Weather & Climate in Cascade, ID

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

Cascade has a cool climate with an average annual temperature of 43°F (6°C). Winters average 23°F in January while summers reach 65°F in July. The area gets 276 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 23.8 inches (drier than the 38-inch national average). The area receives 86.3 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 33. The city sits at an elevation of 4,818 feet.

Temperature

23°F Jan (-5°C) 65°F Jul (18°C)

Annual Average	43.3°F
	20% below US avg
January Average	23°F (-5°C)
July Average	65°F (18°C)
Sunny Days	276 days/yr

Geography

Elevation	4,818 ft (1,469 m)
Area	4.7 sq mi (12.1 km²)
Population Density	237/sq mi
Coordinates	44.5088°N, 116.0436°W
Timezone	America/Boise
County	Adams County County
Nearest Airport	Boise Air Trml/Gowen Field (BOI) 66 miles away

Precipitation & Snow

Annual Rainfall 23.8"

38% below US avg

Snowfall 86.3"

Wettest Month (Dec) 3.15"

Driest Month (Jul) 0.67"

Air Quality

AQI Median	33.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	39.6 / 100
Social Vulnerability	60.6 / 100
Community Resilience	8.6 / 100

Hazard Breakdown

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

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

Earthquake History

1,543 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.5.

Mar 31, 2020	Stanley, Idaho	M6.5	74 km	12 km
Feb 26, 2024	10 km N of Smiths Ferry, Idaho	M4.9	14 km	12 km
Apr 1, 2020	21 km WNW of Stanley, Idaho	M4.8	73 km	10 km
Apr 13, 2014	15 km NNW of Challis, Idaho	M4.8	136 km	4 km
Jun 25, 2020	27 km NW of Stanley, Idaho	M4.6	70 km	8 km
May 14, 2020	31 km NW of Stanley, Idaho	M4.4	67 km	13 km
May 21, 2020	26 km NW of Stanley, Idaho	M4.4	72 km	6 km
Apr 1, 2020	23 km NW of Stanley, Idaho	M4.4	72 km	7 km
Apr 14, 2014	13 km NW of Challis, Idaho	M4.4	136 km	7 km
Jan 28, 1995	33 km NNE of Stanley, Idaho	M4.3	100 km	5 km
Feb 17, 1992	33 km NNE of Stanley, Idaho	M4.3	101 km	5 km
Jan 27, 2025	26 km NW of Clayton, Idaho	M4.2	110 km	9 km
Aug 13, 1998	3 km ESE of Challis, Idaho	M4.2	147 km	5 km
Jun 9, 2020	11 km NW of Stanley, Idaho	M4.2	84 km	10 km
Apr 11, 1995	20 km SSE of Yellow Pine, Idaho	M4.2	57 km	5 km
Jun 14, 2020	10 km NW of Stanley, Idaho	M4.2	83 km	8 km
Apr 11, 2020	20 km NW of Stanley, Idaho	M4.1	75 km	10 km
Jul 10, 2020	18 km SW of Stanley, Idaho	M4.1	89 km	10 km
Apr 21, 2020	29 km NW of Stanley, Idaho	M4.1	69 km	10 km
Feb 18, 1993	34 km NNE of Stanley, Idaho	M4.1	97 km	5 km

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

Tornado History

19 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 injury.

Date	Rating	Distance	Path	Fatalities
Jun 4, 2006	EF2	79 km	12.0 mi	0
May 17, 1996	EF1	79 km	5.5 mi	0
Jun 19, 1991	EF1	80 km	0.1 mi	0
Jul 9, 1990	EF1	76 km	0.1 mi	0
Jul 1, 1983	EF1	84 km	2.0 mi	0
Jun 27, 1958	EF1	16 km	5.0 mi	0
Jul 9, 1956	EF1	97 km	0.1 mi	0
May 26, 2023	EF0	95 km	1.0 mi	0
Aug 25, 2004	EF0	87 km	—	0
Sep 29, 2002	EF0	84 km	1.0 mi	0
Feb 7, 2002	EF0	80 km	0.1 mi	0
Sep 13, 2001	EF0	79 km	1.0 mi	0
Aug 3, 2000	EF0	84 km	0.1 mi	0
Jun 17, 1997	EF0	84 km	0.2 mi	0
Apr 30, 1997	EF0	99 km	1.0 mi	0
May 17, 1996	EF0	93 km	0.1 mi	0
Jul 22, 1992	EF0	86 km	0.5 mi	0
Jul 22, 1992	EF0	95 km	0.5 mi	0
Jun 2, 1967	EF0	100 km	3.8 mi	0

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Jordan Craters (189 km).

Name	Type	Elevation	Last Eruption	Distance
Jordan Craters	Volcanic field	1,473 m (4,833 ft)	-1250	189 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: EAST ZONE COMPLEX (RAINES) (318,724 acres, 2007).

Year	Name	Acres Burned	Distance
2007	EAST ZONE COMPLEX (RAINES)	318,724	71 km
2007	CASCADE COMPLEX (MONUMENTAL)	317,157	48 km
2012	HALSTEAD	190,156	84 km
2016	PIONEER	189,596	55 km
2024	PADDOCK	186,842	56 km
1994	IDAHO CITY COMPLEX (RABBIT CREEK)	150,456	82 km
1994	CORRAL CREEK-BLACKWELL COMPLEX	140,101	72 km
1994	PORPHYRY SOUTH	129,849	89 km
2020	WOODHEAD	98,995	63 km
2021	BOUNDARY	97,995	69 km
2015	TEPEE SPRINGS	94,878	90 km
2000	JACKSON	80,733	99 km
1987	DEADWOOD	57,051	50 km
2006	CHERRY	56,773	54 km
2000	SALMON CHALLIS WILDERNESS COMPLEX (LITTLE PISTOL)	53,790	73 km
2006	FOSTER GULCH	52,496	83 km
2006	RATTLESNAKE COMPLEX	48,330	33 km
1989	SMOKEY CREEK	47,682	62 km
1986	BISSELL CK	40,847	73 km
1986	VAN DUSEN	39,901	61 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	23°F (-5°C)	3.0 in
February	25°F (-4°C)	2.2 in
March	31°F (-1°C)	2.2 in
April	38°F (3°C)	1.8 in
May	46°F (8°C)	1.7 in
June	53°F (12°C)	1.8 in
July	65°F (18°C)	0.7 in	Warmest, Driest
August	60°F (16°C)	0.9 in
September	52°F (11°C)	1.3 in
October	43°F (6°C)	1.7 in
November	31°F (-1°C)	2.8 in
December	22°F (-5°C)	3.2 in	Coldest, Wettest

Cascade has a seasonal temperature swing of 43°F / from 22°F in December to 65°F in July. Total annual precipitation is 23.2 inches, with December being the wettest month (3.2") and July the driest (0.7").

View full profile of Cascade, ID →