Churchill Weather Forecast
- 73
- 95
Slight Chance Thunderstorms
- 66
- 90
Mostly Sunny
- 64
- 83
Partly Sunny
- 64
- 83
Partly Sunny
- 73
- 90
Slight Chance Thunderstorms
- 67
- 91
Chance Rain Showers
- 61
- 83
Partly Sunny
Today 4 Sep Bureau
Sunny, hot. Near steady temperature in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 105.
Tonight 4 Sep Bureau
Partly cloudy in the Evening, then mostly clear with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 101 early in the evening.
Churchill Temperature Statistics
September Temperature
Illinois Valley Regional Airport (2.5 miles)
Lowest 1 September, 2026
71.6 °FAverage September
82.9 °FHighest 1 September, 2026
93.2 °F
Climate (2021–2026)
Illinois Valley Regional Airport (2.5 miles)
Average Low 2021–2026
43.3 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
62.6 °F