LYONS, CO 80540 Weather Forecast & Current Conditions

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FT. COLLINS, CO
Current Weather

9:56 AM MDT MAY 26, 2026
Clear
70°F
Feels Like: 70°F
Dewpoint: 48°F
Rel. Hum.: 45%
Visibility: 9 miles
Wind: WNW at 5 mph
Pressure: 29.91 inches
Last 72 hours

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LYONS, CO 80540
Weather Forecast

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Snow Depth pages
TODAY
Mostly cloudy. Slight chance of showers late in the morning. Chance of thunderstorms in the afternoon. Highs 64 to 74. Southeast winds 10 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 40 percent.
TONIGHT
Mostly cloudy. Chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows 42 to 52. Chance of rain 40 percent.
WEDNESDAY
Chance of showers in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs 60 to 70. Southeast winds 10 to 15 mph in the afternoon. Chance of rain 70 percent.
WEDNESDAY NIGHT
Mostly cloudy with a 50 percent chance of thunderstorms. Lows 43 to 53.
THURSDAY
Mostly cloudy with a 50 percent chance of thunderstorms. Highs 66 to 74.
THURSDAY NIGHT
Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows 44 to 54. Chance of rain 40 percent.
FRIDAY
Mostly cloudy with a 50 percent chance of thunderstorms. Highs 69 to 77.
FRIDAY NIGHT
Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows 42 to 52. Chance of rain 50 percent.
SATURDAY
Mostly cloudy with a 50 percent chance of thunderstorms. Highs 62 to 72.
SATURDAY NIGHT
Partly cloudy with a chance of showers and slight chance of thunderstorms. Lows 41 to 51. Chance of rain 30 percent.
SUNDAY
Showers likely and chance of thunderstorms. Highs 63 to 71. Chance of rain 70 percent.
SUNDAY NIGHT
Mostly cloudy with a 40 percent chance of thunderstorms. Lows 42 to 52.
MONDAY
Showers likely and chance of thunderstorms. Highs 60 to 68. Chance of rain 70 percent.

Visible Weather Satellite
LYONS, CO 80540
Infrared Weather Satellite
LYONS, CO 80540
NEXRAD Weather Radar
LYONS, CO 80540

FT. COLLINS, CO 3 hourly weather forecast

weather forecast created  7:00 PM CDT  5/25/2026
Tuesday
26 MAY 2026
LYONS, CO 80540 weather forecast Day 1, 0 hours 12 AM 66° 66° Mostly Cloudy 1%

0% Thunder
( 1% severe)
ENE   5 42% 42°
Low 57° LYONS, CO 80540 weather forecast Day 1, 3 hours 3 AM 60° 61° Mostly Cloudy N   3 53% 43°
High 83° LYONS, CO 80540 weather forecast Day 1, 6 hours 6 AM 58° 58° Partly Cloudy 4%

0% Thunder
( 7% severe)
NA   5 60% 44°

Mostly Cloudy

Chance of Rain

LYONS, CO 80540 weather forecast Day 1, 9 hours 9 AM 68° 68° Mostly Cloudy ENE   5 45% 46°
LYONS, CO 80540 weather forecast Day 1, 12 hours 12 PM 79° 78° Mostly Cloudy 31%
RAIN
.01–.1 in
0% Thunder
( 43% severe)
SSE   13 27% 42°
LYONS, CO 80540 weather forecast Day 1, 15 hours 3 PM 79° 78° Mostly Cloudy SSE   24 28% 43°
LYONS, CO 80540 weather forecast Day 1, 18 hours 6 PM 75° 75° Mostly Cloudy 43%
RAIN
.01–.1 in
0% Thunder
( 38% severe)
S   20 33% 44°
LYONS, CO 80540 weather forecast Day 1, 21 hours 9 PM 70° 70° Mostly Cloudy SSE   13 39% 44°
Wednesday
27 MAY 2026
LYONS, CO 80540 weather forecast Day 2, 0 hours 12 AM 65° 65° Partly Cloudy 5%

0% Thunder
( 7% severe)
SE   7 50% 46°
Low 55° LYONS, CO 80540 weather forecast Day 2, 3 hours 3 AM 61° 61° Mostly Cloudy NE   5 60% 47°
High 76° LYONS, CO 80540 weather forecast Day 2, 6 hours 6 AM 58° 58° Mostly Cloudy 22%
RAIN
<.01 in
0% Thunder
( 10% severe)
N   3 75% 50°

Mostly Cloudy

Rain Likely

LYONS, CO 80540 weather forecast Day 2, 9 hours 9 AM 66° 66° Mostly Cloudy ENE   7 56% 50°
LYONS, CO 80540 weather forecast Day 2, 12 hours 12 PM 71° 71° Mostly Cloudy 78%
RAIN
***
0% Thunder
( 51% severe)
SE   10 42% 47°
LYONS, CO 80540 weather forecast Day 2, 15 hours 3 PM 71° 71° Mostly Cloudy ESE   12 46% 49°
LYONS, CO 80540 weather forecast Day 2, 18 hours 6 PM 69° 69° Mostly Cloudy 59%
RAIN
***
0% Thunder
( 27% severe)
SSE   10 49% 49°
LYONS, CO 80540 weather forecast Day 2, 21 hours 9 PM 66° 66° Mostly Cloudy SE   7 52% 48°

FT. COLLINS, CO extended weather forecast

Thursday
28 MAY 2026
Friday
29 MAY 2026
Saturday
30 MAY 2026
Sunday
31 MAY 2026
Monday
1 JUN 2026
Low 51° Low 52° Low 52° Low 50° Low 54°
High 75° High 81° High 78° High 80° High 80°
LYONS, CO 80540 weather forecast Day 3 LYONS, CO 80540 weather forecast Day 4 LYONS, CO 80540 weather forecast Day 5 LYONS, CO 80540 weather forecast Day 6 LYONS, CO 80540 weather forecast Day 7
Overcast
43% Rain
Mostly Cloudy
47% Rain
Partly Cloudy
50% Rain
Overcast
46% Rain
Overcast
62% Rain
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