Weather & Climate in Mill Shoals, IL

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

Mill Shoals enjoys a temperate climate with an average annual temperature of 57°F (14°C). Winters average 33°F in January while summers reach 79°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 46.0 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 389 feet.

Temperature

33°F Jan (0°C) 79°F Jul (26°C)

Annual Average	57.1°F
	6% above US avg
January Average	33°F (0°C)
July Average	79°F (26°C)
Sunny Days	293 days/yr

Geography

Elevation	389 ft (119 m)
Area	0.3 sq mi (0.8 km²)
Population Density	179/sq mi
Coordinates	38.2495°N, 88.3457°W
Timezone	America/Chicago
County	Wayne County County
Nearest Airport	Evansville Regional (EVV) 47 miles away

Precipitation & Snow

Annual Rainfall 46.0"

21% above US avg

Wettest Month (May) 4.72"

Driest Month (Jan) 2.56"

Air Quality

AQI Median	43.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	40.7 / 100
Social Vulnerability	32.0 / 100
Community Resilience	53.7 / 100

Hazard Breakdown

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

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

Earthquake History

85 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.

Apr 18, 2008	7 km NNE of Bellmont, Illinois	M5.2	46 km	14 km
Apr 18, 2008	9 km NNE of Bellmont, Illinois	M4.7	48 km	15 km
Jun 18, 2002	6 km SW of Parkers Settlement, Indiana	M4.6	59 km	16 km
Feb 5, 1994	2 km WNW of Dongola, Illinois	M4.2	123 km	16 km
Apr 21, 2008	7 km NNE of Bellmont, Illinois	M4.0	47 km	18 km
Dec 7, 2000	7 km W of Evansville, Indiana	M3.9	69 km	5 km
Sep 19, 2017	4 km N of Bellmont, Illinois	M3.8	43 km	12 km
Nov 11, 1991	3 km W of Flat Rock, Illinois	M3.8	92 km	0 km
Apr 25, 2008	8 km NNE of Bellmont, Illinois	M3.7	47 km	13 km
Jan 2, 2006	3 km NNE of Eldorado, Illinois	M3.6	46 km	7 km
Nov 20, 2012	7 km N of Bellmont, Illinois	M3.6	45 km	19 km
May 1, 2016	5 km SE of New Grand Chain, Illinois	M3.5	128 km	16 km
Jun 5, 2008	8 km WNW of Mount Carmel, Illinois	M3.4	49 km	16 km
Mar 2, 1990	9 km NW of Vernon, Illinois	M3.4	98 km	0 km
May 30, 2015	4 km ENE of Geff, Illinois	M3.4	24 km	26 km
May 1, 2008	8 km NNE of Bellmont, Illinois	M3.3	48 km	14 km
May 13, 2025	7 km SSW of Lerna, Illinois	M3.3	123 km	10 km
Dec 27, 1992	2 km E of Pocahontas, Missouri	M3.2	139 km	10 km
Oct 24, 1990	5 km ENE of Woodlawn, Illinois	M3.2	56 km	1 km
Apr 6, 1994	2 km NE of Tamaroa, Illinois	M3.2	77 km	15 km

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

Tornado History

511 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 73 fatalities, 1,003 injuries.

Date	Rating	Distance	Path	Fatalities
Dec 18, 1957	EF5	81 km	5.4 mi	1
Nov 17, 2013	EF4	98 km	10.6 mi	2
Feb 29, 2012	EF4	67 km	26.1 mi	8
Jun 2, 1990	EF4	37 km	23.0 mi	0
Jun 2, 1990	EF4	79 km	13.0 mi	6
Jun 2, 1990	EF4	78 km	12.5 mi	0
Jun 2, 1990	EF4	11 km	106.0 mi	1
Jan 7, 1989	EF4	56 km	19.0 mi	0
May 29, 1982	EF4	85 km	17.0 mi	10
Dec 18, 1957	EF4	64 km	16.8 mi	1
Jul 9, 2024	EF3	55 km	5.8 mi	0
May 26, 2024	EF3	95 km	4.9 mi	0
Mar 31, 2023	EF3	77 km	40.9 mi	6
Feb 28, 2017	EF3	24 km	44.1 mi	1
Nov 17, 2013	EF3	71 km	14.1 mi	0
Mar 28, 2009	EF3	83 km	12.4 mi	0
Nov 6, 2005	EF3	96 km	11.2 mi	0
Nov 6, 2005	EF3	68 km	41.3 mi	24
Apr 21, 2002	EF3	35 km	31.5 mi	1
Apr 19, 1996	EF3	37 km	17.0 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (2,286 acres, 2019).

Year	Name	Acres Burned	Distance
2019	UNNAMED	2,286	94 km
2021	RED SHALE UNIT RX	2,123	91 km
2021	GAP VIEW RX	1,575	80 km
2022	DENNISON HOLLOW RX	1,573	67 km
2021	UNNAMED	1,510	86 km
2022	ONE HORSE GAP RX	1,502	83 km
2014	UNNAMED	1,493	64 km
2015	UNNAMED	1,447	68 km
2021	BEATTY BRANCH RX	1,396	92 km
2016	UNNAMED	1,299	83 km
2024	RED SHALE RX	1,259	92 km
2014	UNNAMED	1,216	83 km
2013	UNNAMED	1,203	82 km
2024	PINE HOLLOW RX	1,038	98 km
2021	ROCKY BRANCH RX	1,033	98 km
2015	UNNAMED	1,008	82 km
2024	CAVE HILL RX	999	63 km
2017	UNNAMED	994	68 km
2024	PLEASANT VALLEY RX	899	95 km
2021	ONE HORSE GAP RX	865	82 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	33°F (0°C)	2.6 in	Coldest, Driest
February	35°F (1°C)	2.7 in
March	45°F (7°C)	4.5 in
April	56°F (13°C)	4.4 in
May	65°F (19°C)	4.7 in	Wettest
June	74°F (23°C)	3.9 in
July	79°F (26°C)	3.8 in	Warmest
August	76°F (24°C)	3.2 in
September	69°F (21°C)	2.9 in
October	58°F (14°C)	3.1 in
November	46°F (8°C)	4.1 in
December	35°F (2°C)	3.7 in

Mill Shoals has a seasonal temperature swing of 46°F / from 33°F in January to 79°F in July. Total annual precipitation is 43.5 inches, with May being the wettest month (4.7") and January the driest (2.6").

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