affecting Jefferson County.

Rock River At Afton affecting Rock and Winnebago Counties.

Rock River At Jefferson affecting Jefferson County.

Rock River At Watertown affecting Jefferson County.

ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.

Fox River Near Berlin affecting Green Lake County.

Crawfish River At Milford affecting Jefferson County.

Fox River Lower At Waukesha affecting Waukesha County.

Fox River Lower Near New Munster affecting Lake and Kenosha
Counties.

Milwaukee River Near Cedarburg affecting Ozaukee County.

Root River Canal At Raymond affecting Racine County.

...Observed flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Illinois...
Wisconsin...

Sugar River At Brodhead affecting Rock, Winnebago and Green
Counties.

* WHAT...Minor flooding is occurring and moderate flooding is
forecast.

* WHERE...Rock River at Fort Atkinson.

* WHEN...Until further notice.

* IMPACTS...At 17.5 feet, Floodwaters partially cover low spots on
Highway 106 near Rock River Park. A riverside walkway near South
Water Street in downtown Fort Atkinson is closed. A few homes and
businesses are surrounded by water at the end of Vets lane near
the intersection of Highway 106 and Blackhawk Island Road about 1
mile southwest of Fort Atkinson. North Shore Road about 1 mile
southwest of Fort Atkinson is closed. Ralph Rd impacted.
Floodwaters cover fields on the east side of Fort Atkinson.

* ADDITIONAL DETAILS...
- At 9:00 AM CDT Saturday the stage was 16.7 feet.
- Bankfull stage is 14.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:00 AM CDT Saturday was 16.7 feet.
- Forecast...The river is expected to rise to a crest of 17.6
feet early Monday morning.
- Flood stage is 16.0 feet.
- Flood History...This crest compares to a previous crest of
17.4 feet on 09/11/2018.
- http://www.weather.gov/safety/flood

Information:

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 1015 PM CDT.

Meta data:

ID: urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.008.1
Codes: WIC055
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.008.1

FLOOD WARNING

Jefferson County, WI

Flood Warning issued April 18 at 10:06AM CDT by NWS Milwaukee/Sullivan WI

FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE

Areas Affected: Jefferson, WI

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Saturday 10:06am CDT

Alert Effective: Saturday 10:06am CDT

Alert Expires: Saturday 10:15pm CDT

Event Onset: Saturday 10:06am CDT

Issued by: NWS Milwaukee/Sullivan WI

Details:

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

...The Flood Warning is extended for the following rivers in
Wisconsin...

Baraboo River Near Baraboo affecting Sauk and Columbia Counties.

Pecatonica River At Martintown affecting Green County.

Wisconsin River At Portage affecting Columbia County.

...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...

Root River At Racine affecting Racine County.

Sheboygan River At Sheboygan affecting Sheboygan County.

Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.

Rock River At Fort Atkinson affecting Jefferson County.

Rock River At Afton affecting Rock and Winnebago Counties.

Rock River At Jefferson affecting Jefferson County.

Rock River At Watertown affecting Jefferson County.

ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.

Fox River Near Berlin affecting Green Lake County.

Crawfish River At Milford affecting Jefferson County.

Fox River Lower At Waukesha affecting Waukesha County.

Fox River Lower Near New Munster affecting Lake and Kenosha
Counties.

Milwaukee River Near Cedarburg affecting Ozaukee County.

Root River Canal At Raymond affecting Racine County.

...Observed flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Illinois...
Wisconsin...

Sugar River At Brodhead affecting Rock, Winnebago and Green
Counties.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Crawfish River at Milford.

* WHEN...Until further notice.

* IMPACTS...At 9.0 feet, Water approaches some homes in Milford.
There is widespread flooding of roads in Riverbend Campground,
about 5 miles upstream of Milford.

* ADDITIONAL DETAILS...
- At 9:00 AM CDT Saturday the stage was 7.7 feet.
- Bankfull stage is 5.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:00 AM CDT Saturday was 7.7 feet.
- Forecast...The river is expected to rise to a crest of 8.8
feet early Tuesday afternoon.
- Flood stage is 7.0 feet.
- Flood History...This crest compares to a previous crest of
8.8 feet on 10/04/1986.
- http://www.weather.gov/safety/flood

Information:

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 1015 PM CDT.

Meta data:

ID: urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.009.1
Codes: WIC055
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.009.1

FLOOD WARNING

Jefferson County, WI

Flood Warning issued April 18 at 10:06AM CDT by NWS Milwaukee/Sullivan WI

FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE

Areas Affected: Jefferson, WI; Rock, WI

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Saturday 10:06am CDT

Alert Effective: Saturday 10:06am CDT

Alert Expires: Saturday 10:15pm CDT

Event Onset: Saturday 10:06am CDT

Issued by: NWS Milwaukee/Sullivan WI

Details:

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

...The Flood Warning is extended for the following rivers in
Wisconsin...

Baraboo River Near Baraboo affecting Sauk and Columbia Counties.

Pecatonica River At Martintown affecting Green County.

Wisconsin River At Portage affecting Columbia County.

...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...

Root River At Racine affecting Racine County.

Sheboygan River At Sheboygan affecting Sheboygan County.

Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.

Rock River At Fort Atkinson affecting Jefferson County.

Rock River At Afton affecting Rock and Winnebago Counties.

Rock River At Jefferson affecting Jefferson County.

Rock River At Watertown affecting Jefferson County.

ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.

Fox River Near Berlin affecting Green Lake County.

Crawfish River At Milford affecting Jefferson County.

Fox River Lower At Waukesha affecting Waukesha County.

Fox River Lower Near New Munster affecting Lake and Kenosha
Counties.

Milwaukee River Near Cedarburg affecting Ozaukee County.

Root River Canal At Raymond affecting Racine County.

...Observed flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Illinois...
Wisconsin...

Sugar River At Brodhead affecting Rock, Winnebago and Green
Counties.

* WHAT...Major flooding is forecast.

* WHERE...Rock River near Lake Koshkonong.

* WHEN...Until further notice.

* IMPACTS...At 11.3 feet, There is knee-deep water over Blackhawk
Island Road. Lamp Road on west side of river also becomes flooded.
Lake Koshkonong merges with Mud Lake to the east of Lake
Koshkonong.

* ADDITIONAL DETAILS...
- At 8:00 AM CDT Saturday the stage was 10.0 feet.
- Bankfull stage is 9.0 feet.
- Forecast...The river is expected to rise to 12.2 feet
Thursday morning. Additional rises are possible thereafter.
- Flood stage is 10.0 feet.
- Flood History...This crest compares to a previous crest of
12.2 feet on 04/25/1993.
- http://www.weather.gov/safety/flood

Information:

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 1015 PM CDT.

Meta data:

ID: urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.007.1
Codes: WIC055, WIC105
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.007.1

FLOOD WARNING

Jefferson County, WI

Flood Warning issued April 18 at 10:06AM CDT by NWS Milwaukee/Sullivan WI

FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE

Areas Affected: Jefferson, WI

Urgency: Immediate

Severity: Severe

Certainty: Observed

Alert Sent: Saturday 10:06am CDT

Alert Effective: Saturday 10:06am CDT

Alert Expires: Saturday 10:15pm CDT

Event Onset: Saturday 10:06am CDT

Issued by: NWS Milwaukee/Sullivan WI

Details:

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

...The Flood Warning is extended for the following rivers in
Wisconsin...

Baraboo River Near Baraboo affecting Sauk and Columbia Counties.

Pecatonica River At Martintown affecting Green County.

Wisconsin River At Portage affecting Columbia County.

...The Flood Warning continues for the following rivers in
Wisconsin...Illinois...

Root River At Racine affecting Racine County.

Sheboygan River At Sheboygan affecting Sheboygan County.

Rock River Near Lake Koshkonong affecting Rock and Jefferson
Counties.

Rock River At Fort Atkinson affecting Jefferson County.

Rock River At Afton affecting Rock and Winnebago Counties.

Rock River At Jefferson affecting Jefferson County.

Rock River At Watertown affecting Jefferson County.

ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County.

Fox River Near Berlin affecting Green Lake County.

Crawfish River At Milford affecting Jefferson County.

Fox River Lower At Waukesha affecting Waukesha County.

Fox River Lower Near New Munster affecting Lake and Kenosha
Counties.

Milwaukee River Near Cedarburg affecting Ozaukee County.

Root River Canal At Raymond affecting Racine County.

...Observed flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Illinois...
Wisconsin...

Sugar River At Brodhead affecting Rock, Winnebago and Green
Counties.

* WHAT...Minor flooding is occurring and major flooding is forecast.

* WHERE...Rock River at Watertown.

* WHEN...Until further notice.

* IMPACTS...At 6.5 feet, Floodwaters affect some streets in
Watertown. Water is in Riverside Park. About 6 miles upstream near
Ixonia, Wayside park along Highway 16 and Kanow Park is flooded.
Rock River Road near Highway 16 is flooded.

* ADDITIONAL DETAILS...
- At 9:00 AM CDT Saturday the stage was 5.6 feet.
- Bankfull stage is 4.0 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 9:00 AM CDT Saturday was 5.6 feet.
- Forecast...The river is expected to rise to 6.5 feet Thursday
morning. Additional rises are possible thereafter.
- Flood stage is 5.5 feet.
- Flood History...This crest compares to a previous crest of
6.3 feet on 04/04/1959.
- http://www.weather.gov/safety/flood

Information:

Motorists should not attempt to drive around barricades or drive
cars through flooded areas.

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Even 6 inches of fast-moving flood water can knock you off your feet
and a depth of 2 feet will float your car. Never try to walk, swim,
or drive through such swift water. If you come upon flood waters,
stop, turn around and go another way.

Additional information is available at www.weather.gov.

The next statement will be issued this evening at 1015 PM CDT.

Meta data:

ID: urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.015.1
Codes: WIC055
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f4cf7e127c5d95179bfb51642372799cbb396742.015.1