Grantfork Weather Forecast
- 56
- 78
Mostly Sunny
- 56
- 77
Mostly Sunny
- 61
- 79
Rain Showers
- 55
- 75
Rain Showers Likely
- 51
- 72
Slight Chance Thunderstorms
- 57
- 73
Rain Showers Likely
Today 21 Apr Madison
Sunny. Not as cool with Highs around 80. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 21 Apr Madison
Mostly clear. Lows in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.
Grantfork Temperature Statistics
April Temperature
St. Louis Regional Airport (19.9 miles)
Lowest 5 April, 2026
38.8 °FAverage April
60 °FHighest 3 April, 2026
82.4 °F
Climate (2021–Present)
St. Louis Regional Airport (19.9 miles)
Average Low 2021–2026
46.4 °FAverage 2021–2026
54.4 °FAverage High 2021–2026
66.6 °F