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Day 1 Outlook • April 19, 2026
Day 2 Outlook • April 20, 2026
Day 3 Outlook • April 21, 2026
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dBZ 5
75

Hazardous Weather Conditions

  • No active alerts for LOUISVILLE, COLORADO

Current Conditions: LOUISVILLE, COLORADO

BOULDER MUNI (KBDU)

Clear

73.4 F
Humidity:10%
Wind Speed: G 27.7 mph
Barometer:30.05 in
Dewpoint:14.0 F
Visibility:10.00 mi
Precip:--
Heat Index:70.9 F
Wind Chill:NA
Apr 19 2026, 03:55 PM MDT
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5 Day Forecast for LOUISVILLE, COLORADO (80027)

Sunday

High 71 °F
Chance of Snow
Sunday
Night
Low 42 °F
Forecast Missing
Monday

High 80 °F
Forecast Missing
Monday
Night
Low 50 °F
Forecast Missing
Tuesday

High 80 °F
Forecast Missing
Tuesday
Night
Low 53 °F
Forecast Missing
Wednesday

High 80 °F
Forecast Missing
Wednesday
Night
Low 46 °F
Forecast Missing
Thursday

High 66 °F
Forecast Missing

Detailed Forecast for LOUISVILLE, COLORADO (80027)

Sunday
Chance of Snow. High near 71°F. Wind around 7 mph, with gusts as high as 14 mph.
Sunday Night
Rain/Snow Mix Likely. Low around 42°F. Wind 5 to 6 mph, with gusts as high as 10 mph.
Monday
Forecast Missing. High near 80°F. Wind 2 to 7 mph, with gusts as high as 14 mph.
Monday Night
Forecast Missing. Low around 50°F. Wind 6 to 7 mph, with gusts as high as 12 mph.
Tuesday
Forecast Missing. High near 80°F. Wind 3 to 8 mph, with gusts as high as 15 mph.
Tuesday Night
Forecast Missing. Low around 53°F. Wind 7 to 9 mph, with gusts as high as 17 mph.
Wednesday
Forecast Missing. High near 80°F. Wind 7 to 25 mph, with gusts as high as 43 mph.
Wednesday Night
Forecast Missing. Low around 46°F. Wind around 15 mph, with gusts as high as 32 mph.
Thursday
Forecast Missing. High near 66°F. Wind 20 to 22 mph, with gusts as high as 37 mph.
Thursday Night
Forecast Missing. Low around 37°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Friday
Forecast Missing. High near 57°F. Wind 9 to 10 mph, with gusts as high as 20 mph.
Friday Night
Forecast Missing. Low around 33°F. Wind 3 to 5 mph, with gusts as high as 12 mph.
Saturday
Forecast Missing. High near 53°F. Wind 8 to 10 mph, with gusts as high as 17 mph.
Saturday Night
Forecast Missing. Low around 35°F. Wind 2 to 5 mph, with gusts as high as 10 mph.
CO Radar
Current Radar • CO
Day 1 Outlook • April 19, 2026

Observation History for LOUISVILLE, COLORADO

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
03:55 PM MDT G 27.7 10.00 Clear -- 73.4 14.0 10% NA 70.9 30.05 1017.6
03:35 PM MDT G 24.2 10.00 Clear -- 73.4 14.0 10% NA 70.9 30.06 1018.0
03:15 PM MDT G 23.0 10.00 Clear -- 73.4 14.0 10% NA 70.9 30.06 1018.0
02:55 PM MDT G 19.7 10.00 Clear -- 73.4 12.2 9% NA 70.9 30.07 1018.3
02:36 PM MDT 10.00 Clear -- 73.4 12.2 9% NA 70.9 30.07 1018.3
02:15 PM MDT G 23.0 10.00 Clear -- 73.4 12.2 9% NA 70.9 30.08 1018.6
01:55 PM MDT 9.2 G 18.3 10.00 Clear -- 71.6 12.2 10% NA 68.9 30.08 1018.6
01:35 PM MDT S 4.7 10.00 Clear -- 69.8 10.4 10% NA NA 30.09 1019.0
01:15 PM MDT SE 10.3 10.00 Clear -- 69.8 10.4 10% NA NA 30.10 1019.3
12:55 PM MDT 3.4 10.00 Clear -- 68.0 10.4 10% NA NA 30.12 1019.7
12:35 PM MDT 8.1 G 16.1 10.00 Clear -- 68.0 12.2 11% NA NA 30.12 1020.0
11:55 AM MDT E 5.8 10.00 Clear -- 64.4 10.4 12% NA NA 30.14 1020.7
11:35 AM MDT NE 4.7 10.00 Clear -- 64.4 10.4 12% NA NA 30.15 1021.0
11:15 AM MDT E 8.1 10.00 Clear -- 64.4 10.4 12% NA NA 30.16 1021.3
10:55 AM MDT 4.7 10.00 Clear -- 62.6 12.2 14% NA NA 30.16 1021.3
10:35 AM MDT 4.7 10.00 Clear -- 59.0 14.0 17% NA NA 30.17 1021.7
10:15 AM MDT 4.7 10.00 Clear -- 59.0 12.2 16% NA NA 30.17 1021.7
09:55 AM MDT E 3.4 10.00 Clear -- 55.4 12.2 18% NA NA 30.17 1021.7
09:35 AM MDT E 3.4 10.00 Clear -- 55.4 14.0 19% NA NA 30.18 1022.0
09:15 AM MDT 0.0 10.00 Clear -- 53.6 15.8 22% NA NA 30.18 1022.0
08:35 AM MDT 0.0 10.00 Clear -- NULL 21.2 % NA NA 30.18 1022.0
08:15 AM MDT 0.0 10.00 Clear -- NULL 23.0 % NA NA 30.18 1022.0
07:55 AM MDT 0.0 10.00 Clear -- NULL 19.4 % NA NA 30.18 1022.0
07:15 AM MDT SW 4.7 10.00 NULL -- 39.2 19.4 45% 35.8 NA 30.18 1022.0

Regional Weather Observation

BOULDER MUNI (KBDU)

Clear
73.4 F

ERIE MUNI (KEIK)

Clear
72.5 F

LONGMONT/VBRAND (KLMO)

Clear
72.0 F

FT COLLINS/LOVEL (KFNL)

Clear
73.4 F

GRANBY/GRAND CO (KGNB)

Clear
59.0 F

BROOMFIELD/JEFFC (KBJC)

Clear
71.6 F
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