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Weather & Climate in Prospect, LA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Prospect enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 49°F in January while summers reach 83°F in July. The area gets 313 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 60.9 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 191 feet.
Temperature
49°F Jan (9°C)
83°F Jul (28°C)
| Annual Average | 66.6°F |
| 23% above US avg | |
| January Average | 49°F (9°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 191 ft (58 m) |
| Area | 1.5 sq mi (3.8 km²) |
| Population Density | 330/sq mi |
| Coordinates | 31.4464°N, 92.4964°W |
| Timezone | America/Chicago |
| County | Grant Parish County |
| Nearest Airport | Alexandria International (AEX) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 29.6 / 100 |
| Social Vulnerability | 57.6 / 100 |
| Community Resilience | 38.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
10 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Jan 27, 2024 | 4 km SSW of Hall Summit, Louisiana | M3.6 | 110 km | 9 km |
| Aug 22, 2025 | 5 km WSW of Huxley, Texas | M3.2 | 140 km | 9 km |
| Aug 21, 2025 | 8 km W of Huxley, Texas | M3.0 | 144 km | 7 km |
| Jan 9, 2024 | 1 km S of Edgefield, Louisiana | M2.8 | 103 km | 5 km |
| Jan 11, 2024 | 6 km SSW of Hall Summit, Louisiana | M2.8 | 108 km | 5 km |
| Apr 26, 2024 | 8 km SSE of Doyline, Louisiana | M2.7 | 141 km | 5 km |
| Jan 19, 2024 | 7 km SW of Hall Summit, Louisiana | M2.7 | 111 km | 5 km |
| Jan 19, 2024 | 5 km NNE of Edgefield, Louisiana | M2.7 | 106 km | 5 km |
| Apr 23, 2024 | 3 km N of Ringgold, Louisiana | M2.7 | 125 km | 5 km |
| Apr 13, 2024 | 4 km NW of Edgefield, Louisiana | M2.6 | 108 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
19 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Francine | Category 2 | 104 mph | 256 km |
| 2021 | Ida | Category 4 | 150 mph | 187 km |
| 2020 | Laura | Category 4 | 150 mph | 81 km |
| 2020 | Zeta | Category 3 | 115 mph | 284 km |
| 2020 | Delta | Category 2 | 98 mph | 155 km |
| 2019 | Barry | Category 1 | 75 mph | 207 km |
| 2012 | Isaac | Category 1 | 81 mph | 297 km |
| 2008 | Ike | Category 2 | 109 mph | 271 km |
| 2008 | Gustav | Category 2 | 109 mph | 140 km |
| 2007 | Humberto | Category 1 | 92 mph | 165 km |
| 2005 | Katrina | Category 4 | 127 mph | 278 km |
| 2005 | Rita | Category 3 | 115 mph | 186 km |
| 2002 | Lili | Category 1 | 92 mph | 162 km |
| 1992 | Andrew | Category 4 | 138 mph | 130 km |
| 1989 | Chantal | Category 1 | 81 mph | 275 km |
| 1986 | Bonnie | Category 1 | 86 mph | 244 km |
| 1985 | Elena | Category 2 | — | 270 km |
| 1985 | Danny | Category 1 | 92 mph | 162 km |
| 1985 | Juan | Category 1 | 86 mph | 228 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
502 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 32 fatalities, 441 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 29, 2010 | EF4 | 49 km | 14.0 mi | 0 |
| Dec 3, 1953 | EF4 | 67 km | 85.5 mi | 9 |
| Nov 29, 2022 | EF3 | 72 km | 7.9 mi | 0 |
| Dec 16, 2019 | EF3 | 99 km | 62.6 mi | 1 |
| Sep 24, 2005 | EF3 | 95 km | 14.0 mi | 0 |
| Nov 23, 2004 | EF3 | 54 km | 15.0 mi | 1 |
| Nov 21, 1992 | EF3 | 74 km | 3.0 mi | 0 |
| Nov 21, 1992 | EF3 | 95 km | 38.0 mi | 0 |
| May 20, 1983 | EF3 | 80 km | 2.0 mi | 0 |
| May 19, 1983 | EF3 | 67 km | 2.0 mi | 0 |
| May 19, 1983 | EF3 | 51 km | 12.0 mi | 1 |
| May 19, 1983 | EF3 | 95 km | 2.0 mi | 0 |
| May 19, 1983 | EF3 | 99 km | 3.0 mi | 0 |
| May 19, 1983 | EF3 | 62 km | 23.0 mi | 0 |
| Apr 1, 1983 | EF3 | 84 km | 6.0 mi | 0 |
| Jan 31, 1983 | EF3 | 65 km | 5.0 mi | 1 |
| Sep 12, 1982 | EF3 | 97 km | 2.0 mi | 0 |
| Jun 5, 1981 | EF3 | 17 km | 4.3 mi | 0 |
| Jan 18, 1973 | EF3 | 78 km | 38.0 mi | 1 |
| Jun 22, 1971 | EF3 | 14 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (12,496 acres, 2000).
| Year | Name | Acres Burned | Distance |
| 2000 | UNNAMED | 12,496 | 79 km |
| 2023 | HWY 113 | 7,104 | 60 km |
| 2021 | C-368 366 365 364 75 | 5,919 | 34 km |
| 2013 | UNNAMED | 5,381 | 57 km |
| 2021 | C-43/44 | 5,340 | 51 km |
| 2020 | UNNAMED | 5,104 | 64 km |
| 2013 | UNNAMED | 5,044 | 72 km |
| 2013 | UNNAMED | 4,777 | 27 km |
| 2022 | THE 60S | 4,538 | 61 km |
| 2017 | UNNAMED | 4,498 | 35 km |
| 2019 | C-371/369/34 | 4,481 | 32 km |
| 2024 | RX CALV C-262-265 | 4,445 | 59 km |
| 2013 | UNNAMED | 4,440 | 49 km |
| 2019 | UNNAMED | 4,310 | 61 km |
| 2017 | UNNAMED | 4,279 | 68 km |
| 2011 | TD13 | 4,208 | 88 km |
| 2018 | C-238 | 3,709 | 64 km |
| 2010 | WRANGLER | 3,693 | 50 km |
| 2017 | UNNAMED | 3,648 | 33 km |
| 2024 | RX CAT C-40-41-42 | 3,635 | 24 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 5.8 in | Coldest |
| February | 52°F (11°C) | 4.9 in | |
| March | 59°F (15°C) | 5.8 in | |
| April | 66°F (19°C) | 4.7 in | |
| May | 73°F (23°C) | 5.5 in | |
| June | 80°F (26°C) | 4.7 in | |
| July | 83°F (28°C) | 4.4 in | Warmest |
| August | 82°F (28°C) | 4.1 in | Driest |
| September | 77°F (25°C) | 4.2 in | |
| October | 66°F (19°C) | 4.6 in | |
| November | 57°F (14°C) | 5.4 in | |
| December | 50°F (10°C) | 6.5 in | Wettest |
Prospect has a seasonal temperature swing of 34°F / from 49°F in January to 83°F in July. Total annual precipitation is 60.4 inches, with December being the wettest month (6.5") and August the driest (4.1").