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Weather & Climate in Fosston, MN

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

Fosston has a cool climate with an average annual temperature of 39°F (4°C). Winters average 5°F in January while summers reach 67°F in July / a wide seasonal temperature swing of 62°F. 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 26.6 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 36. The city sits at an elevation of 1,291 feet.

Temperature

5°F Jan (-15°C) 67°F Jul (19°C)
Annual Average38.8°F
28% below US avg
January Average5°F (-15°C)
July Average67°F (19°C)
Sunny Days276 days/yr

Geography

Elevation1,291 ft (393 m)
Area1.7 sq mi (4.4 km²)
Population Density638/sq mi
Coordinates47.5851°N, 95.7527°W
TimezoneAmerica/Chicago
CountyClearwater County County
Nearest AirportBemidji Regional (BJI)
38 miles away

Precipitation & Snow

Annual Rainfall 26.6"
30% below US avg
Wettest Month (Jun) 4.13"
Driest Month (Feb) 0.51"

Air Quality

AQI Median36.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score4.2 / 100
Social Vulnerability30.1 / 100
Community Resilience49.2 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Very Low
Wildfire Relatively Low
Flood Very Low
Hail Very Low
Strong Wind Very Low
Heat Wave Very Low
Winter Weather Relatively Low
Lightning Very Low
Ice Storm Very Low
Drought Relatively Low
Cold Wave Relatively Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Tornado History

290 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 7 fatalities, 62 injuries.

Date Rating Distance Path Fatalities
Jun 17, 2010 EF3 33 km 15.0 mi 1
Jun 6, 2008 EF3 87 km 7.3 mi 0
Jun 24, 2023 EF2 40 km 6.2 mi 0
Jun 24, 2022 EF2 81 km 30.9 mi 0
Jun 8, 2019 EF2 36 km 3.6 mi 0
Jun 29, 2018 EF2 20 km 15.4 mi 0
Jul 11, 2017 EF2 70 km 12.8 mi 0
Jul 11, 2017 EF2 95 km 11.6 mi 0
Aug 28, 2016 EF2 50 km 9.6 mi 0
Jul 21, 2014 EF2 84 km 37.9 mi 0
Jul 22, 2013 EF2 34 km 21.1 mi 0
Jul 11, 2008 EF2 32 km 16.0 mi 0
Aug 26, 2007 EF2 92 km 5.0 mi 0
Jun 23, 2005 EF2 79 km 1.5 mi 0
Jun 23, 2005 EF2 92 km 2.0 mi 0
May 21, 2005 EF2 72 km 0.3 mi 0
Jun 5, 1996 EF2 77 km 5.0 mi 0
Aug 25, 1983 EF2 58 km 1.3 mi 0
Aug 5, 1981 EF2 40 km 0.8 mi 0
Jul 11, 1980 EF2 61 km 6.1 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (131,401 acres, 1987).

Year Name Acres Burned Distance
1987 UNNAMED 131,401 61 km
2003 REINER 36 67,641 55 km
1989 UNNAMED 66,422 58 km
1990 UNNAMED 43,533 69 km
1991 UNNAMED 37,840 45 km
1990 UNNAMED 32,693 47 km
1987 SANDY LAKE 26,617 45 km
1990 UNNAMED 26,345 82 km
1998 RL3 14,882 63 km
2018 2018 HIGHWAY 1 RXB 13,170 65 km
2021 OXCART 12,538 42 km
1987 UNNAMED 10,819 74 km
1987 UNNAMED 9,281 85 km
1994 UNNAMED 8,690 46 km
1990 UNNAMED 8,025 66 km
2016 2016 HIGHWAY 1 RXB 7,744 65 km
2021 RL 005 UNIT 8 AND 9 6,352 50 km
2003 HICKORY ONE 6,152 44 km
2007 HWYONEBURN 6,124 66 km
2002 RED LAKE 468 6,076 42 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 5°F (-15°C) 0.7 in Coldest
February 11°F (-12°C) 0.5 in Driest
March 24°F (-4°C) 1.0 in
April 41°F (5°C) 1.5 in
May 55°F (13°C) 2.7 in
June 64°F (18°C) 4.1 in Wettest
July 67°F (19°C) 3.7 in Warmest
August 66°F (19°C) 3.4 in
September 56°F (13°C) 2.8 in
October 44°F (6°C) 2.2 in
November 25°F (-4°C) 0.9 in
December 10°F (-12°C) 0.6 in

Fosston has a seasonal temperature swing of 61°F / from 5°F in January to 67°F in July. Total annual precipitation is 24.0 inches, with June being the wettest month (4.1") and February the driest (0.5").

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