Forsyth, Montana Johnson Station weather

 Latitude N 46° 17' 49"    Longitude W 106° 41' 51"    Elevation 2870 ft

Records began on 17 July 2019. Here are the extremes recorded since then.

Records Since 17 July 2019
Temperature and Humidity
Highest Temperature 113.7 °F at 4:46 PM on 17 July 2022
Lowest Temperature -34.2 °F at 5:54 AM on 14 January 2024
Highest Dew Point 79.2 °F at 3:18 PM on 04 July 2022
Lowest Dew Point -40.0 °F at 6:00 AM on 14 January 2024
Highest Apparent Temperature 111.8 °F at 4:48 PM on 17 July 2022
Lowest Apparent Temperature -44.1 °F at 3:15 AM on 13 January 2024
Lowest Wind Chill Temperature -55.0 °F at 3:22 AM on 13 January 2024
Highest Heat Index 110.4 °F at 5:20 PM on 13 July 2022
Highest Minimum 75.6 °F at 11:54 PM on 20 July 2021
Lowest Maximum -12.1 °F at 3:05 PM on 13 January 2024
Highest Humidity 100 % at 6:43 AM on 08 September 2019
Lowest Humidity 2 % at 3:01 PM on 18 September 2021
Highest Daily Range 107.1 °F on 13 July 2022
Lowest Daily Range 0.0 °F on 02 August 2019
Rainfall
Highest Rain Rate 39.33 in/hr at 3:09 PM on 18 April 2020
Highest Hourly Rainfall 0.87 in at 1:18 PM on 22 September 2023
Highest Daily Rainfall 1.87 in on 22 September 2023
Highest Monthly Rainfall 4.97 in September 2019
Longest Dry Period 50 days to 27 December 2022
Longest Wet Period 5 days to 07 June 2022
Wind
Highest Wind Gust 71.8 mph at 9:59 PM on 03 June 2022
Highest Wind Speed Average 65.6 mph at 6:14 PM on 20 May 2020
Highest Daily Wind Run 595.3 miles on 21 May 2022
Pressure
Lowest Pressure (sl) 21.15 in at 9:13 PM on 30 January 2024
Highest Pressure (sl) 30.91 in at 6:19 AM on 04 September 2019
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