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Weather extremes

How extreme does Forest Hills's weather get?

The hottest, coldest, wettest and snowiest days Forest Hills has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 50+ years of daily weather observations (1971–present), from the Grand Rapids station 9 km away. Updated through June 2026 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Forest Hills has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
104°F Jul 6, 2012

That is about 21°F hotter than a normal July afternoon in Forest Hills (typical high near 83°F).

The three most extreme on record

1 104°F Jul 6, 2012
2 101°F Jul 5, 2012
3 100°F Jul 6, 1988
❄️ Coldest night
-22°F Jan 19, 1994

About 41°F colder than a normal January night in Forest Hills (typical low near 19°F).

The three most extreme on record

1 -22°F Jan 19, 1994
2 -21°F Jan 11, 1979
3 -20°F Jan 4, 1981
🌧️ Most rain in one day
4.15 in May 15, 2001

More rain in a single day than Forest Hills usually gets in the whole month of May (typical May total about 4.0 in).

The three most extreme on record

1 4.15 in May 15, 2001
2 3.61 in Aug 14, 1987
3 3.56 in Jul 5, 1994
Most snow in one day
16.1 in Jan 26, 1978

About 71% of a typical January's snow in a single day (Forest Hills averages roughly 23 in across the month).

The three most extreme on record

1 16.1 in Jan 26, 1978
2 14.2 in Dec 11, 2000
3 13.6 in Mar 2, 2002

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.

-50°-30°-10°10°30°50°70°90°110°130° all-time high 104°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Forest Hills's record heat sits well above even a hot day for the season — July's 104°F is about 21°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

In a normal year, Forest Hills's warmest days reach the low 80s°F and its coldest nights drop to the high 10s°F. But across the record it has gone as high as 104°F and as low as −22°F. A single day has delivered over 4 inches of rain or close to 16 inches of snow. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Grand Rapids (NOAA GHCN station USW00094860), about 9 km from the city centre.

How we build these numbers →