Weather & Climate in Ellis Grove, IL

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Ellis Grove experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 31°F in January while summers reach 77°F in July. The area gets 293 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 45.6 inches. The area receives 10.6 inches of snow annually. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 594 feet.

Temperature

31°F Jan (-1°C) 77°F Jul (25°C)

Annual Average	55.1°F
	2% above US avg
January Average	31°F (-1°C)
July Average	77°F (25°C)
Sunny Days	293 days/yr

Geography

Elevation	594 ft (181 m)
Area	0.2 sq mi (0.5 km²)
Population Density	673/sq mi
Coordinates	38.0102°N, 89.9126°W
Timezone	America/Chicago
County	Randolph County County
Nearest Airport	Farmington Regional (FAM) 30 miles away

Precipitation & Snow

Annual Rainfall 45.6"

20% above US avg

Snowfall 10.6"

Wettest Month (May) 4.25"

Driest Month (Jan) 2.13"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	78.6 / 100
Social Vulnerability	55.8 / 100
Community Resilience	80.2 / 100

Hazard Breakdown

Tornado	Relatively Moderate
Hurricane	Very Low
Earthquake	Relatively Moderate
Wildfire	Very Low
Flood	Relatively Low
Hail	Relatively Moderate
Strong Wind	Relatively High
Heat Wave	Relatively Moderate
Winter Weather	Relatively Moderate
Lightning	Relatively Low
Ice Storm	Relatively Low
Drought	Relatively Low
Cold Wave	Relatively Moderate
Landslide	Relatively Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

121 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.

Sep 26, 1990	4 km SE of Chaffee, Missouri	M4.8	99 km	1 km
Feb 5, 1994	2 km WNW of Dongola, Illinois	M4.2	96 km	16 km
Jun 6, 2003	1 km NE of Bardwell, Kentucky	M4.0	150 km	3 km
Feb 21, 2012	4 km SSE of Bertrand, Missouri	M3.9	134 km	8 km
Jun 7, 2011	18 km NNW of Potosi, Missouri	M3.9	87 km	21 km
Mar 2, 2010	2 km ENE of East Prairie, Missouri	M3.7	145 km	8 km
Jun 20, 2005	4 km WSW of Blandville, Kentucky	M3.6	145 km	19 km
Jan 2, 2006	3 km NNE of Eldorado, Illinois	M3.6	133 km	7 km
Mar 15, 2017	9 km ESE of Wyatt, Missouri	M3.6	144 km	8 km
Jun 15, 2004	3 km S of Canalou, Missouri	M3.5	144 km	5 km
May 1, 2016	5 km SE of New Grand Chain, Illinois	M3.5	120 km	16 km
Jul 16, 2004	6 km SE of Wyatt, Missouri	M3.5	143 km	4 km
Mar 2, 1990	9 km NW of Vernon, Illinois	M3.4	114 km	0 km
May 30, 2015	4 km ENE of Geff, Illinois	M3.4	145 km	26 km
Sep 26, 1994	4 km ENE of Blandville, Kentucky	M3.4	146 km	13 km
Aug 27, 1993	5 km SSE of Olympian Village, Missouri	M3.3	47 km	22 km
May 16, 2017	9 km ESE of Wyatt, Missouri	M3.3	144 km	9 km
Apr 6, 1994	2 km NE of Tamaroa, Illinois	M3.2	63 km	15 km
Apr 8, 1998	2 km NNW of Blandville, Kentucky	M3.2	143 km	13 km
Dec 27, 1992	2 km E of Pocahontas, Missouri	M3.2	62 km	10 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

620 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 100 fatalities, 1,544 injuries.

Date	Rating	Distance	Path	Fatalities
Dec 18, 1957	EF5	59 km	5.4 mi	1
Feb 28, 2017	EF4	33 km	53.5 mi	1
Nov 17, 2013	EF4	61 km	10.6 mi	2
Apr 22, 2011	EF4	95 km	21.3 mi	0
Sep 22, 2006	EF4	37 km	27.5 mi	0
May 29, 1982	EF4	73 km	17.0 mi	10
Apr 3, 1981	EF4	81 km	11.9 mi	0
Jun 22, 1969	EF4	64 km	15.1 mi	4
Jan 24, 1967	EF4	93 km	25.0 mi	3
Feb 10, 1959	EF4	83 km	23.9 mi	21
Dec 18, 1957	EF4	79 km	16.8 mi	1
Dec 18, 1957	EF4	51 km	28.3 mi	11
May 26, 2024	EF3	92 km	4.9 mi	0
Dec 10, 2021	EF3	84 km	4.2 mi	6
Oct 24, 2021	EF3	55 km	16.7 mi	0
Oct 24, 2021	EF3	67 km	18.8 mi	0
May 31, 2013	EF3	90 km	10.6 mi	0
Dec 31, 2010	EF3	72 km	6.7 mi	1
Mar 11, 2006	EF3	23 km	53.5 mi	2
Mar 11, 2006	EF3	39 km	5.1 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: SMITH MILL HOLLOW (3,978 acres, 2022).

Year	Name	Acres Burned	Distance
2022	SMITH MILL HOLLOW	3,978	96 km
2021	COUNCIL BLUFF	3,035	96 km
2024	COUNCIL BLUFF WEST RX	2,846	96 km
2005	UNNAMED	2,751	96 km
2010	COUNCIL BLUFF LAKE	2,651	96 km
2006	UNNAMED	2,512	96 km
2021	RED SHALE UNIT RX	2,123	82 km
2021	BEAR PAW	2,080	100 km
2024	BEAR PAW RX	2,067	100 km
2004	CICERO CREEK	1,846	97 km
2014	UNNAMED	1,627	84 km
2019	ATWOOD RIDGE RX	1,622	84 km
2015	UNNAMED	1,586	95 km
2010	DELBRIDGE SOUTH	1,574	96 km
2000	UNNAMED	1,552	75 km
1999	UNNAMED	1,483	75 km
2000	UNNAMED	1,260	90 km
2024	RED SHALE RX	1,259	82 km
2017	UNNAMED	1,257	91 km
2021	OZARK HILL PRAIRIE RX	1,235	91 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	31°F (-1°C)	2.1 in	Coldest, Driest
February	35°F (2°C)	2.4 in
March	45°F (7°C)	3.9 in
April	56°F (13°C)	3.7 in
May	65°F (18°C)	4.3 in	Wettest
June	74°F (23°C)	3.7 in
July	77°F (25°C)	4.0 in	Warmest
August	76°F (25°C)	3.4 in
September	69°F (21°C)	3.4 in
October	58°F (14°C)	3.0 in
November	46°F (8°C)	3.8 in
December	35°F (2°C)	3.4 in

Ellis Grove has a seasonal temperature swing of 46°F / from 31°F in January to 77°F in July. Total annual precipitation is 41.1 inches, with May being the wettest month (4.3") and January the driest (2.1").

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