Essentials:

Regional Satellite and Radar...

-with Watches and Warnings
-with Lightning Detection

Helpful Information:

Weather Safety:

Protocols:

COD Severe Weather Protocols

Storm Ready®: Status Message

...loading current StormReady® status...

Current Conditions

College of DuPage SkyCam

Current Local Radar

Temperature
40°F
Feels Like:
40°F
Dew Point	Humidity
36°F	84%

Cloudy

Cloudy

Wind Strength
Light	Moderate	Strong
South-southwest at 8 mph

Detailed Text Forecast

Due to staffing issues, forecast information from the COD Meteorology Department will be unavailable until Fall 2021.

For detailed forecast information: See National Weather Service Forecast .

COD Weather Statistics

COD Weather Station Statistics

Time of Observation: 12/01/21 - 8:52:20 am
Latitude: 41.89°N
Longitude: -88.15°W
Elevation: 747.63 ft
Sunrise: 7:01am
Sunset: 4:21pm

Current Weather Conditions

Currently: Cloudy
Visibility: 9.33SM
Present Weather:
Cloud Cover: Cloudy

Temperature and Pressure

Air Temperature: 40.48°F
Dewpoint Temperature: 36.15°F
Wet-Bulb Temperature: 39.04°F
Humidity: 84.42%
Wind Chill:
Heat Index:
Pressure: 1013.89mb

Precipitation and Wind

Current Precipitation: N/A
Measured Liquid Precipitation: 0.00 Inches
Current Wind: From the SSW at 8.05mph
Recent Peak Wind Gust: 9.86mph at 8:51am

Recent Station Records

Highest Temperature (Today): 40.53°F
Lowest Temperature (Today): 37.39°F

Highest Relative Humidity (Today): 84.42%
Lowest Relative Humidity (Today): 56.56%

Highest Pressure (Today): 1017.27mb
Lowest Pressure (Today): 1013.55mb

Measured Liquid Precip (Today): 0.00 Inches
Measured Liquid Precip (Month): 0.00 Inches
Measured Liquid Precip (Year): 8.09 Inches

Peak Wind Gust (Today): 11.61mph at 8:48am

SPC Convective Outlook Day 2

See Product Description

235
ACUS02 KWNS 010510
SWODY2
SPC AC 010509

Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1109 PM CST Tue Nov 30 2021

Valid 021200Z - 031200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
A couple of weak thunderstorms are possible near the Rio Grande
River and higher terrain of southwest Texas, but the risk of
thunderstorms appears negligible elsewhere across the U.S. Thursday
through Thursday night.

...Discussion...
Although a significant digging short wave impulse may suppress
mid-level ridging across parts of the Canadian Prairies, models
indicate that a strong, broadly anticyclonic belt of flow will
persist in mid to upper levels, from the eastern mid-latitude
Pacific across much of the northern tier of the U.S. through this
period. The leading edge of this jet is forecast to dig southeast
of the Mid Atlantic coast, into the base of an amplifying mid-level
trough off the northern Atlantic Seaboard, which may be accompanied
by substantive further deepening of a surface cyclone migrating
across southern Quebec through the lower St. Lawrence Valley.

At the same time, a developing perturbation, emerging from
persistent weak mid/upper troughing in the subtropical westerlies,
is forecast to overspread parts of the southern Rockies, Rio Grande
River and higher terrain of southwest Texas, and adjacent southern
Great Plains. As this occurs, surface ridging initially
encompassing much of the Gulf Coast and Gulf of Mexico may slowly
weaken. However, low-level moisture return likely will remain
generally modest, and confined to a shallow near-surface layer
across the lower Rio Grande Valley into portions of the southern
Great Plains.

Across the higher terrain of southwest Texas into parts of the
Edwards Plateau and Texas South Plains, NAM forecast soundings
suggest that moisture return emanating from the subtropical eastern
Pacific may contribute to weak destabilization by late Thursday
afternoon into Thursday night. Northeast of the higher terrain, it
appears that this will be mostly after dark, above elevated
mixed-layer air, and it remains unclear whether forcing for ascent
will be sufficient to contribute to an appreciable risk for
thunderstorms. However, orographic forcing may aid the development
of a couple of weak thunderstorms across the mountains of southwest
Texas by Thursday evening.

..Kerr.. 12/01/2021

$$

The "Convective Outlooks" issued by SPC can be thought of as a detailed discussion of the Severe Thunderstorm threat and it's associated risks nationwide. Risk levels range from Marginal to Slight, Enhanced, Moderate, and High and are issued based on the likelihood of 3 major severe weather threats; the risk of tornadoes, damaging winds, and hail. These discussions are often heavily laced meteorological terminology that may be difficult to understand without a background in the field. However understanding these discussions shouldn't be thought of as necessary. Instead, should DuPage county fall under one of these threat levels for severe weather, the response should be to have a heightened level of awareness about the deveoloping weather. Keep an eye on the "Watch County Notification" for any active severe weather watches issued for DuPage county; the "Hazardous Weather Outlook" and "Severe Weather Statement" can also be helpful in explaining the developing risk; additionally, watch for "Active Weather Warnings" and keep an eye on our "Regional Satellite and Radar" products which can be viewed with active watches/warnings or lightning activity.

SPC Convective Outlook Day 3

See Product Description

945
ACUS03 KWNS 010600
SWODY3
SPC AC 010559

Day 3 Convective Outlook
NWS Storm Prediction Center Norman OK
1159 PM CST Tue Nov 30 2021

Valid 031200Z - 041200Z

...NO SEVERE THUNDERSTORM AREAS FORECAST...

...SUMMARY...
The risk of severe thunderstorms appears negligible across the U.S.
Friday through Friday night, but a low probability of thunderstorms
may develop across the southern Great Plains.

...Discussion...
One prominent branch of increasingly split westerlies, emanating
from the mid-latitude Pacific, appears likely to remain broadly
anticyclonic across the western Canadian/U.S. border into the
northern U.S. Great Plains and Mississippi Valley through this
period. However, mid/upper flow across the Great Lakes region may
trend at least broadly cyclonic, in response to a significant short
wave perturbation digging southeast of the Canadian Prairies. It
appears that this will be accompanied by much more modest surface
cyclogenesis than the preceding short wave impulse, but models
suggest that a more prominent cold surface ridge will build
southeast of the northern Rockies, through much of the northern into
central Great Plains and upper Mississippi Valley by 12Z Saturday.

At the same time, a series of short wave perturbations is forecast
to continue to develop eastward across parts of the Southwest into
the Gulf Coast states, within a weak branch of westerlies emanating
from the subtropical eastern Pacific. Across parts of the southern
Great Plains, elevated moisture return of subtropical Pacific origin
will be coupled with moistening from the Gulf of Mexico, on
southerly low-level return flow. Models continue to suggest that
the Gulf moisture return may be mostly confined to a relatively
shallow near-surface layer, beneath relatively warm and capping
elevated mixed-layer air. However, within weak surface troughing
ahead of the southward advancing cold front, and perhaps within
lower/mid-tropospheric warm advection to the northeast of a weak
frontal wave by late Friday night, areas of destabilization and lift
may become sufficient to support isolated to widely scattered weak
thunderstorm activity.

..Kerr.. 12/01/2021

$$

The "Convective Outlooks" issued by SPC can be thought of as a detailed discussion of the Severe Thunderstorm threat and it's associated risks nationwide. Risk levels range from Marginal to Slight, Enhanced, Moderate, and High and are issued based on the likelihood of 3 major severe weather threats; the risk of tornadoes, damaging winds, and hail. These discussions are often heavily laced meteorological terminology that may be difficult to understand without a background in the field. However understanding these discussions shouldn't be thought of as necessary. Instead, should DuPage county fall under one of these threat levels for severe weather, the response should be to have a heightened level of awareness about the deveoloping weather. Keep an eye on the "Watch County Notification" for any active severe weather watches issued for DuPage county; the "Hazardous Weather Outlook" and "Severe Weather Statement" can also be helpful in explaining the developing risk; additionally, watch for "Active Weather Warnings" and keep an eye on our "Regional Satellite and Radar" products which can be viewed with active watches/warnings or lightning activity.