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.
| Temperature and Humidity | ||
| Highest Temperature | 113.7 °F | at 4:46 PM on 17 July 2022 |
| Lowest Temperature | -25.1 °F | at 7:16 AM on 01 January 2022 |
| Highest Dew Point | 79.2 °F | at 3:18 PM on 04 July 2022 |
| Lowest Dew Point | -37.4 °F | at 6:35 AM on 23 February 2022 |
| Highest Apparent Temperature | 111.8 °F | at 4:48 PM on 17 July 2022 |
| Lowest Apparent Temperature | -37.2 °F | at 2:40 PM on 21 December 2022 |
| Lowest Wind Chill Temperature | -45.3 °F | at 6:52 AM on 22 December 2022 |
| 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 | -8.0 °F | at 12:00 AM on 10 February 2021 |
| 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) | 26.34 in | at 6:04 PM on 23 December 2021 |
| Highest Pressure (sl) | 30.91 in | at 6:19 AM on 04 September 2019 |
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Page updated 9/30/2023 8:00:00 AM
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