Sisseton, SD

NWS NDFD forecast high temperature for Sisseton.

Every year's high on Jul 14 at Sisseton. The forecast line shows where today lands; the ringed bar is the hottest on record.

The hottest and coldest ever recorded at Sisseton in each calendar month, and for the whole 1931–2026 record — with the year each was set.

Records set or tied at Sisseton so far this year — through Jul 11.

Normal high & low by month, from Sisseton's own 1991–2020 record. Today's normal high: 83°F · forecast is +15° vs normal.

Sisseton's observed daily high for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.

Every day this year against Sisseton's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.

Each cell is one day's high at Sisseton, coloured by temperature — 96 years of record, so heat waves read as warm streaks and cold snaps as blue.

How many days a year hit a given high at Sisseton — counted through Jul 14 each year, so you can see whether 2026 is running hot. Pick a threshold:

10 days ≥90°F so far in 2026 — tied for the 19th most in 96 years. Normal for this point: 7. Record: 39 in 1934.

A ready-to-share summary of Sisseton's outlook — post it, or link this page.