Lannon Lake Weather Forecast

Today 14 Oct
- 42
- 56
Cloudy
Thu 15 Oct
- 37
- 59
Chance Rain Showers
Fri 16 Oct
- 32
- 51
Mostly Sunny
Sat 17 Oct
- 43
- 65
Mostly Sunny
Sun 18 Oct
- 40
- 70
Mostly Sunny
Mon 19 Oct
- 42
- 66
Mostly Sunny

Today 14 Oct
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Thu 15 Oct
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Fri 16 Oct
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 7 am
7. 10 am
8. 1 pm
9. 4 pm
10. 7 pm
Sat 17 Oct
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Sun 18 Oct
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Mon 19 Oct
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm
Tue 20 Oct
1. 1 am
2. 7 am
3. 1 pm
4. 7 pm

Today 14 Oct Big Stone

Cloudy. Near steady temperature in the upper 40s. Northeast Winds around 5 Mph.

Tonight 14 Oct Big Stone

Cloudy. Lows in the lower 40s. Southeast Winds around 5 Mph.

Lannon Lake Temperature Statistics

October Temperature

Wheaton Municipal Airport (16.8 miles)

Lowest 22 January, 2026
-18.4 °F
Average 2026
50.5 °F
Highest 25 May, 2026
93.2 °F
Lowest 16 September, 2026
41 °F
Average September
64.5 °F
Highest 3 September, 2026
89.6 °F
Lowest 2 October, 2026
33.8 °F
Average October
57.5 °F
Highest 10 October, 2026
93.2 °F

Climate (2021–2026)

Wheaton Municipal Airport (16.8 miles)

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Average Low 2021–2026
34.8 °F
Average 2021–2026
44.6 °F
Average High 2021–2026
54.4 °F

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Lannon Lake Weather Forecast

Today 14 Oct Big Stone

Tonight 14 Oct Big Stone

Thu 15 Oct Big Stone

Thu 15 Oct Big Stone

Fri 16 Oct Big Stone

Fri 16 Oct Big Stone

Sat 17 Oct Big Stone

Sat 17 Oct Big Stone

Sun 18 Oct Big Stone

Sun 18 Oct Big Stone

Mon 19 Oct Big Stone

Mon 19 Oct Big Stone

Tue 20 Oct Big Stone

Temperature Forecast NOAA

Temperature Real-Time

Aberdeen Radar

National Satellite

National Synoptic

Lannon Lake Temperature Statistics

October Temperature

Wheaton Municipal Airport (16.8 miles)

Lowest 22 January, 2026

Average 2026

Highest 25 May, 2026

Lowest 16 September, 2026

Average September

Highest 3 September, 2026

Lowest 2 October, 2026

Average October

Highest 10 October, 2026

Climate (2021–2026)

Wheaton Municipal Airport (16.8 miles)

Average Low 2021–2026

Average 2021–2026

Average High 2021–2026