US Northern Rockies & Plains Climate – April 2026 Update
Climate Map – USA
Source: NOAA Climate at a Glance — US states & climate regions (tavg, pcp). Anomalies are vs the 1961–1990 baseline (temperature) or 1991–2020 (rainfall). See methodology.
Temperature – Average
US Northern Rockies & Plains – Monthly Temperature – All Years
Each line represents one year of monthly temperature.
NOAA Climate at a Glance — regional tavg / pcp (monthly absolutes).
Shifting Seasons
Warm / cold seasonsHow spring and autumn have shifted in US Northern Rockies & Plains. Spring is defined as the date monthly temperatures first rise above the long-term annual mean (5.7°C, from 1950–1979); autumn is the date they fall back below it. Temperature swings 30.0°C peak-to-peak across the year - a classic four-seasons rhythm.
Baseline vs recent monthly temperature climatology. Biggest warming: Jan (+3.3°C).
NOAA Climate at a Glance — regional tavg.
Rainfall & Rain Days – Totals
Member States (5)
Hottest & Coolest in US Northern Rockies & Plains this Month
1-month anomaly vs 1961–1990 across the 5 members we cover. Click a name to open its profile.
Warmest
- 1.🇺🇸Wyoming+6.69°C
- 2.🇺🇸Nebraska+5.87°C
- 3.🇺🇸South Dakota+4.84°C
- 4.🇺🇸Montana+4.15°C
- 5.🇺🇸North Dakota+2.52°C
Coolest
- 1.🇺🇸North Dakota+2.52°C
- 2.🇺🇸Montana+4.15°C
- 3.🇺🇸South Dakota+4.84°C
- 4.🇺🇸Nebraska+5.87°C
- 5.🇺🇸Wyoming+6.69°C
Data Sources
- NOAA Climate at a Glance — Regional time series · NOAA code 105 · Open at NOAA
- Two-baseline model — comparison baseline 1961–1990; native baseline 1901–2000. Methodology →