Cold Weather Advisory
* WHAT...Very cold wind chills as low as 15 to 20 below.
* WHERE...Portions of central, east central, and west central
Illinois.
* WHEN...Until 6 AM CST Monday.
* IMPACTS...The dangerously cold wind chills as low as 20 below zero
could cause frostbite on exposed skin in as little as 30 minutes.
From: Dec 14, 2025 17:59
Until: Dec 15, 2025 12:00
Special Weather Statement
South to southwest winds will increase late tonight mainly after 4
am with gusts as high as 25 to 30 mph on Monday morning into early
Monday afternoon. This could develop blowing and drifting snow of the
fresh snow pack, especially on east-west oriented roadways along with
sudden reduced visibilities to less than a mile. Untreated roadways
may become snow covered and slippery again on Monday. The winds
should diminish by late Monday afternoon reducing the blowing and
drifting snow risks.
From: Dec 14, 2025 20:50
Until: Dec 15, 2025 10:00
Winter Weather Advisory
* WHAT...Snow expected. Total snow accumulations between 2 and 4
inches.
* WHERE...Along and northwest of a Beardstown to Bloomington line.
* WHEN...From noon Monday to 6 AM CST Tuesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Monday evening commute.
From: Nov 30, 2025 19:07
Until: Dec 01, 2025 10:00
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations between 4 and
7 inches. Winds gusting as high as 35 mph.
* WHERE...Portions of south central, southwest, and west central
Illinois and northeast Missouri.
* WHEN...From midnight tonight to midnight CST Saturday Night.
* IMPACTS...Travel could be very difficult to impossible.
From: Nov 28, 2025 20:55
Until: Nov 29, 2025 12:00
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations between 5 and
8 inches across much of the area...with higher amounts of 9 to 12
inches along and north of a Macomb to Bloomington line.
* WHERE...Portions of central and west central Illinois.
* WHEN...From midnight tonight to 6 AM CST Sunday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. The strong winds and weight of
snow on tree limbs may down power lines and could cause sporadic
power outages. Travel could be very difficult to impossible.
From: Nov 28, 2025 18:20
Until: Nov 29, 2025 10:15
Winter Storm Watch
* WHAT...Heavy snow possible. Total snow accumulations between 4 and
8 inches possible.
* WHERE...Portions of south central, southwest, and west central
Illinois and east central and northeast Missouri.
* WHEN...From late Friday night through Saturday evening.
* IMPACTS...Travel could be very difficult.
From: Nov 27, 2025 21:23
Until: Nov 28, 2025 12:30
Winter Storm Watch
* WHAT...Heavy snow possible. Total snow accumulations in excess of
5 inches north of I-70...and greater than 8 inches along and north
of a Macomb to Bloomington line.
* WHERE...All of central Illinois along and north of I-70.
* WHEN...From late Friday night through late Saturday night.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could be very difficult.
From: Nov 27, 2025 20:45
Until: Nov 28, 2025 10:00
Wind Advisory
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...Portions of central, east central, southeast, and west
central Illinois.
* WHEN...Until 6 PM CST this evening.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
From: Nov 26, 2025 06:20
Until: Nov 27, 2025 00:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central, east central, southeast, and west
central Illinois.
* WHEN...Until 10 AM CST Monday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Nov 24, 2025 05:11
Until: Nov 24, 2025 16:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of south central, southwest, and west central
Illinois and east central, northeast, and southeast Missouri.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Nov 24, 2025 12:17
Until: Nov 24, 2025 15:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of south central, southwest, and west central
Illinois and central, east central, northeast, and southeast
Missouri.
* WHEN...Until 9 AM CST Monday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Nov 23, 2025 23:41
Until: Nov 24, 2025 14:45
Special Weather Statement
Patchy dense fog has formed across Central Illinois in the last
couple of hours. Visibility may fall below one-quarter mile at times
through early morning, leading to potentially hazardous travel
conditions.
Expect rapid changes in visibility over short distances, with visibility
possibly even near zero at times.
Be sure to slow down if you encounter dense fog. Use low beam headlights if
driving, and leave plenty of distance between you and the vehicle ahead.
From: Nov 23, 2025 10:37
Until: Nov 23, 2025 12:45
Dense Fog Advisory
* WHAT...Visibility one quarter to one half mile in dense fog.
* WHERE...In Illinois, Montgomery IL, Greene IL, Macoupin IL, Adams
IL, Brown IL, and Pike IL Counties. In Missouri, Knox MO, Lewis
MO, Marion MO, and Shelby MO Counties.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Nov 21, 2025 09:19
Until: Nov 21, 2025 15:00
Dense Fog Advisory
* WHAT...Visibility one quarter to one half mile in dense fog.
* WHERE...Portions of central, east central, and west central
Illinois.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Nov 21, 2025 08:15
Until: Nov 21, 2025 15:00
Freeze Watch
* WHAT...Sub-freezing temperatures as low as 30 possible.
* WHERE...Portions of south central and southwest Illinois and east
central and southeast Missouri.
* WHEN...From late Saturday night through Sunday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
From: Oct 31, 2025 18:43
Until: Nov 01, 2025 09:45
Freeze Warning
* WHAT...Sub-freezing temperatures as low as 30.
* WHERE...Portions of central, east central, southeast, and west
central Illinois.
* WHEN...Until 9 AM CDT this morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
From: Oct 24, 2025 09:17
Until: Oct 24, 2025 14:00
Frost Advisory
* WHAT...Temperatures as low as 30 will result in frost formation.
* WHERE...Portions of south central, southwest, and west central
Illinois.
* WHEN...Until 9 AM CDT this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
From: Oct 24, 2025 08:38
Until: Oct 24, 2025 14:00
Freeze Warning
* WHAT...Sub-freezing temperatures as low as 32.
* WHERE...Christian, Sangamon, Shelby, Effingham, and Jasper
Counties.
* WHEN...Until 9 AM CDT this morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
From: Oct 24, 2025 09:17
Until: Oct 24, 2025 14:00
Frost Advisory
* WHAT...Temperatures as low as 33 will result in frost formation.
* WHERE...Clay, Lawrence, Richland, Morgan, and Scott Counties.
* WHEN...Until 9 AM CDT this morning.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
From: Oct 24, 2025 09:17
Until: Oct 24, 2025 14:00
Freeze Warning
* WHAT...Sub-freezing temperatures as low as 31 expected.
* WHERE...Christian, Sangamon, Shelby, Effingham, and Jasper
Counties.
* WHEN...From 1 AM to 9 AM CDT Friday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
From: Oct 24, 2025 00:57
Until: Oct 24, 2025 12:00
Frost Advisory
* WHAT...Temperatures as low as 32 will result in frost formation.
* WHERE...Clay, Lawrence, Richland, Morgan, and Scott Counties.
* WHEN...From 1 AM to 9 AM CDT Friday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
From: Oct 24, 2025 00:57
Until: Oct 24, 2025 12:00
Freeze Warning
* WHAT...Sub-freezing temperatures as low as 29 expected.
* WHERE...Portions of central, east central, southeast, and west
central Illinois.
* WHEN...From 1 AM to 9 AM CDT Friday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
From: Oct 24, 2025 00:57
Until: Oct 24, 2025 12:00
Frost Advisory
* WHAT...Temperatures as low as 33 will result in frost formation.
* WHERE...Fayette IL, Marion IL, Montgomery IL, Greene IL, Macoupin
IL, Brown IL, and Pike IL Counties.
* WHEN...From 1 AM to 9 AM CDT Friday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
From: Oct 23, 2025 19:17
Until: Oct 24, 2025 10:30
