National Weather Service United States Department of Commerce

Snow in the Rockies; Showers and Thunderstorms Along the Gulf Coast; Potential Winter Storm for Northern Mid-Atlantic and Interior New England

A winter-like pattern will continue over much of the Lower 48 over the next few days, with snow stretching from the Rockies today into the Middle Mississippi Valley on Monday. Showers and thunderstorms will develop along the Gulf Coast and Southeast on Monday. As the storm moves northward late Monday into Tuesday, winter weather is possible from the Central Appalachians to Interior New England. Read More >

December 2021 Precipitation Highlights:

  • December saw below normal precipitation across portions of central IL near and west of I-55, with above normal precipitation farther southeast.  Parts of southeast IL saw monthly totals around 1 inch above normal, while areas along and west of the Illinois River saw deficits of half to 1 inch.  Snowfall was well below normal, with only one event producing any accumulation of note, when up to 3 inches fell over northern portions of central IL on Dec. 28. Peoria had it's 3rd latest 1st measurable snowfall on Dec 28th while Springfield was tied for its 2nd latest 1st measurable snowfall on Jan 1st.  

Dec 2021 Precipitation Central ILDec 2021 Precipitation Departure from Normal Central IL


 


December 2021 Temperature Highlights:

  • Temperatures across central Illinois were 7-10 degrees warmer than normal, making it one of the warmest Decembers on record.  Lincoln had its 2nd warmest December, while Peoria and Springfield had their 3rd warmest December on record.   

 

Climate Statistics December 2021:
 

Site

Precipitation
 

Departure from Normal Snowfall Departure from Normal Average Temperature
 
Departure from Normal

Charleston

" "     - -

Canton

1.54" -0.50" 2.0" -2.1 - -
Danville 2.72" -0.01" 0.0"

-4.0

38.5 +6.1
Decatur 2.31" -0.09" 0.0" -3.5 41.0

+9.2

Effingham

3.27"

+0.46" 0.0" - - -

Flora

3.63" +0.37" T -4.5 43.5 +9.0
Galesburg 1.50" -0.64" 2.0" -3.9 35.7

+7.9

Morton

2.08" -0.20" 1.0" -4.8 - -

Jacksonville

1.02" -0.96" 0.0" -3.5 40.1 +7.9

Lincoln

2.01" -0.28" T -4.9 40.1 +9.0

Normal

2.30" 0 T -3.6 37.7 +7.9

Olney

3.83" +0.33" 0.0" -2.7 44.2 +10.2

Paris

3.61" +0.76" 0.0" -4.0 40.6 +10.0

Peoria

1.54" -0.67" 2.8" -3.4 39.4 +8.6
Springfield

1.94"

-0.21" T -4.3 41.9 +9.0

Taylorville

2.34" +0.12" 0.0" - 40.6 -

Tuscola

2.55" +0.02" 0.0" -3.7 40.6 +9.2
Urbana 2.94" +0.54" 0.1" -4.7 39.4

+8.3


The following links are the monthly climate summaries for area cities. Only the summaries for Peoria, Springfield, and Lincoln are considered "official", meaning they are the station of record for their respective locations. The other summaries are "supplemental", meaning another location in the area is the official climate station for the city.

  • Peoria -- Peoria International Airport
  • Springfield -- Abraham Lincoln Capital Airport
  • Lincoln -- National Weather Service Office
  • Champaign -- University of Illinois-Willard Airport
  • Decatur -- Decatur Airport
  • Lawrenceville -- Lawrenceville-Vincennes International Airport
  • Mattoon -- Coles County Memorial Airport

Climate data for other cities is available at http://w2.weather.gov/climate/xmacis.php?wfo=ilx
 

January 2022 Look Ahead:

  • The official January 2022 outlooks from NOAA's Climate Predication center show cooler than normal temperatures and wetter than normal precipitation favored for central & southeast IL.