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Weather extremes
How extreme does Grand Forks's weather get?
The hottest, coldest, wettest and snowiest days Grand Forks has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Grand Forks has recorded — each shown against what a normal day that time of year looks like.
That is about 25°F hotter than a normal July afternoon in Grand Forks (typical high near 80°F).
The three most extreme on record
About 42°F colder than a normal February night in Grand Forks (typical low near 3°F).
The three most extreme on record
More rain in a single day than Grand Forks usually gets in the whole month of June (typical June total about 4.1 in).
The three most extreme on record
Close to a whole typical December's snow in one day (Grand Forks averages about 14 in across the month).
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
Grand Forks's record heat sits well above even a hot day for the season — July's 105°F is about 25°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Grand Forks Univ (nws) (NOAA GHCN station USC00323621), about 5 km from the city centre.