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Weather & Climate in McGrew, NE
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
McGrew experiences four distinct seasons with an average annual temperature of 49°F (10°C). Winters average 28°F in January while summers reach 74°F in July. The area gets 316 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 15.6 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 3,782 feet.
Temperature
28°F Jan (-2°C)
74°F Jul (23°C)
| Annual Average | 49.2°F |
| 9% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 3,782 ft (1,153 m) |
| Area | 0.1 sq mi (0.4 km²) |
| Population Density | 550/sq mi |
| Coordinates | 41.7477°N, 103.4172°W |
| Timezone | America/Chicago |
| County | Scotts Bluff County County |
| Nearest Airport | Western Nebraska Regional/William B Heilig Field (BFF) 13 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 63.8 / 100 |
| Social Vulnerability | 31.5 / 100 |
| Community Resilience | 38.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Oct 18, 2012 | 28 km NW of Hyannis, Nebraska | M3.6 | 132 km | 5 km |
| Jun 18, 1998 | 23 km S of Chadron, Nebraska | M3.1 | 103 km | 5 km |
| Jan 6, 2018 | 7 km SW of Guernsey, Wyoming | M3.0 | 127 km | 5 km |
| Nov 2, 1992 | 5 km ESE of Lusk, Wyoming | M3.0 | 136 km | 5 km |
| Mar 10, 2011 | 22 km N of Van Tassell, Wyoming | M2.9 | 136 km | 5 km |
| Apr 24, 2007 | 23 km WSW of Hay Springs, Nebraska | M2.7 | 101 km | 5 km |
| Feb 27, 2021 | 13 km WNW of Crawford, Nebraska | M2.6 | 108 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
454 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 2 fatalities, 56 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 27, 1955 | EF4 | 38 km | 26.0 mi | 2 |
| Jun 9, 1991 | EF3 | 10 km | 3.5 mi | 0 |
| May 27, 1985 | EF3 | 19 km | 48.0 mi | 0 |
| Jul 20, 1978 | EF3 | 67 km | 53.2 mi | 0 |
| Jun 27, 1960 | EF3 | 87 km | 15.2 mi | 0 |
| Jun 20, 1960 | EF3 | 41 km | 26.1 mi | 0 |
| Jun 26, 1955 | EF3 | 79 km | 2.0 mi | 0 |
| Jun 23, 2023 | EF2 | 70 km | 4.7 mi | 0 |
| Jun 23, 2023 | EF2 | 19 km | 2.5 mi | 0 |
| Jul 2, 2020 | EF2 | 79 km | 3.4 mi | 0 |
| Jun 12, 2017 | EF2 | 10 km | 31.7 mi | 0 |
| Jun 12, 2017 | EF2 | 87 km | 25.6 mi | 0 |
| Jun 5, 2009 | EF2 | 81 km | 8.3 mi | 0 |
| Jun 27, 2005 | EF2 | 16 km | 17.0 mi | 0 |
| May 21, 1998 | EF2 | 50 km | 4.0 mi | 0 |
| Jul 13, 1996 | EF2 | 91 km | 0.5 mi | 0 |
| Jul 6, 1994 | EF2 | 35 km | 6.0 mi | 0 |
| Jul 26, 1993 | EF2 | 29 km | 3.8 mi | 0 |
| May 24, 1990 | EF2 | 91 km | 5.0 mi | 0 |
| Jun 20, 1983 | EF2 | 59 km | 0.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: SIMMONS (20,950 acres, 2016).
| Year | Name | Acres Burned | Distance |
| 2016 | SIMMONS | 20,950 | 85 km |
| 2022 | CARTER CANYON | 15,828 | 32 km |
| 1989 | MORRILL CO | 14,497 | 56 km |
| 1996 | UNNAMED | 14,279 | 72 km |
| 2000 | CO LINE | 10,961 | 92 km |
| 2012 | JEFFRIES | 8,853 | 77 km |
| 2024 | SCHIFF | 6,714 | 33 km |
| 2021 | HACKBERRY CA | 6,367 | 25 km |
| 1999 | UNNAMED | 6,239 | 50 km |
| 2019 | RED KATE | 6,115 | 97 km |
| 2021 | POST CA | 5,546 | 94 km |
| 2012 | UNNAMED | 5,308 | 86 km |
| 2012 | UNNAMED | 4,792 | 81 km |
| 1998 | SUGARLOAF | 4,075 | 82 km |
| 1988 | UNNAMED | 4,047 | 43 km |
| 2022 | SMOKEY | 3,961 | 11 km |
| 2021 | 313 | 3,859 | 89 km |
| 2001 | UNNAMED | 3,586 | 45 km |
| 2020 | HUBBARDS GAP | 3,435 | 12 km |
| 1986 | W BLUE CREEK | 3,167 | 82 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 0.4 in | Coldest |
| February | 31°F (-1°C) | 0.4 in | Driest |
| March | 38°F (3°C) | 1.1 in | |
| April | 47°F (8°C) | 1.6 in | |
| May | 57°F (14°C) | 2.8 in | Wettest |
| June | 68°F (20°C) | 2.7 in | |
| July | 74°F (23°C) | 2.2 in | Warmest |
| August | 72°F (22°C) | 1.4 in | |
| September | 62°F (17°C) | 1.3 in | |
| October | 50°F (10°C) | 0.9 in | |
| November | 36°F (2°C) | 0.6 in | |
| December | 28°F (-2°C) | 0.4 in |
McGrew has a seasonal temperature swing of 46°F / from 28°F in January to 74°F in July. Total annual precipitation is 15.7 inches, with May being the wettest month (2.8") and February the driest (0.4").